Abdulrahman
Abdulrahman Al-Ahdal, London GB
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20130273664 | ISFET SWITCH - There is provided a semiconductor device for detecting a change in ion concentration of a sample and method of using same. The device comprises a plurality of Field Effect Transistors (FETs) coupled to a common floating gate and an ion sensing layer exposed to the sample and coupled to the floating gate. There may be other input voltages coupled to the floating gate. | 10-17-2013 |
Abdulrahman Alas, Bakersfield, CA US
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20120279518 | Toothpick with floss - An oral hygiene device, which is embodied as a toothpick with floss, includes a toothpick body and a floss. The toothpick body has a closed end, an opening end, and a floss cavity formed between the closed end and the opening end, wherein the closed end of the toothpick body forms a tapering end. The floss, having a first end and an opposed second end, is received in the floss cavity of the toothpick body in a hidden manner. The toothpick body is used as a conventional toothpick to effectively remove detritus and plaques from the teeth and is easy to carry. The floss is normally protected within the toothpick body in a hidden manner to keep the floss in a hygiene purpose and is adapted for being pulled out of the floss cavity for flossing. | 11-08-2012 |
20130276814 | Toothpick with floss - An oral hygiene device, which is embodied as a toothpick with floss, includes a toothpick body and a floss. The toothpick body has a closed end, an opening end, and a floss cavity formed between the closed end and the opening end, wherein the closed end of the toothpick body forms a tapering end. The floss, having a first end and an opposed second end, is received in the floss cavity of the toothpick body in a hidden manner. The toothpick body is used as a conventional toothpick to effectively remove detritus and plaques from the teeth and is easy to carry. The floss is normally protected within the toothpick body in a hidden manner to keep the floss in a hygiene purpose and is adapted for being pulled out of the floss cavity for flossing. | 10-24-2013 |
Abdulrahman Albadri, Riyadh SA
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20160087577 | FLEXIBLE SOLAR CELLS COMPRISING THICK AND THIN ABSORBER REGIONS - A solar cell includes a p-type semiconductor substrate including a plurality of thin absorption regions and a plurality of thick absorption regions. The plurality of thin absorption regions and the plurality of thick absorption regions are coplanar on a bottom side thereof. An n-type semiconductor layer is disposed over a top side of the p-type semiconductor substrate. The n-type semiconductor layer has a substantially uniform thickness. Metallurgy is disposed on top of the n-type semiconductor layer. The plurality of thin absorption regions are sufficiently thin to render the semiconductor substrate flexible. | 03-24-2016 |
Abdulrahman Al-Bassam, Al-Khobar SA
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20130186805 | SELECTIVE MIDDLE DISTILLATE HYDROTREATING PROCESS - A selective mid-distillate hydrotreating process is provided for production of hydrocarbon fuels with an ultra-low level of sulfur in which the initial hydrocarbon feedstock is introduced into to an aromatic extraction zone to produce an aromatic-lean fraction and an aromatic-rich fraction, which contain different classes of organosulfur compounds having different reactivities when subjected to hydrotreating reactions. The aromatic-lean fraction contains primarily labile heteroatom-containing compounds, and is passed to a first hydrotreating zone operating under mild conditions to remove the sulfur heteroatom from organosulfur hydrocarbon compounds. The aromatic-rich fraction contains primarily refractory heteroatom-containing compounds, including aromatic molecules such as certain benzothiophenes (e.g., long chain alkylated benzothiophenes), dibenzothiophene and alkyl derivatives, such as sterically hindered 4,6-dimethyldibenzothiophene, and is passed to a hydrotreating zone operating under relatively severe conditions to remove the heteroatom from sterically hindered refractory compounds. | 07-25-2013 |
Abdulrahman Al-Diab, Riyadh SA
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20100075367 | Lung cancer detection by optical analysis of body fluids - The method for lung cancer detection by optical analysis of body fluids relates to analyzing samples of blood, urine and sputum by fluorescence spectroscopy in order to detect the presence of naturally occurring molecules in the fluids that serve as biomarkers indicative of cancer in the human body. The analysis can be carried out based on fluorescence emission spectra, fluorescence excitation spectra and synchronous (emission and excitation) spectra of bio-samples. The early detection and diagnosis of lung cancer may be made by comparison of ratios of fluorescence emissions and/or excitation intensities of tryptophan, tyrosine, elastin, collagen, bile pigments, NADPH, flavins and various species of porphyrins. | 03-25-2010 |
Abdulrahman Al Jabri, Riyadh SA
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20150341325 | Systems And Methods For Secure Communication Over An Unsecured Communication Channel - A system and method for secure data transmission over an unsecured communication channel by means of public key cryptography is disclosed. A plurality of digital certificates associated with a plurality of user devices within a peer network are maintained at each of the user devices in a certificate database. Each user device is assigned with a secure hardware token. The hardware token stores a private key and a local encryption key associated with the corresponding device. In order to transfer data between a first user device and a second user device, a public key of second user device stored in the certificate database is used to encrypt a data to be transferred from a first user device to the second user device within the peer network. At the second user device, the encrypted data is decrypted using a private key associated with the second user device to retrieve the data. | 11-26-2015 |
Abdulrahman Al-Merbati, Khobar SA
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20140137917 | THERMOELECTRIC MODULE WITH BI-TAPERED THERMOELECTRIC PINS - The thermoelectric module with bi-tapered thermoelectric pins is a semiconductor device configured as a thermoelectric power generator that has pins made of Bismuth Telluride that attach to a ceramic hot plate and a ceramic cold plate to form a thermoelectric module (TEM). The pins will include at least one N-doped pin and one P-doped pin. The bi-tapered pin structure of the TE pins exhibits low maximum thermal stress as predicted by thermal analysis, thereby maintaining thermal, electrical, and mechanical integrity of the TEM device. | 05-22-2014 |
Abdulrahman Al-Muhanna, King Abdulaziz City SA
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20100019261 | SILICON NANOPARTICLE WHITE LIGHT EMITTING DIODE DEVICE - Multiple films of red-green-blue (RGB) luminescent silicon nanoparticles are integrated in a cascade configuration as a top coating in an ultraviolet/blue light emitting diode (LED) to convert it to a white LED. The configuration of RGB luminescent silicon nanoparticle films harnesses the short wavelength portion of the light emitted from the UV/blue LED while transmitting efficiently the longer wavelength portion. The configuration also reduces damaging heat and/or ultraviolet effects to both the device and to humans. | 01-28-2010 |
20110229995 | Silicon Nanoparticle White Light Emitting Device - Multiple films of red-green-blue (RGB) luminescent silicon nanoparticles are integrated in a cascade configuration as a top coating in an ultraviolet/blue light emitting diode (LED) to convert it to a white LED. The configuration of RGB luminescent silicon nanoparticle films harnesses the short wavelength portion of the light emitted from the UV/blue LED while transmitting efficiently the longer wavelength portion. The configuration also reduces damaging heat and/or ultraviolet effects to both the device and to humans. | 09-22-2011 |
Abdulrahman Almuhareb, Riyadh SA
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20120290602 | METHOD AND SYSTEM FOR IDENTIFYING TRADITIONAL ARABIC POEMS - A system and method for searching for and identifying traditional Arabic poems in unstructured text. The system includes a CPU, a computer readable memory and a computer readable storage media. The system further includes first program instructions to identify lines of text within the document that have equivalent length. The system further includes second program instructions to group the identified lines of text as candidate verses. The system further includes third program instructions to select the candidate verses to generate a candidate poem. The first, second, and third program instructions are stored on the computer readable storage media for execution by the CPU via the computer readable memory. | 11-15-2012 |
Abdulrahman Alshuhail, Dhahran SA
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20130261976 | MACHINES, SYSTEMS, AND METHODS FOR SUPER-VIRTUAL BOREHOLE SONIC INTERFEROMETRY - Embodiments of super-virtual borehole sonic interferometry include machines, systems, and methods that can increase the signal-to-noise ratio of sonic log waveforms. Embodiments include performing a common shot gather and recording traces with a sonic tool, repositioning the tool and performing another common-shot gather; cross-correlating each trace with neighboring corresponding traces for each common shot gather, which leads to creating the virtual trace response due to a redatumed virtual source; stacking the common virtual traces with common ray paths for different common shot gathers; convolving the virtual traces with an actual trace that travels from the source through the virtual source to a receiver on the tool; and stacking the traces having common ray paths. The resulting waveforms can have a signal-to-noise ratio significantly greater than the signal-to-noise ratio of the original waveforms, due to the two stacking operations following each redatuming step. | 10-03-2013 |
Abdulrahman Althagafi, Fairfax, VA US
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20120271561 | SYSTEM AND METHOD FOR AIRCRAFT POLLUTION ACCOUNTABILITY AND COMPLIANCE TRACKING - A system method, and computer program product for individual aircraft pollution tracking, including at least one of real-time pollution tracking and pollution estimation of individual moving aircraft, wherein the pollution estimation is equal in accuracy as relative accuracy of employed inputs; pollution estimation for various aircraft, and various types of pollution based on suitably available raw data; and pollution estimation including filtering of outputs and formatting thereof to provide usability for comparison to regulation criteria and assessments of pollution mitigation efforts, including fleet mix, level of technology, and pollution attainment determination. | 10-25-2012 |
Abdulrahman Showkatbakhsh, Tehran IR
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20140186788 | SYSTEM AND METHOD FOR MAXILLARY PROTRACTION IN CLASS III MALOCCLUSION PATIENTS - The embodiments herein provide a maxillary protraction device is provided for treating Maxillary Transverse Discrepancies in young orthodontic patients and in skeletally mature patients using only local anesthesia and without administering general anesthesia. The maxillary protraction device comprises a hyrax provided with an adjustable screw and a plurality of bands connected to the hyrax through a connecting wire. A tongue plate is connected to the hyrax through the connecting wire. A tongue sprue wire is provided and soldered to an anterior segment of a premolar band to reinforce the tongue plate. The connecting wire holds the tongue plate in a position to resist a tongue pressure. The physiological tongue forces produced during swallowing are used to move the maxilla in forward, sagittal and vertical directions. The parasagittal osteotomy is employed to reposition the individual segments in a widened transverse dimension, and to facilitate 3-dimensional movements of the maxilla. | 07-03-2014 |