Patents by Inventor Ming Chai
Ming Chai 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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Publication number: 20240020959Abstract: A method and system for generating test cases for visual train positioning are provided and relate to the technical field of train positioning. The method includes: first obtaining real environment images around a train, and classifying the real environment images based on blur types; training a generative adversarial network (GAN)-based image generation network with each non-blurred training image, each blurred training image of any blur type in a same scenario and a preset blur type as inputs, and a reconstructed blurred image and a corresponding blur type as outputs, to obtain an image generation model; then inputting each real non-blurred image and target reference data into the image generation model to generate a target reconstructed blurred image, and then deleting target reconstructed blurred images with structural similarities lower than a set threshold.Type: ApplicationFiled: April 3, 2023Publication date: January 18, 2024Inventors: Ming CHAI, Dong XIE, Hongjie LIU, Shuai SU, Jidong LV
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Patent number: 11875982Abstract: Techniques and systems for multi-modal ionization for mass spectrometry are provided. In some embodiments, a method may comprise: receiving an analyte; ionizing some molecules of the analyte using a first ionization method to produce first ions; ionizing other molecules of the analyte using a second ionization method to produce second ions; and providing the first and second ions to a mass analyzer.Type: GrantFiled: February 17, 2023Date of Patent: January 16, 2024Assignee: BaySpec, Inc.Inventors: Nam Duc Lai, Krisztian Gabor Torma, Ming Chai, William Allen Escobar, Xiaoguang Wu, Masayuki Kamata, Wei Yang Terziyan
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Publication number: 20230311959Abstract: A method for trains to establish a virtual coupling (VC) operation mode, which includes: successively determining whether adjacent preceding and following trains on a same line meet initial conditions and formation conditions of the VC; and performing VC on both trains meeting the initial conditions and formation conditions, and determining the VC of all trains on the line through the above determination method to obtain an overall VC. The method further including controlling operation of a leading train in the overall VC according to driving permission of the VC, and controlling operation of each of remaining following trains based on communication with the corresponding adjacent preceding train in combination with the following train's own driving information. An establishment process of forming a VC operation mode, thereby improving efficiency of train transportation and flexibility of organization and scheduling.Type: ApplicationFiled: September 6, 2022Publication date: October 5, 2023Applicant: BEIJING JIAOTONG UNIVERSITYInventors: Ming Chai, Qi Wang, Hongjie Liu, Jidong Lv, Shuai Su
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Publication number: 20230207301Abstract: Techniques and systems for multi-modal ionization for mass spectrometry are provided. In some embodiments, a method may comprise: receiving an analyte; ionizing some molecules of the analyte using a first ionization method to produce first ions; ionizing other molecules of the analyte using a second ionization method to produce second ions; and providing the first and second ions to a mass analyzer.Type: ApplicationFiled: February 17, 2023Publication date: June 29, 2023Inventors: Nam Duc Lai, Krisztian Gabor Torma, Ming Chai, William Allen Escobar, Xiaoguang Wu, Masayuki Kamata, Wei Yang Terziyan
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Patent number: 11621155Abstract: Techniques and systems for multi-modal ionization for mass spectrometry are provided. In some embodiments, a method may comprise: receiving an analyte; ionizing some molecules of the analyte using a first ionization method to produce first ions; ionizing other molecules of the analyte using a second ionization method to produce second ions; and providing the first and second ions to a mass analyzer.Type: GrantFiled: July 29, 2021Date of Patent: April 4, 2023Assignee: BaySpec, Inc.Inventors: Nam Duc Lai, Krisztian Gabor Torma, Ming Chai, William Allen Escobar, Xiaoguang Wu, Masayuki Kamata, Wei Yang Terziyan
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Publication number: 20230035895Abstract: Techniques and systems for multi-modal ionization for mass spectrometry are provided. In some embodiments, a method may comprise: receiving an analyte; ionizing some molecules of the analyte using a first ionization method to produce first ions; ionizing other molecules of the analyte using a second ionization method to produce second ions; and providing the first and second ions to a mass analyzer.Type: ApplicationFiled: July 29, 2021Publication date: February 2, 2023Inventors: Nam Duc Lai, Krisztian Gabor Torma, Ming Chai, William Allen Escobar, Xiaoguang Wu, Masayuki Kamata, Wei Yang Terziyan
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Patent number: 11454540Abstract: Methods and systems for spectroscopy are provided. Exemplary methods include: illuminating, with a tunable laser, an analyte with first light; detecting, with a filtered sensor, a first Raman signal; illuminating, with the tunable laser, the analyte using second light; detecting, with the filtered sensor, a second Raman signal, the second Raman signal being shifted from the first Raman signal by a second predetermined increment; illuminating, with the tunable laser, the analyte using third light; detecting, with the filtered sensor, a third Raman signal, the third Raman signal being shifted from the second Raman signal by the second predetermined increment; constructing a Raman spectrum using the first Raman signal, the second Raman signal, and the third Raman signal; and determining at least one molecule of the analyte using the Raman spectrum and a database of predetermined Raman spectra.Type: GrantFiled: July 12, 2019Date of Patent: September 27, 2022Assignee: BioSpex, Inc.Inventors: Wei Yang, Changqing Wang, Ming Chai, Shu Zhang
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Publication number: 20220244102Abstract: Systems for spectroscopy are provided. Exemplary systems include: an enclosure; a tunable laser disposed in the enclosure; an opening on a surface of the enclosure; a beam splitter disposed in the enclosure, the beam splitter being optically coupled to the tunable laser and the opening; a sensor, a sensing surface of the sensor having a filter disposed thereon; and electronics coupled to the tunable laser and the sensor, the electronics including a processor, memory, and a battery.Type: ApplicationFiled: April 22, 2022Publication date: August 4, 2022Inventors: Wei Yang, Changqing Wang, Ming Chai, Shu Zhang
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Patent number: 11326944Abstract: Systems for spectroscopy are provided. Exemplary systems include: an enclosure; a tunable laser disposed in the enclosure; an opening on a surface of the enclosure; a beam splitter disposed in the enclosure, the beam splitter being optically coupled to the tunable laser and the opening; a sensor, a sensing surface of the sensor having a filter disposed thereon; and electronics coupled to the tunable laser and the sensor, the electronics including a processor, memory, and a battery.Type: GrantFiled: July 12, 2019Date of Patent: May 10, 2022Assignee: BioSpex, Inc.Inventors: Wei Yang, Changqing Wang, Ming Chai, Shu Zhang
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Publication number: 20210279660Abstract: An information processing device executes a request reception process in which a plurality of predetermined requests are received, the plurality of predetermined requests being related to predetermined information for an information processing system in which the predetermined information is shared by a plurality of nodes that can communicate with each other, an integration management process in which the plurality of received requests are converted and integrated into a format that can be handled by each node of the information processing system according to a predetermined rule and thus a new request is created, and a request process in which the new request is transmitted to the information processing system to process the predetermined request at each node of the information processing system.Type: ApplicationFiled: February 25, 2021Publication date: September 9, 2021Inventors: Jun NAKAJIMA, Yoji OZAWA, Zhihui LU, Jie WU, Jian YANG, Ming CHAI, Junxiong LIN
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Patent number: 11035797Abstract: Systems and methods for hybrid time-resolved and time-shifted spectroscopy for measuring biological analytes are disclosed.Type: GrantFiled: December 17, 2019Date of Patent: June 15, 2021Assignee: BioSpex, Inc.Inventors: Wei Yang, Shu Zhang, Changqing Wang, Ming Chai
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Publication number: 20210116303Abstract: Systems and methods for time-resolved spectroscopy. Exemplary methods include: providing first light and second light using an excitation source; receiving first scattered light from a material responsive to the providing the first light; signaling the detector, after a delay, to provide a first spectrum of the received first scattered light; receiving second scattered light from the material responsive to the providing the second light; signaling the detector, after the delay, to provide a second spectrum of the received second scattered light; recovering a spectrum of the material using the first spectrum and the second spectrum; and identifying at least one molecule of the material using the recovered spectrum and a database of identified spectra.Type: ApplicationFiled: December 28, 2020Publication date: April 22, 2021Inventors: Wei Yang, Leyun Zhu, Changqing Wang, Ming Chai
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Publication number: 20210010861Abstract: Systems for spectroscopy are provided. Exemplary systems include: an enclosure; a tunable laser disposed in the enclosure; an opening on a surface of the enclosure; a beam splitter disposed in the enclosure, the beam splitter being optically coupled to the tunable laser and the opening; a sensor, a sensing surface of the sensor having a filter disposed thereon; and electronics coupled to the tunable laser and the sensor, the electronics including a processor, memory, and a battery.Type: ApplicationFiled: July 12, 2019Publication date: January 14, 2021Inventors: Wei Yang, Changqing Wang, Ming Chai, Shu Zhang
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Publication number: 20210010865Abstract: Methods and systems for spectroscopy are provided. Exemplary methods include: illuminating, with a tunable laser, an analyte with first light; detecting, with a filtered sensor, a first Raman signal; illuminating, with the tunable laser, the analyte using second light; detecting, with the filtered sensor, a second Raman signal, the second Raman signal being shifted from the first Raman signal by a second predetermined increment; illuminating, with the tunable laser, the analyte using third light; detecting, with the filtered sensor, a third Raman signal, the third Raman signal being shifted from the second Raman signal by the second predetermined increment; constructing a Raman spectrum using the first Raman signal, the second Raman signal, and the third Raman signal; and determining at least one molecule of the analyte using the Raman spectrum and a database of predetermined Raman spectra.Type: ApplicationFiled: July 12, 2019Publication date: January 14, 2021Inventors: Wei Yang, Changqing Wang, Ming Chai, Shu Zhang
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Patent number: 10876892Abstract: Systems and methods for time-resolved spectroscopy. Exemplary methods include: providing first, second, and third light using an excitation source; receiving first scattered light from a material responsive to the providing the first light; signaling the detector, after a delay, to provide a first spectrum of the received first scattered light; receiving second scattered light from the material responsive to the providing the second light; signaling the detector, after the delay, to provide a second spectrum of the received second scattered light; receiving third scattered light from the material responsive to the providing the third light; signaling the detector, after the delay, to provide a third spectrum of the received third scattered light; recovering a spectrum of the material using the first spectrum, second spectrum, and third spectrum; and identifying at least one molecule of the material using the recovered spectrum and a database of identified spectra.Type: GrantFiled: December 19, 2017Date of Patent: December 29, 2020Assignee: BioSpex, Inc.Inventors: William Yang, Leyun Zhu, Chase Wang, Ming Chai
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Publication number: 20200124535Abstract: Systems and methods for hybrid time-resolved and time-shifted spectroscopy for measuring biological analytes are disclosed.Type: ApplicationFiled: December 17, 2019Publication date: April 23, 2020Inventors: Wei Yang, Shu Zhang, Changqing Wang, Ming Chai
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Publication number: 20170011901Abstract: Apparatus and methods for optimizing the transmission of ions between two differentially pumped vacuum chambers. Ion transmission from the higher pressure vacuum chamber into the lower pressure vacuum chamber is maximized while gas conductance between the chambers is minimized. The conventional single hole circular aperture between adjacent vacuum chambers is replaced with an interface comprising a plurality of smaller apertures configured according to a calculated hole pattern. The individual apertures of the new interface may preferably be arranged in a circular fashion, providing both adequate ion transmission and lower gas conductance. Another embodiment of the invention comprises a surface having a single aperture whose shape comprises a contiguous collection of individual aperture shapes.Type: ApplicationFiled: July 6, 2015Publication date: January 12, 2017Applicant: BAYSPEC, INC.Inventors: William (Wei) Yang, Ming Chai, Yang Cui
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Patent number: 9129862Abstract: Microelectronic devices, associated assemblies, and associated methods are disclosed herein. For example, certain aspects of the invention are directed toward a microelectronic device that includes a microfeature workpiece having a side and an aperture in the side. The device can further include a workpiece contact having a surface. At least a portion of the surface of the workpiece contact can be accessible through the aperture and through a passageway extending between the aperture and the surface. Other aspects of the invention are directed toward a microelectronic support device that includes a support member having a side carrying a support contact that can be connectable to a workpiece contact of a microfeature workpiece. The device can further include recessed support contact means carried by the support member. The recessed support contact means can be connectable to a second workpiece contact of the microfeature workpiece.Type: GrantFiled: July 15, 2014Date of Patent: September 8, 2015Assignee: Micron Technology, Inc.Inventors: Teck Kheng Lee, David Yih Ming Chai, Hong Wan Ng
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Publication number: 20140326488Abstract: Microelectronic devices, associated assemblies, and associated methods are disclosed herein. For example, certain aspects of the invention are directed toward a microelectronic device that includes a microfeature workpiece having a side and an aperture in the side. The device can further include a workpiece contact having a surface. At least a portion of the surface of the workpiece contact can be accessible through the aperture and through a passageway extending between the aperture and the surface. Other aspects of the invention are directed toward a microelectronic support device that includes a support member having a side carrying a support contact that can be connectable to a workpiece contact of a microfeature workpiece. The device can further include recessed support contact means carried by the support member. The recessed support contact means can be connectable to a second workpiece contact of the microfeature workpiece.Type: ApplicationFiled: July 15, 2014Publication date: November 6, 2014Inventors: Teck Kheng Lee, David Yih Ming Chai, Hong Wan Ng
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Patent number: 8873041Abstract: Raman spectrometers are provided that illuminate a sample with two or more different beams of light, each characterized by a different primary frequency. Scattered light from the sample is separated into multiple Raman spectra, one for each primary frequency. The multiple Raman spectra can be evaluated individually, or they can be added together to form a composite spectrum that is then evaluated.Type: GrantFiled: January 29, 2013Date of Patent: October 28, 2014Assignee: BaySpec, Inc.Inventors: Ming Chai, Wei Yang, Chad Lieber, Miao Yang, Charlie Zhang