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Ding, MA

Eric L. Ding, Jamaica Plain, MA US

Patent application numberDescriptionPublished
20120157378Methods and Compositions for Predicting a Subject's Susceptibility To and Risk of Developing Type 2 Diabetes - Aspects of the invention include methods of predicting a subject's susceptibility to developing type 2 diabetes. Embodiments of the methods include obtaining a sex hormone-binding globulin (SHBG) level value for the subject, e.g., by detecting a SHBG plasma concentration and/or a SHBG polymorphism phenotype, and predicting the subject's susceptibility to developing type 2 diabetes from the obtained SHBG level value. Also provided are devices and kits that find use in practicing embodiments of the methods. In addition, methods of treating a subject for type 2 diabetes and/or preventing the onset of type 2 diabetes are provided.06-21-2012

Junhua Ding, Tewskbury, MA US

Patent application numberDescriptionPublished
20110022334Upstream volume mass flow verification systems and methods field of the disclosure - This disclosure relates to mass flow verification systems for and methods of measuring and verifying the mass flow through a mass flow measurement device such as a mass flow controller. A mass flow verification system comprises a preset volume, a temperature sensor, and a pressure sensor. The measured verified flow determined by the mass flow verification system can be adjusted to compensate for errors resulting from a dead volume within the mass flow measurement device.01-27-2011

Junhua Ding, Boxborough, MA US

Patent application numberDescriptionPublished
20120216888System for and Method of Fast Pulse Gas Delivery - A system for delivering pulses of a desired mass of gas to a tool, comprising: a mass flow controller including flow sensor, a control valve and a dedicated controller configured and arranged to receive a recipe of a sequence of steps for opening and closing the control valve so as to deliver as sequence of gas pulses as a function of the recipe. The mass flow controller is configured and arranged so as to operate in either one of at least two modes: as a traditional mass flow controller (MFC) mode or in a pulse gas delivery (PGD) mode. Further, the dedicated controller is configured and arranged to delivery pulses of gas in accordance with anyone of three different types of pulse gas delivery processes: a time based pulse delivery process, a mole based pulse delivery process and a profile based pulse delivery process.08-30-2012

Junhua Ding, Tewksbury, MA US

Patent application numberDescriptionPublished
20080250854Mass flow device using a flow equalizer for improving the output response - A mass flow device comprises an inlet and an outlet; a bypass and a laminar flow element disposed within the bypass. The device also includes a sensor constructed so as to provide an output signal representative of the flow rate through the mass flow device, the sensor including a tube in fluid communication with the inlet and the laminar flow element at an upstream connection location, and the outlet and the laminar flow element at a downstream connection location. A flow equalizer is disposed between the inlet and the upstream connection location, wherein the flow equalizer includes a porous medium constructed with an interconnected porosity so as to greatly reduce the flow disturbance to the sensor with an approximate equalized flow pattern exiting the equalizer.10-16-2008
20090112504High Accuracy Mass Flow Verifier with Multiple Inlets - A high accuracy mass flow verifier (HAMFV) which provides high measurement accuracy over a wide flow verification range with low inlet pressures is disclosed for verifying flow measurement by a fluid delivery device. The HAMFV includes a chamber defining a plurality N of inlets with upstream valves, an outlet with a downstream valve, a pressure sensor and a temperature sensor configured to measure the pressure and the temperature of the fluid within the chamber, respectively. A plurality N of critical flow nozzles is located adjacent to the corresponding upstream valve. The HAMFV further includes a controller configured to activate one of the plurality N of critical flow nozzles based on the desired flow verification range and the fluid type by opening the corresponding upstream valve and closing all other upstream valves. At least two of the plurality N of critical flow nozzles have different cross-sectional areas.04-30-2009
20100036534Systems and Methods for Updating Valve Cracking Current in Mass Flow Controllers - A valve system for a mass flow controller that controls a flow rate of a fluid is disclosed. The valve system includes a valve movable between an open position and a closed position to adjust the flow rate of the fluid to a desired set point, and a valve controller. The valve controller sends a valve current through the valve, so as to adjust the flow rate of the fluid until an actual measured flow rate of the fluid substantially equals the desired set point. The valve controller monitors the valve current and the flow rate when the valve is moving to the closed position, determines a value of the valve current when the fluid has near-zero flow rate, and updates the valve cracking current for a next run, by setting the updated valve cracking current to the value of the valve current at the near-zero flow rate.02-11-2010
20100125424Dual-Mode Mass Flow Verification and Mass Flow Delivery System and Method - A system performs mass flow delivery of a fluid, and also performs mass flow verification of the fluid. The system includes an inlet valve that controls flow of the fluid into a chamber, an outlet valve that controls flow of the fluid out of the chamber, a pressure transducer that measures the pressure of the fluid within the chamber, a temperature sensor that measures the temperature of the fluid within the chamber, and a controller. The controller is configured to control opening and closing of the inlet and outlet valves, using the measurements of the pressure and the temperature change within the chamber, so as to verify, when in a first mode, a measurement of the flow rate of the fluid by a device, and so as to deliver, when in a second mode, a desired amount of the fluid from the chamber into a processing facility.05-20-2010
20110135821METHODS OF AND APPARATUS FOR CONTROLLING PRESSURE IN MULTIPLE ZONES OF A PROCESS TOOL - A method of and a multiple zone pressure controller system for controlling the pressure of a gas or vapor flowing to at least two zones of a process tool such as a vacuum deposition chamber. The system comprises: at least two channels configured and arranged so as to provide the flow of the gas or vapor to corresponding zones of the process tool, each channel including a pressure controller configured and arranged to control the pressure of gas or vapor in each channel, a leakby orifice or nozzle configured to provide a leak rate of gas or vapor from the channel; and a controller configured and arrange to determine the true flow information to each zone of the process tool so that the true leak rate in the chamber can be determined.06-09-2011
20120073672SYSTEM FOR AND METHOD OF FAST PULSE GAS DELIVERY - A system for and method of delivering pulses of a desired mass of gas to a tool is described. A system for delivering pulses of a desired mass of gas to a process chamber or tool, comprising: a gas delivery chamber; a first valve arranged so as to control the flow of gas into the gas delivery chamber; a second valve arranged so as control the flow of gas leaving the gas delivery chamber so that the gas can leave the gas delivery chamber in pulses, each of a selected mass as a function of the initial pressure of the gas in the gas delivery chamber and the duration of the respective pulse; and a pressure control arrangement configured and arranged so as to control the flow of gas into the gas delivery chamber so as to precharge the gas in the gas delivery chamber to an initial pressure set point prior to delivering the pulses of gas such that the variance of the starting pressure of the gas in the gas delivery chamber is controlled prior to delivering the pulses of gas, and the repeatability of the mass delivery is improved as a function of the duration of each of the pulses.03-29-2012
20120076935METHOD AND APPARATUS FOR MULTIPLE-CHANNEL PULSE GAS DELIVERY SYSTEM - A pulse gas delivery system for delivering a sequence of pulses of prescribed amounts of gases to a process tool, comprises: (a) a plurality of channels, each including (i) a gas delivery chamber; (ii) an inlet valve connected so as to control gas flowing into the corresponding gas delivery chamber; and (iii) an outlet valve connected so as to control the amount of gas flowing out of the corresponding gas delivery chamber; and (b) a dedicated multiple channel controller configured so as to control the inlet and outlet valves of each of the channels so that pulses of gases in prescribed amounts can be provided to the process tool in a predetermined sequence in accordance with a pulse gas delivery process.03-29-2012

Patent applications by Junhua Ding, Tewksbury, MA US

Luping Ding, Worcester, MA US

Patent application numberDescriptionPublished
20090006320Runtime Semantic Query Optimization for Event Stream Processing - Systems and method are disclosed for applying a query to an event stream by storing one or more event constraints; performing constraint aware complex event processing on the query and the event constraints; and optimizing the query at run time.01-01-2009

Ping Ding, Grafton, MA US

Patent application numberDescriptionPublished
20090209422Insecticidal Substituted Aminoalkyl Heterocyclic and Heteroaryl Derivatives - Certain substituted aminoalkyl heteroaryl and heterocyclyl derivatives have provided unexpected insecticidal and acaricidal activity. These compounds are represented by formula I: wherein R, R08-20-2009

Ping Ding, Acton, MA US

Patent application numberDescriptionPublished
20090270402Novel triazolopyridazines - The present invention is directed to novel compounds of formula (I)10-29-2009

Ran Ding, Bolton, MA US

Patent application numberDescriptionPublished
20110045292ABRASIVE ARTICLES INCLUDING ABRASIVE PARTICLES BONDED TO AN ELONGATED BODY, AND METHODS OF FORMING THEREOF - An abrasive article includes an elongated body, a bonding layer including a metal overlying a surface of the elongated body, and a coating layer including a polymer material overlying the boding layer. The abrasive article further includes abrasive grains contained within the bonding layer and coating layer, and wherein the bonding layer comprises an average thickness (t02-24-2011
20110297228UV BLOCKING FLUOROPOLYMER FILM - The invention describes a polymer that is composed of a fluoropolymer modified with a UV absorber. The UV absorber is grafted to the polymeric backbone of the fluoropolymer. Optionally, a HALS can also be grated to the polymeric backbone of the fluoropolymer. Incorporation or the absorber or stabilizer helps to reduce degradation of underlying layers such as an encapsulant while still allowing useful light energy to pass through the layers to a device, such as a photovoltaic device.12-08-2011

Sheng He Ding, Tyngsboro, MA US

Patent application numberDescriptionPublished
20100292688METHODS AND APPARATUS FOR FORMING CARDIAC LESIONS AND ASSESSING LESION QUALITY - Method and apparatus for treating conductive irregularities in the heart, particularly atrial fibrillation and accessory path arrythmias. An ablative catheter is positioned relative to an inter-atrial electrical pathway, or a vicinity of accessory paths such as the coronary sinus or fossa ovalis, and actuated to form a lesion that partially or completely blocks electrical conduction in at least one direction along the pathway. Method and apparatus for assessing lesion quality are also described.11-18-2010

Wei Ding, Dorchester, MA US

Patent application numberDescriptionPublished
20100153090WORD SENSE DISAMBIGUATION - A machine-readable storage medium includes computer-executable instructions that, when executed by a processor, cause the processor to receive as input a target sentence comprising a target word and retrieve a gloss of the target word. The processor is further caused to parse the target sentence and the gloss. The processor is further caused to assign a score to the gloss based on the gloss's coherence to the target sentence.06-17-2010

Xueru Ding, Chelmsford, MA US

Patent application numberDescriptionPublished
20090231184SYSTEM AND METHOD FOR TARGET DETECTION WITH A RADAR ANTENNA - A system and method for controlling a radar antenna are provided. The method includes generating a first single beam antenna pattern, generating a second single beam antenna pattern and transmitting the first and second single beam antenna patterns. The method further includes using phase detection to determine angular information for a detected object based on a phase difference of received signals.09-17-2009

Ye Ding, Malden, MA US

Patent application numberDescriptionPublished
20110256983VIRTUAL ANKLE AND BALANCE TRAINER SYSTEM - A rehabilitation system that combines robotics and interactive gaming to facilitate performance of task-specific, repetitive exercise to enable individuals undergoing rehabilitation to improve the performance of coordinated movements of the ankle, and to practice balance activities, is disclosed. More specifically, the rehabilitation system includes at least one two degree-of-freedom robotic, haptic interface for a mammalian foot and interactive gaming hardware that is coupled to a controller, to provide a virtual reality-like environment.10-20-2011

Yiping Ding, Dover, MA US

Patent application numberDescriptionPublished
20090055834VIRTUALIZATION PLANNING SYSTEM - An interactive virtualization management system provides an assessment of proposed or existing virtualization schemes. A Virtual Technology Overhead Profile (VTOP) is created for each of a variety of configurations of host computer systems and virtualization technologies by measuring the overhead experienced under a variety of conditions. The multi-variate overhead profile corresponding to each target configuration being evaluated is used by the virtualization management system to determine the overhead that is to be expected on the target system, based on the particular set of conditions at the target system. Based on these overhead estimates, and the parameters of the jobs assigned to each virtual machine on each target system, the resultant overall performance of the target system for meeting the performance criteria of each of the jobs in each virtual machine is determined, and over-committed virtual machines and computer systems are identified.02-26-2009

Patent applications by Yiping Ding, Dover, MA US

Yong Ding, Wayland, MA US

Patent application numberDescriptionPublished
20110120307Composite Perfluorohydrocarbon Membranes, Their Preparation and Use - Composite porous hydrophobic membranes are prepared by forming a perfluorohydrocarbon layer on the surface of a preformed porous polymeric substrate. The substrate can be formed from poly(aryl ether ketone) and a perfluorohydrocarbon layer can be chemically grafted to the surface of the substrate. The membranes can be utilized for a broad range of fluid separations, such as microfiltration, nanofiltration, ultrafiltration as membrane contactors for membrane distillation and for degassing and dewatering of fluids. The membranes can further contain a dense ultra-thin perfluorohydrocarbon layer superimposed on the porous poly(aryl ether ketone) substrate and can be utilized as membrane contactors or as gas separation. membranes for natural gas treatment and gas dehydration.05-26-2011

Patent applications by Yong Ding, Wayland, MA US

Zhihu Ding, Brookline, MA US

Patent application numberDescriptionPublished
20110265197Signatures and PCDeterminants Associated with Prostate Cancer and Methods of Use Thereof - The present invention provides methods of detecting cancer using biomarkers.10-27-2011