Inventors list |
Assignees list |
Classification tree browser |
Top 100 Inventors |
Top 100 Assignees |
Dasgupta, US
Arindam Dasgupta, West Hartford, CT US
| Patent application number | Description | Published |
|---|---|---|
| 20090007882 | Compound cycle rotary engine - A compound cycle engine system has a rotary engine, which rotary engine generates exhaust gas. The system further has a compressor for increasing the pressure of inlet air to be supplied to the engine to a pressure in the range of from 3.0 to 5.0 atmospheres and an intercooler for providing the inlet air to the engine at a temperature in the range of from 150 to 250 degrees Fahrenheit. The system further has one or more turbines for extracting energy from the exhaust gas. The Miller Cycle is implemented in the rotary engine, enabling the compression ratio to be lower than the expansion ratio, allowing the overall cycle to be optimized for lowest weight and specific fuel consumption. | 01-08-2009 |
| 20100242736 | PRESSURE-BASED DISSOLVED GAS REMOVAL SYSTEM - A fuel gas removal system includes a venturi for reducing a pressure of the fuel, a bubble separator containing media to assist in the formation of gas bubbles within the fuel to separate the gas bubbles from the fuel, and a port to remove gas bubbles created by the reduction of pressure of the fuel and the bubble separator. | 09-30-2010 |
Ashish K. Dasgupta, Troy, MI US
| Patent application number | Description | Published |
|---|---|---|
| 20080210674 | OPTICAL SENSOR FOR QUALITY MONITORING OF A WELDING PROCESS - Disclosed is the design and working principle of a welding monitoring system that can monitor the spectra of zinc and iron in the plasma generated during a welding process involving zinc-coated steel. The monitoring system is capable of monitoring multiple parameters, including spectral line intensity, electron temperature, and ratio of zinc and iron composition in the plasma. The results can then be used individually or in combination to predict resulting weld quality and generate appropriate feedback control signals. | 09-04-2008 |
Ashish K. Dasgupta, Ann Arbor, MI US
| Patent application number | Description | Published |
|---|---|---|
| 20080302768 | Zero-Gap Laser Welding - A method for laser welding a pair of overlapping metal members together and a weld joint produced by the method. At least one of the metal members has a protective metal coating. The method includes applying a thin layer of an alloying agent on at least one of the metal members between the metal members, melting the protective metal coating and the alloying agent to form an alloy that is disposed between the overlapping members with zero gap, welding the overlapping metal members together to form a weld, and controlling the amount of the alloying agent such that the extended solid solubility of the alloying agent in the weld is not exceeded. | 12-11-2008 |
Biplab Dasgupta, St. Louis, MO US
| Patent application number | Description | Published |
|---|---|---|
| 20100047177 | METHODS AND COMPOSITIONS FOR TREATING NEUROPATHIES - Methods of treating or preventing axonal degradation in neuropathic diseases and neurological disorders in mammals are disclosed. The methods can comprise administering to the mammal an effective amount of an agent that acts at least in part by increasing sirtuinAMPK activity, LKB 1 activity and/or CaMKKβ activity in diseased and/or injured neurons. The methods can also comprise administering to the mammal an effective amount of an agent that acts by increasing NAD activity in diseased and/or injured neurons, alone or in combination with agents that act by other mechanisms. Also disclosed are methods of screening agents for treating a neuropathies and recombinant vectors for treating or preventing such neuropathies. | 02-25-2010 |
| 20100221748 | AMPK modulation as a method of regulating stem cell and cancer stem cell proliferation, self-renewal and differentiation - Methods are disclosed for decreasing stem cell proliferation, including cancer stem cell proliferation. These methods comprise administering to stem cells inhibitors of AMP activated protein kinase (AMPK). Methods for promoting stem cell growth by increasing stem cell proliferation, self-renewal and/or differentiation are also disclosed. These methods comprise administering AMPK activators to stem cells. Methods of achieving selective differentiation of stem cells are also disclosed. These methods comprise administering small molecules to stem cells that modulate AMPK activity. Applications of these methods are also disclosed, such as methods of increasing numbers of neuronal progenitor cells. These methods can be used therapeutically, such as for repair of spinal cord injuries, or for stimulating neurogenesis in the hippocampus, and other cell-based therapies. The methods can also be used for screening of compounds that can be activators or inhibitors of AMPK activity. | 09-02-2010 |
Bivash Ranjan Dasgupta, Hamden, CT US
| Patent application number | Description | Published |
|---|---|---|
| 20090155321 | COMPOSITIONS WITH ENCAPSULATED COLORING AGENTS AND METHOD TO IMPART A HEALTHY SKIN APPEARANCE - A cosmetic composition and method of imparting a healthy appearance to skin is provided which includes using a composition formed with about 0.1 to about 20% by weight of the composition of beads, from about 1 to about 80% by weight of the beads of a first coloring agent incorporated within a matrix of the beads, and a cosmetically acceptable carrier, the composition having a hue less than 25°, the beads being coated and having an exterior color other than that of the first coloring agent. | 06-18-2009 |
| 20090155373 | COSMETIC COMPOSITIONS AND METHOD WHICH IMPART A HEALTHY APPEARANCE TO SKIN - A cosmetic product and method of imparting a healthy appearance to skin is provided which includes using a composition formed with about 0.1 to about 20% by weight of the composition of beads, from about 1 to about 80% by weight of the beads of a coloring agent incorporated within a matrix of the beads, and a cosmetically acceptable carrier, the composition being delivered from a package with instructions being printed on or associated with the package indicating topical use on skin to impart a healthy appearance, and wherein the skin with the applied composition has a reflectance in the range from 510 to 600 nm, and reflectance amplitude ratios at wavelength 510/540 nm ranging from 1.10 to 1.20 and at wavelength 600/580 nm ranging from 1.35 to 1.65. | 06-18-2009 |
Dipankar Dasgupta, Germantown, TN US
| Patent application number | Description | Published |
|---|---|---|
| 20090019289 | NEGATIVE AUTHENTICATION SYSTEM FOR A NETWORKED COMPUTER SYSTEM - The disclosed invention is a method for screening access to a computer system using a negative authentication system. Input login requests are compared against a set of detectors comprising anti-passwords and only allowed further access if they do not match any of the anti-passwords. A method of generating a set of detectors comprising anti-passwords is also disclosed. | 01-15-2009 |
Neil Dasgupta, San Francisco, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20110269298 | Irradiation assisted nucleation of quantum confinements by atomic layer deposition - A method of fabricating quantum confinements is provided. The method includes depositing, using a deposition apparatus, a material layer on a substrate, where the depositing includes irradiating the layer, before a cycle, during a cycle, and/or after a cycle of the deposition to alter nucleation of quantum confinements in the material layer to control a size and/or a shape of the quantum confinements. The quantum confinements can include quantum wells, nanowires, or quantum dots. The irradiation can be in-situ or ex-situ with respect to the deposition apparatus. The irradiation can include irradiation by photons, electrons, or ions. The deposition is can include atomic layer deposition, chemical vapor deposition, MOCVD, molecular beam epitaxy, evaporation, sputtering, or pulsed-laser deposition. | 11-03-2011 |
Neil Dasgupta, Menlo Park, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20090238990 | SAM oxidative removal for controlled nanofabrication - Improved tip-patterned atomic layer deposition (ALD) is provided by using a scanning probe microscope (SPM) tip to define an oxide pattern in a self-assembled monolayer deposited on a substrate. The oxide pattern can directly define the ALD deposition pattern. Alternatively, the oxide pattern can be removed (e.g., with a chemical etch), and the resulting exposed substrate pattern can be used to define the ALD deposition pattern. | 09-24-2009 |
| 20090241232 | Prototyping station for atomic force microscope-assisted deposition of nanostructures - A localized nanostructure growth apparatus that has a partitioned chamber is provided, where a first partition includes a scanning probe microscope (SPM) and a second partition includes an atomic layer deposition (ALD) chamber, where the first partition is hermetically isolated from the second partition, and at least one SPM probe tip of the SPM is disposed proximal to a sample in the ALD chamber. According to the invention, the hermetic isolation between the chambers prevents precursor vapor from damaging critical microscope components and ensuring that contaminants in the ALD chamber can be minimized. | 09-24-2009 |
| 20090255580 | Quantum dot solar cell with quantum dot bandgap gradients - Efficient photovoltaic devices with quantum dots are provided. Quantum dots have numerous desirable properties that can be used in solar cells, including an easily selected bandgap and Fermi level. In particular, the size and composition of a quantum dot can determine its bandgap and Fermi level. By precise deposition of quantum dots in the active layer of a solar cell, bandgap gradients can be present for efficient sunlight absorption, exciton dissociation, and charge transport. Mismatching Fermi levels are also present between adjacent quantum dots, allowing for built-in electric fields to form and aid in charge transport and the prevention of exciton recombination. | 10-15-2009 |
| 20090258157 | Field-aided preferential deposition of precursors - Lateral nano-scale pattern control for atomic layer deposition can be provided by using a scanning tunneling microscope (SPM) tip to locally influence chemical reaction rates. An electric field and/or charge transfer can significantly reduce the potential energy barrier that affects reaction kinetics, and thereby significantly enhance reaction rates. By operating the ALD growth system in a regime where reaction rates without an electric field and/or charge transfer are negligible, deposition can be precisely controlled to occur only at locations defined by the SPM tip. Alternatively, the SPM tip can be used to locally inhibit ALD growth. | 10-15-2009 |
| 20100089866 | Method for producing tapered metallic nanowire tips on atomic force microscope cantilevers - A method of making nanowire probes is provided. The method includes providing a template having a nanoporous structure, providing a probe tip that is disposed on top of the template, and growing nanowires on the probe tip, where the nanowires are grown from the probe tip along the nanopores, and the nanowires conform to the shape of the nanopores. | 04-15-2010 |
| 20100240167 | Quantum confinement solar cell fabricated by atomic layer deposition - The current invention provides a method of fabricating quantum confinement (QC) in a solar cell that includes using atomic layer deposition (ALD) for providing at least one QC structure embedded into an intrinsic region of a p-i-n diode in the solar cell, where optical and electrical properties of the confinement structure are adjusted according to at least one dimension of the confinement structure. The QC structures can include quantum wells, quantum wires, quantum tubes, and quantum dots. | 09-23-2010 |
Neil Paul Dasgupta, Menlo Park, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20090065048 | Hybrid Photolytic Fuel Cell - An apparatus for providing electrical energy by utilizing energy from absorbed light to dissociate water and thereby provide free electrons is disclosed. In some embodiments, the apparatus comprises a fuel cell having a photolytic front end, a proton-conducting layer, and a catalytic cathode. The photolytic front end uses energy from light to dissociate water molecules into protons and electrons, the proton-conducting layer conducts protons to the catalytic cathode and forces the electrons to travel through an external electrical circuit, and the catalytic cathode recombines the protons and electrons with oxygen to reform water molecules. | 03-12-2009 |
Ramanuj Dasgupta, New York, NY US
| Patent application number | Description | Published |
|---|---|---|
| 20110251103 | TARGETED CHEMICAL HIGH-THROUGHPUT SCREENING METHOD - A novel method which integrates a “sensitized” chemical genetic high-throughput screen (HTS) with RNA interference (RNAi) screening technology is described herein. The present inventors used this method to identify specific small molecule inhibitors and activators of the Wnt pathway. More particularly, the screening method of the present invention may be used to identify small molecule inhibitors and activators that specifically target the activity of a stabilized pool of β-catenin. A number of compounds identified using the instant method, are shown herein to be small molecule inhibitors of the Wnt pathway that specifically target the activity of the stabilized pool of β-cat. The inhibitors identified by the present method may be prepared as pharmaceutical compositions, and may be used for the prevention and treatment of a variety of conditions in mammals including humans, including by way of non-limiting example, cancer, and others. | 10-13-2011 |
Ranjan Dasgupta, Naperville, IL US
| Patent application number | Description | Published |
|---|---|---|
| 20090055611 | REORGANIZING A WAGERING GAME MACHINE'S NVRAM - This document discusses, among other things, systems and methods for managing the contents of NVRAM in a wagering game machine. A method copies a first data of an NVRAM module to a storage device, wherein the NVRAM module is associated with a wagering game machine and then copies a second data to the NVRAM module. | 02-26-2009 |
| 20100048297 | ELECTRONIC GAMING MACHINE SECURITY FOR SOFTWARE STORED IN NONVOLATILE MEDIA - An illustrative method provides security of software resident on electronic gaming machines (EGMs) that permit wagering on games. A determination is made if all software files stored on a partition of a nonvolatile storage device resident in an EGM are authenticated image type files prior to any attempt to execute any of the software files. Further processing by the EGM of all of the software files is terminated upon the determination that one of the software files is not an authenticated image type file. | 02-25-2010 |
| 20100130287 | MANAGING SECURITY FOR NETWORK-BASED GAMING - This document discusses, among other things, systems and methods for managing security for network-based gaming. A method and system download and install an image of wagering game content on a wagering game machine, wherein the wagering game machine is capable of receiving a wager input from a player. The image is validated and may be transformed to a virtual storage device, such that it appears to be a physical storage device. The files may be accessed and validated in a similar manner as if they were stored on a physical storage device. In some cases, the same image format for content in an image is the same as if the content was stored on a physical storage device. | 05-27-2010 |
| 20100137058 | WAGERING GAME MACHINE PROVIDING A WRITE ONCE RUN ANYWHERE ENVIRONMENT - Systems and methods include determining a hardware configuration in accordance with the detection of the presence or absence of hardware modules on a wagering game machine. Various services are selected base on the hardware configuration, where the service selected provides an interface to a wagering game. The services provide an abstraction of various functions provided by various hardware platforms upon which the wagering game may execute, and take into account differences in the platforms. | 06-03-2010 |
| 20100248819 | NVRAM MANAGEMENT IN A WAGERING GAME MACHINE - Systems and methods are used to manage the contents of NVRAM in a wagering game machine. NVRAM may be pre-allocated for various purposes prior to loading a first wagering game on a the wagering game machine. A second wagering may be loaded on the wagering game machine. The second wagering game reuses the pre-allocated NVRAM portions for the same purposes as the first wagering game. | 09-30-2010 |
| 20100298043 | WAGERING GAME MACHINE UPGRADE AND ROLLBACK - Systems and methods provide for the selective backup and rollback of software, firmware and data components of a wagering game machine. | 11-25-2010 |
Sajib Dasgupta, College Park, MD US
| Patent application number | Description | Published |
|---|---|---|
| 20100146006 | Information Extraction Across Multiple Expertise-Specific Subject Areas - Techniques are disclosed for bridging terminology differences between at least two subject areas. By way of example, a computer-implemented method includes executing the following steps on a computer. A first affinity measure is computed between a first term in a first corpus, corresponding to a first subject area, and a bridge term. A second affinity measure is computed between a second term in a second corpus, corresponding to a second subject area, and the bridge term. A third affinity measure is computed between the first term and the second term based on the first affinity measure and the second affinity measure. The bridge term is a term that appears in both the first corpus and the second corpus. | 06-10-2010 |
Samhita Dasgupta, Niskayuna, NY US
| Patent application number | Description | Published |
|---|---|---|
| 20090003991 | SYSTEM AND METHOD FOR TURBINE ENGINE CLEARANCE CONTROL WITH RUB DETECTION - A method of detecting rubs during operation of a turbomachine comprising at least one rotating object having a tip and a shelf is provided. The method includes generating signals representative of a sensed parameter and processing the signals to generate height versus time data for the tip. The height of the tip corresponds to the distance between the tip and the shelf. The method further includes monitoring the height versus time data, in order to determine whether a change in the height data exceeds a threshold value, and detecting a rub of the rotating object(s) on a second object, when the change in the height data exceeds the threshold value. A rub detection system for a turbomachine and a turbine engine system with rub detection are also provided. | 01-01-2009 |
| 20090064522 | MULTI SENSOR CLEARANCE PROBE - A multi sensor clearance probe with at least longitudinally and transversely spaced apart first and second sensors operable to measure first and second distances respectively between the sensors and a longitudinally spaced apart rotating rotor. The sensors being operable to measure blade tip clearances between radially outer turbine blade tips and an annular stator shroud circumscribing the blade tips. The blade tips may be squealer tips and the sensors operable to measure the distances between the sensors and tops of squealer tip walls and outwardly facing walls within cavities of the squealer tips. The probe may be operably connected to a controller for sending signals to the controller indicating the first and second distances for controlling an air valve used for active clearance control. Two or more of the probe may be used to determine rotor centerline offset. | 03-12-2009 |
| 20100077830 | ELECTRONIC SELF-CALIBRATION FOR SENSOR CLEARANCE - Self-calibration of a multiple channel clearance sensor system, which in one embodiment includes at least one sensor for measuring at least one clearance parameter signal between a stationary object and a rotating object of a rotating machine. The sensor output is processed as a clearance parameter by an offset correction section configured to determine an offset error in the clearance parameter signal which is used by a level shifter. The level shifter is also switchably coupled to the clearance parameter signal wherein the output of the level shifter, which may be amplified and digitally converted, is processed by a signal level analyzer to determine a channel gain signal. | 04-01-2010 |
| 20100142881 | OPTICAL LINK CIRCUIT AND METHOD OF MAKING SAME - A circuit includes a flexible circuit having an optical waveguide embedded therein, a first device attached to the flexible circuit and configured to convert a first electrical signal to an optical signal, the first device positioned to emit the optical signal to an input end of the optical waveguide, and a second device attached to the flexible circuit and configured to convert the optical signal into a second electrical signal, the second device positioned to receive the optical signal from an output end of the optical waveguide. | 06-10-2010 |
| 20100188100 | AUTOMATED SENSOR SPECIFIC CALIBRATION THROUGH SENSOR PARAMETER DOWNLOAD - A sensor system for measuring a clearance parameter between a stationary component and a rotating component of a rotating machine is provided. The system includes a clearance sensor to output a clearance measurement signal. A sensor memory is attached to the sensor for storing a first sensor information. A second sensor information is stored in a electronics interface memory. The first and the second sensor information are read and the clearance sensor is matched with a respective plurality of calibration data by an electronic interface based on the first and the second sensor information. | 07-29-2010 |
| 20100191502 | SYSTEM AND METHOD FOR CLEARANCE ESTIMATION BETWEEN TWO OBJECTS - A processing system for clearance estimation in a rotating machine includes one or more sensors and one or more digital signal processors for calculating the estimated clearance. The processing system may include techniques for obtaining real-time clearance estimates and techniques for obtaining averaged clearance estimates. Aspects of the processing system may also include a method of switching between real-time clearance estimates and averaged clearance estimates depending on the operating conditions of the rotating machine. Other aspects of the processing system include the use of two digital signal processors: a first digital signal processor configured to receive signals from a clearance sensor and perform a first set of high speed processing tasks, and a second digital signal processor configured to receive signals from the first digital signal processor and perform a second set of lower speed processing tasks. | 07-29-2010 |
| 20110128989 | MULTIWAVELENGTH THERMOMETER - A thermal measurement system that includes a light collection device and a detection system in communication with the device. The detection system includes two detection subsystems, wherein one subsystem is configured to detect light from a surface of an object, while the other subsystem is configured to detect light from the surface and a gas. The present invention has been described in terms of specific embodiment(s), and it is recognized that equivalents, alternatives, and modifications, aside from those expressly stated, are possible and within the scope of the appending claims. | 06-02-2011 |
Santanu Dasgupta, St. Louis, MO US
| Patent application number | Description | Published |
|---|---|---|
| 20090293143 | Zea mays ribulose bisphosphate carboxylase activase promoter - The present invention provides gene regulatory element polynucleotide molecules, including a promoter and a leader, identified from the ribulose bisphosphate carboxylase activase (RUA) | 11-26-2009 |
| 20100107283 | Chimeric Regulatory Elements for Gene Expression in Leaf Mesophyll and Bundle Sheath Cells - The present invention provides chimeric regulatory elements constructed from gene regulatory element polynucleotide molecules isolated from the | 04-29-2010 |
Saumitro Dasgupta, Boston, MA US
| Patent application number | Description | Published |
|---|---|---|
| 20110057629 | HARNESSING POWER THROUGH ELECTROMAGNETIC INDUCTION UTILIZING PRINTED COILS - Systems for harnessing power through electromagnetic induction utilizing printed coils are provided. A system can include one or more moveable magnets adjacent to printed coils on a circuit. For example, a system can include one or more magnets that are operative to move alongside a circuit board that includes printed coils. The one or more magnets may move, for example, when a user shakes the system or when the user walks or runs while holding the device. The movement of the one or more magnets may create an electromotive force (e.g., a voltage) across the printed coils, and this force may be used to generate electric power. | 03-10-2011 |
| 20110080348 | ELECTRONIC DEVICES WITH A PRIMARY DISPLAY AND A SELECTIVELY ILLUMINATED SECONDARY DISPLAY - Systems and methods for selectively illuminating a secondary display are provided. An electronic device can include a primary display (e.g., a liquid crystal display (LCD) screen) and a printed segmented electroluminescence (secondary) display. The primary display can be used to convey visual content to a user, and the secondary display can be used to guide a user providing inputs to the device. For example, the secondary display can be selectively illuminated to provide one or more indicators that represent where or how a user can provide inputs to the device. | 04-07-2011 |
Soura Dasgupta, Coralville, IA US
| Patent application number | Description | Published |
|---|---|---|
| 20090196369 | METHOD AND SYSTEM FOR OPTIMAL BITLOADING IN COMMUNICATION AND DATA COMPRESSION SYSTEMS - This invention provides a method and system for determining the number of bits to assign to a frequency range in a signal. The present invention is capable of bit allocation, with B total bits, among a plurality of N frequency ranges in time a time O(N log N), which is independent of the size of B. Embodiments of the present invention have many practical applications, including allocating bits among sub-channels in a multi-carrier communication system, and allocating bits among sub-bands in a signal representing digital multimedia, such as in JPEG or MPEG compressed files. | 08-06-2009 |
Suryasarathi Dasgupta, Boston, MA US
| Patent application number | Description | Published |
|---|---|---|
| 20100197578 | DEMANNOSYLATED RECOMBINANT FACTOR VIII [[VII]] FOR THE TREATMENT OF PATIENTS WITH HAEMOPHILIA A - There is provided in accordance with the practice of this invention a demannosylated Factor VIII, the immunogenicity of which is substantially decreased or abolished in Human. The modified factor VIII is disclosed together with the modified amino acid sequence, changed by at least one substitution. The modified factor VIII is useful for hemophiliacs, either to avoid or prevent the action of inhibitory anti-FVIII antibodies. | 08-05-2010 |
Tridib Dasgupta, East Amherst, NY US
| Patent application number | Description | Published |
|---|---|---|
| 20110275033 | Palladium-Cobalt Based Alloys - A nonmagnetic alloy is provided based on a palladium-cobalt binary system with the addition of gold, has a coefficient of thermal expansion (CTE) of about 13.8 to about 15 and may include one or more of the following additive metals: aluminum, boron, chromium, gallium, lithium, rhenium, ruthenium, silicon, tantalum, titanium, and tungsten. | 11-10-2011 |