Patents by Inventor David Wen
David Wen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11969286Abstract: A system for visualization and quantification of ultrasound imaging data according to embodiments of the present disclosure may include a display unit, and a processor communicatively coupled to the display unit and to an ultrasound imaging apparatus for generating an image from ultrasound data representative of a bodily structure and fluid flowing within the bodily structure. The processor may be configured to estimate axial and lateral velocity components of the fluid flowing within the bodily structure, determine a plurality of flow directions within the image based on the axial and lateral velocity components, differentially encode the flow directions based on flow direction angle to generate a flow direction map, and cause the display unit to concurrently display the image including the bodily structure overlaid with the flow direction map.Type: GrantFiled: November 22, 2022Date of Patent: April 30, 2024Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Hua Xie, Shiying Wang, Sheng-Wen Huang, Francois Guy Gerard Marie Vignon, Keith William Johnson, Liang Zhang, David Hope Simpson
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Publication number: 20240112962Abstract: Embodiments disclosed herein include an apparatus for alignment detection. In an embodiment, the apparatus comprises a substrate, and a plurality of devices on the substrate, where each of the plurality of devices comprises a process monitor structure with different offsets from a target value. In an embodiment, a plurality of electrically conductive traces are on the substrate, where each of the plurality of electrically conductive traces has a first end and a second end opposite the first end, and where each of the plurality of electrically conductive traces is electrically coupled at the first end, respectively, with each of the plurality of devices. In an embodiment, the second end of the each of the plurality of electrical traces is within a scan area on the substrate, and where the each of the plurality of electrically conductive traces are not directly electrically coupled with each other.Type: ApplicationFiled: September 30, 2022Publication date: April 4, 2024Inventors: Xiao WEN, Dipto THAKURTA, Sairam SUBRAMANIAN, David SANCHEZ, Amit PALIWAL
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Patent number: 11946979Abstract: A switching power converter is provided that communicates with a mobile device to receive a value of a load detection current. The switching power converter adjusts the cycling of a power switch until a constant current mode of operation is entered with a known output current driving the mobile device. The switching power converter subtracts the load current from the output current to measure a soft-short circuit current.Type: GrantFiled: June 8, 2021Date of Patent: April 2, 2024Assignee: Dialog Semiconductor Inc.Inventors: Jianming Yao, Kai-wen Chin, Yong Li, Cong Zheng, David Nguyen, Fuqiang Shi
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Patent number: 11945111Abstract: A spatial parallel mechanism comprises a platform. Three or more legs configured for extending from a base or ground to the platform, each leg has a distal link, one or more distal joint providing one rotational degree of freedom (DOF) about a distal rotational axis, the distal joint connecting a distal end of the distal link to the platform. A proximal joint provides at least two rotational DOFs at the proximal end of the distal link. Assemblies of joints and links provide DOFs to each said leg between the proximal joint and the base or ground. The distal rotational axes of the three legs are parallel to one another.Type: GrantFiled: February 28, 2020Date of Patent: April 2, 2024Assignee: UNIVERSITÉ LAVALInventors: Clément Gosselin, Kefei Wen, David Harton, Thierry Laliberte
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Patent number: 11941572Abstract: Various embodiments are disclosed for providing machine learning routines with peripheral device data to infer driver activity and location. Peripheral device data may be collected on a peripheral device having a machine learning routine executing thereon to infer driver activity and perform improved estimation of driver location. Using driver activity and location estimation, contextually relevant delivery workflow assistance may be automatically provided to a delivery driver or other individual without requiring manual input, thereby improving driver safety and operational efficiency.Type: GrantFiled: March 16, 2021Date of Patent: March 26, 2024Assignee: AMAZON TECHNOLOGIES, INC.Inventors: Ruth Ravichandran, Hebaallah Aly Abdelhalim Aly Ismail, Zheng Wang, Shao-Wen Yang, Yang Pan, David Hung Huynh, Andrey Li, Hoshgeldy Tagangeldyevich Tachmuradov, Steven Larson
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Patent number: 11932603Abstract: Hydrophilic, high quantum yield, chemiluminescent acridinium compounds with increased light output, improved stability, fast light emission and decreased non specific binding are disclosed. The chemiluminescent acridinium esters possess hydrophilic, branched, electron-donating functional groups at the C2 and/or C7 positions of the acridinium nucleus.Type: GrantFiled: April 7, 2022Date of Patent: March 19, 2024Assignee: Siemens Healthcare Diagnostics Inc.Inventors: Anand Natrajan, David Sharpe, Qingping Jiang, David Wen
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Publication number: 20240075895Abstract: Embodiments are disclosed for crash detection on one or more mobile devices (e.g., smartwatch and/or smartphone). In some embodiments, a method comprises: detecting, with at least one processor, a crash event on a crash device; extracting, with the at least one processor, multimodal features from sensor data generated by multiple sensing modalities of the crash device; computing, with the at least one processor, a plurality of crash decisions based on a plurality of machine learning models applied to the multimodal features; and determining, with the at least one processor, that a severe vehicle crash has occurred involving the crash device based on the plurality of crash decisions and a severity model.Type: ApplicationFiled: September 6, 2023Publication date: March 7, 2024Inventors: Vinay R. Majjigi, Sriram Venkateswaran, Aniket Aranake, Tejal Bhamre, Alexandru Popovici, Parisa Dehleh Hossein Zadeh, Yann Jerome Julien Renard, Yi Wen Liao, Stephen P. Jackson, Rebecca L. Clarkson, Henry Choi, Paul D. Bryan, Mrinal Agarwal, Ethan Goolish, Richard G. Liu, Omar Aziz, Alvaro J. Melendez Hasbun, David Ojeda Avellaneda, Sunny Kai Pang Chow, Pedro O. Varangot, Tianye Sun, Karthik Jayaraman Raghuram, Hung A. Pham
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LABELS COMPRISING DIBROMOPYRIDAZINEDIONES FOR IMMUNOASSAYS AND METHODS OF PRODUCTION AND USE THEREOF
Publication number: 20240010841Abstract: Labels that include dibromopyridazinedione attached to signal molecules are disclosed, along with methods of producing and using same. Also disclosed are conjugates of the label attached to an analyte-specific binder, as well as methods of producing and using same. Kits containing the labels and/or conjugates are also disclosed, along with microfluidics devices containing same.Type: ApplicationFiled: November 10, 2021Publication date: January 11, 2024Applicant: Siemens Healthcare Diagnostics Inc.Inventors: Yali Yang, David Wen, Bogdan Draghici, Yi Feng Zheng, Raphael Bartz, Qingping Jiang, Roland Janzen, Joshua Whalen, Ling Ngo, William Bedzyk -
Publication number: 20220227711Abstract: Hydrophilic, high quantum yield, chemiluminescent acridinium compounds with increased light output, improved stability, fast light emission and decreased non specific binding are disclosed. The chemiluminescent acridinium esters possess hydrophilic, branched, electron-donating functional groups at the C2 and/or C7 positions of the acridinium nucleus.Type: ApplicationFiled: April 7, 2022Publication date: July 21, 2022Applicant: Siemens Healthcare Diagnostics Inc.Inventors: Anand Natrajan, David Sharpe, Qingping Jiang, David Wen
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Patent number: 11332445Abstract: Hydrophilic, high quantum yield, chemiluminescent acridinium compounds with increased light output, improved stability, fast light emission and decreased non specific binding are disclosed. The chemiluminescent acridinium esters possess hydrophilic, branched, electron-donating functional groups at the C2 and/or C7 positions of the acridinium nucleus.Type: GrantFiled: February 26, 2020Date of Patent: May 17, 2022Assignee: Siemens Healthcare Diagnostics Inc.Inventors: Anand Natrajan, David Sharpe, Qingping Jiang, David Wen
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Publication number: 20220071315Abstract: A seam structure of protective clothing that is capable of being formed quickly and has high sealing performance provided includes: a first cloth including a first side surface and a second side surface opposite to each other; a second cloth welded to the first cloth and including a first surface and a second surface opposite to each other, wherein the first surface is abutted against and welded to the first side surface to form a first welding portion; a sealing cloth including a first sealing section and a third sealing section, wherein the first sealing section is abutted against and welded to the second side surface of the first cloth to form a second welding portion, and the third sealing section is abutted against and welded to the second surface of the second cloth to form a fourth welding portion.Type: ApplicationFiled: September 9, 2020Publication date: March 10, 2022Inventor: David WEN
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Patent number: 10859504Abstract: The present invention relates to methods of enhancing chemiluminescence from a chemiluminescent label comprising contacting a chemiluminescent label with an acid in the presence of a degradable cationic surfactant and hydrogen peroxide followed by the addition of a base. Related kits containing such degradable cationic surfactant are also provided. The degradable cationic surfactant can compress light emission time of the chemiluminescent label to an extent that is comparable to or shorter than conventional surfactants. The degradable cationic surfactant can also increase chemiluminescence of the chemiluminescent label, providing increased light emission output that is comparable to conventional surfactants.Type: GrantFiled: September 7, 2018Date of Patent: December 8, 2020Assignee: Siemens Healthcare Diagnostics Inc.Inventors: Anand Natrajan, David Wen
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Patent number: 10710962Abstract: Zwitterion-containing compounds for the modification of hydrophobic molecules to improve their solubility and/or to lower their non-specific binding as provided. The zwitterion-containing compounds may be suitable for modification of detectable labels such as biotin and fluorescein to improve their solubility. The zwitterion-containing compounds may also be useful for the preparation of conjugates of proteins, peptides and other macromolecules or for crosslinking molecules and/or macromolecules.Type: GrantFiled: May 28, 2016Date of Patent: July 14, 2020Assignee: Siemens Healthcare Diagnostics Inc.Inventors: Anand Natrajan, David Sharpe, David Wen, Qingping Jiang
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Publication number: 20200190037Abstract: Hydrophilic, high quantum yield, chemiluminescent acridinium compounds with increased light output, improved stability, fast light emission and decreased non specific binding are disclosed. The chemiluminescent acridinium esters possess hydrophilic, branched, electron-donating functional groups at the C2 and/or C7 positions of the acridinium nucleus.Type: ApplicationFiled: February 26, 2020Publication date: June 18, 2020Applicant: Siemens Healthcare Diagnostics Inc.Inventors: Anand Natrajan, David Sharpe, Qingping Jiang, David Wen
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Publication number: 20190234883Abstract: The present invention relates to methods of enhancing chemiluminescence from a chemiluminescent label comprising contacting a chemiluminescent label with an acid in the presence of a degradable cationic surfactant and hydrogen peroxide followed by the addition of a base. Related kits containing such degradable cationic surfactant are also provided. The degradable cationic surfactant can compress light emission time of the chemiluminescent label to an extent that is comparable to or shorter than conventional surfactants. The degradable cationic surfactant can also increase chemiluminescence of the chemiluminescent label, providing increased light emission output that is comparable to conventional surfactants.Type: ApplicationFiled: September 7, 2018Publication date: August 1, 2019Applicant: Siemens Healthcare Diagnostics Inc.Inventors: Anand Natrajan, David Wen
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Patent number: 10141915Abstract: A clock driver control scheme for a resonant clock distribution network provides robust operation by controlling a pulse width of the output of clock driver circuits that drive the resonant clock distribution network so that changes are sequenced. The clock driver control circuit controls the clock driver circuits in the corresponding sector according to a selected operating mode via a plurality of control signals provided to corresponding clock driver circuits. The pulse widths differ for at least some of the sectors during operation of digital circuits within the integrated circuit having clock inputs coupled to the resonant clock distribution network. The different pulse widths may be a transient difference that is imposed in response to a mode or frequency change of the global clock that provides an input to the clock driver circuits.Type: GrantFiled: April 5, 2017Date of Patent: November 27, 2018Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Thomas J. Bucelot, Phillip J. Restle, David Wen-Hao Shan
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Patent number: 10073039Abstract: The present invention relates to methods of enhancing chemiluminescence from a chemiluminescent label comprising contacting a chemiluminescent label with an acid in the presence of a degradable cationic surfactant and hydrogen peroxide followed by the addition of a base. Related kits containing such degradable cationic surfactant are also provided. The degradable cationic surfactant can compress light emission time of the chemiluminescent label to an extent that is comparable to or shorter than conventional surfactants. The degradable cationic surfactant can also increase chemiluminescence of the chemiluminescent label, providing increased light emission output that is comparable to conventional surfactants.Type: GrantFiled: May 13, 2014Date of Patent: September 11, 2018Assignee: SIEMENS HEALTHCARE DIAGNOSTICS, INC.Inventors: Anand Natrajan, David Wen
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Publication number: 20170320830Abstract: Hydrophilic, high quantum yield, chemiluminescent acridinium compounds with increased light output, improved stability, fast light emission and decreased non specific binding are disclosed. The chemiluminescent acridinium esters possess hydrophilic, branched, electron-donating functional groups at the C2 and/or C7 positions of the acridinium nucleus.Type: ApplicationFiled: July 4, 2014Publication date: November 9, 2017Inventors: Anand Natrajan, David Sharpe, Qingping Jiang, David Wen
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Publication number: 20170207772Abstract: A clock driver control scheme for a resonant clock distribution network provides robust operation by controlling a pulse width of the output of clock driver circuits that drive the resonant clock distribution network so that changes are sequenced. The clock driver control circuit controls the clock driver circuits in the corresponding sector according to a selected operating mode via a plurality of control signals provided to corresponding clock driver circuits. The pulse widths differ for at least some of the sectors during operation of digital circuits within the integrated circuit having clock inputs coupled to the resonant clock distribution network. The different pulse widths may be a transient difference that is imposed in response to a mode or frequency change of the global clock that provides an input to the clock driver circuits.Type: ApplicationFiled: April 5, 2017Publication date: July 20, 2017Inventors: Thomas J. Bucelot, Phillip J. Restle, David Wen-Hao Shan
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Patent number: 9705479Abstract: A clock driver control scheme for a resonant clock distribution network provides robust operation by controlling a pulse width of the output of clock driver circuits that drive the resonant clock distribution network so that changes are sequenced. The clock driver control circuit controls the clock driver circuits in the corresponding sector according to a selected operating mode via a plurality of control signals provided to corresponding clock driver circuits. The pulse widths differ for at least some of the sectors during operation of digital circuits within the integrated circuit having clock inputs coupled to the resonant clock distribution network. The different pulse widths may be a transient difference that is imposed in response to a mode or frequency change of the global clock that provides an input to the clock driver circuits.Type: GrantFiled: August 18, 2015Date of Patent: July 11, 2017Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Thomas J. Bucelot, Phillip J. Restle, David Wen-Hao Shan