Patents by Inventor Xufeng Wu
Xufeng Wu 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: 20240041640Abstract: The present invention provides a packaged condom comprising a sealed package and, within the package, a condom comprising natural rubber latex and/or synthetic polyisoprene, wherein the condom comprises, on one or more surfaces thereof and in contact with the natural rubber latex and/or synthetic polyisoprene, an aqueous lubricant. The aqueous lubricant comprises a thickener and, in a total amount of from 5 to 25% by weight of the lubricant, one or more organic compounds independently selected from the group consisting of a polyhydric alcohol and a sugar, each of said one or more organic compounds having at least 4 hydroxyl groups and a molecular weight of from 120 to 10000.Type: ApplicationFiled: February 10, 2022Publication date: February 8, 2024Inventors: Qun SU, Zhiyuan WANG, Xufeng WU
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Publication number: 20230388137Abstract: A computing apparatus and method for proof of work, and a chip are provided. The computing apparatus includes: N selectors, respectively configured to obtain N groups of first input quantities; and N first compressors, respectively connected to the N selectors, and respectively configured to receive the N groups of first input quantities sent by the N selectors, and to receive a same second input quantity, wherein each first compressor is configured to sequentially perform compression processing on the second input quantity and each first input quantity in one group of first input quantities, and compression processing results of the N first compressors each is used to obtain a proof-of-work result.Type: ApplicationFiled: August 15, 2023Publication date: November 30, 2023Applicant: BITMAIN TECHNOLOGIES INC.Inventors: Xufeng Wu, Cunyong Yang, Ketuan Zhan
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Publication number: 20230201189Abstract: Provided in the present disclosure are a nemonoxacin malate active pharmaceutical ingredient with low combination impurities, and a preparation method thereof, specifically, provided in the present disclosure is a method for preparing the nemonoxacin malate active pharmaceutical ingredient, the method includes the following steps: 1) providing a C1-C3 alcohol/water mixed solvent in which nemonoxacin free base (Formula II) and D,L-malic acid are dissolved; and 2) performing cooling crystallization on a mixed solution obtained in the step 1), and then performing solid-liquid separation, washing and drying on a precipitated solid, so as to obtain the nemonoxacin malate active pharmaceutical ingredient.Type: ApplicationFiled: December 12, 2022Publication date: June 29, 2023Inventors: Li SHENG, Gang FAN, Dadong SHEN, Guofeng WU, Xufeng WU, Haoling GAO, Lanfang ZHU
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Publication number: 20230174461Abstract: The present invention provides a method for preparing a chiral 4-aryl-?-amino acid derivative. The preparation method comprises hydrogenating an enamine compound having a structure as shown in Formula III in an organic solvent in the presence of a catalyst containing a transition metal and BIBOPs. The preparation method of the present invention uses a small amount of a selected asymmetric catalyst, and has a simple operation, mild reaction conditions, a high yield, a high stereoselectivity, and better industrial application and economic values.Type: ApplicationFiled: March 12, 2021Publication date: June 8, 2023Inventors: Li SHENG, Xufeng WU, Dadong SHEN, Gang FAN, Pengcheng LIU, Dengfeng DONG
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Patent number: 11496050Abstract: A device includes a first FET coupled between first and drive terminals, and is configured to turn on/off responsive to a PWM signal having a first/second state, respectively. A second FET is coupled between the first and drive terminals and is configured to turn on responsive to the PWM signal having the first state, and turn off responsive to expiration of a particular delay after the second FET turns on. A third FET is coupled between drive and second terminals, and is configured to turn on/off responsive to the PWM signal having the second/first state, respectively. A fourth FET is coupled between the drive and second terminals, and is configured to turn on responsive to the PWM signal having the second state if a switching terminal has a first voltage, and turn off responsive to the PWM signal having the first state or the switching terminal having a second voltage.Type: GrantFiled: March 17, 2021Date of Patent: November 8, 2022Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Xufeng Wu, Wei Zhao, Yueming Sun
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Patent number: 11394287Abstract: A system includes an input voltage node configured to provide an input voltage (VIN). The system also includes a load (RLOAD) and a switching converter coupled between the input voltage node and the load (RLOAD). The switching converter is configured to provide an output voltage (VOUT) to the load (RLOAD) based on the input voltage (VIN). The switching converter includes gate driver circuitry and a current mode control circuit coupled to the gate driver circuitry. The current mode control circuit is configured to output control signals to the gate driver circuitry in accordance with different modes of operation, wherein the current mode control circuit is configured to adjust a threshold (IPSM*) used to switch between a discontinuous conduction mode (DCM) and a power save mode (PSM).Type: GrantFiled: May 19, 2020Date of Patent: July 19, 2022Assignee: TEXAS INSTRUMENTS INCORPORATEDInventors: Wei Zhao, Jianzhang Xie, Yihan Yao, Xufeng Wu
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Publication number: 20210296986Abstract: A device includes a first FET coupled between first and drive terminals, and is configured to turn on/off responsive to a PWM signal having a first/second state, respectively. A second FET is coupled between the first and drive terminals and is configured to turn on responsive to the PWM signal having the first state, and turn off responsive to expiration of a particular delay after the second FET turns on. A third FET is coupled between drive and second terminals, and is configured to turn on/off responsive to the PWM signal having the second/first state, respectively. A fourth FET is coupled between the drive and second terminals, and is configured to turn on responsive to the PWM signal having the second state if a switching terminal has a first voltage, and turn off responsive to the PWM signal having the first state or the switching terminal having a second voltage.Type: ApplicationFiled: March 17, 2021Publication date: September 23, 2021Inventors: Xufeng WU, Wei ZHAO, Yueming SUN
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Publication number: 20210211052Abstract: A system includes an input voltage node configured to provide an input voltage (VIN). The system also includes a load (RLOAD) and a switching converter coupled between the input voltage node and the load (RLOAD). The switching converter is configured to provide an output voltage (VOUT) to the load (RLOAD) based on the input voltage (VIN). The switching converter includes gate driver circuitry and a current mode control circuit coupled to the gate driver circuitry. The current mode control circuit is configured to output control signals to the gate driver circuitry in accordance with different modes of operation, wherein the current mode control circuit is configured to adjust a threshold (IPSM*) used to switch between a discontinuous conduction mode (DCM) and a power save mode (PSM).Type: ApplicationFiled: May 19, 2020Publication date: July 8, 2021Inventors: Wei ZHAO, Jianzhang XIE, Yihan Yao, Xufeng Wu
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Patent number: 10664011Abstract: A VR system, a wearable apparatus and a method for controlling a VR apparatus are disclosed. The wearable apparatus comprises a communication circuit, a processor, and a touch screen which are connected to one another successively; the communication circuit establishes a connection to the processor, and is configured to acquire control request information; the processor displays a control interface on the touch screen based on the control request information, generates control information based on touch actions performed on the control interface, and further sends the control information to the VR apparatus to control the VR apparatus via the control information. In this way, the present application may improve the user experience.Type: GrantFiled: December 19, 2016Date of Patent: May 26, 2020Assignee: JRD COMMUNICATION (SHENZHEN) LTD.Inventors: Yanliang Huang, Xufeng Wu
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Publication number: 20190018444Abstract: A VR system, a wearable apparatus and a method for controlling a VR apparatus are disclosed. The wearable apparatus comprises a communication circuit, a processor, and a touch screen which are connected to one another successively; the communication circuit establishes a connection to the processor, and is configured to acquire control request information; the processor displays a control interface on the touch screen based on the control request information, generates control information based on touch actions performed on the control interface, and further sends the control information to the VR apparatus to control the VR apparatus via the control information. In this way, the present application may improve the user experience.Type: ApplicationFiled: December 19, 2016Publication date: January 17, 2019Inventors: YANLIANG HUANG, XUFENG WU
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Patent number: 10132479Abstract: A flipping installation device for LED strip lighting includes an installation frame, a house, at least one link mechanism, and at least one clamping mechanism. Each of the at least one link mechanism includes a first link mounted on the installation frame, a second link disposed on the house, and a third link rotatably connected between the first and second links. The first and second and third links is perpendicular to each other in the cross section perpendicular to the axial direction of the house when the house has been installed into the installation frame. Each of the at least one clamping mechanism includes a catch head disposed on the installation frame, and a resilient lock disposed on the house and coupled to the catch head. The link mechanism and the clamping mechanism are located on the opposite side of the house.Type: GrantFiled: June 21, 2017Date of Patent: November 20, 2018Assignee: Self Electronics Co., Ltd.Inventors: Xufeng Wu, Wanjiong Lin
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Publication number: 20170370563Abstract: A flipping installation device for LED strip lighting includes an installation frame, a house, at least one link mechanism, and at least one clamping mechanism. Each of the at least one link mechanism includes a first link mounted on the installation frame, a second link disposed on the house, and a third link rotatably connected between the first and second links. The first and second and third links is perpendicular to each other in the cross section perpendicular to the axial direction of the house when the house has been installed into the installation frame. Each of the at least one clamping mechanism includes a catch head disposed on the installation frame, and a resilient lock disposed on the house and coupled to the catch head. The link mechanism and the clamping mechanism are located on the opposite side of the house.Type: ApplicationFiled: June 21, 2017Publication date: December 28, 2017Inventors: Xufeng WU, Wanjiong Lin
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Patent number: 9155953Abstract: A photoelectric sensing instant display type golf swing collimation trainer comprises a base (1) and a display device (2), two photoelectric sensor mounting supports (3, 3?) are mounted on the base (1), two groups of photoelectric detection devices with transmitters (4) and sensors (5) are mounted on each mounting support (3 or 3?), the distance between the two sensors (5) on each mounting support is matched with the distance of the straight line section at the bottom of a club head of a golf club, when the club head of the golf club passes between the transmitters (4) and the sensors (5), the pulse receiving of the sensors (5) is blocked, and the sensors (5) are used for sending the synchronous state of blocking the pulse receiving of the club head of the golf club to the display device (2) which is electrically connected with the sensors (5) for real-time display.Type: GrantFiled: September 30, 2011Date of Patent: October 13, 2015Inventors: Yansheng Zhao, Xufeng Wu
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Publication number: 20140112964Abstract: Provided are stable compositions comprising an aqueous carrier, hydrogel particles comprising one or more polysaccharides, and one or more surfactants. Also provided are methods of making such compositions.Type: ApplicationFiled: May 3, 2012Publication date: April 24, 2014Applicant: JOHNSON & JOHNSON CONSUMER COMPANIES, INC.Inventor: Xufeng Wu
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Patent number: D932034Type: GrantFiled: March 31, 2020Date of Patent: September 28, 2021Assignees: Johnson & Johnson Consumer Inc., Umeheal Ltd.Inventors: Justin E. McDonough, Xufeng Wu, Litong Wang, Lai Hing Vair, Rui Lin
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Patent number: D932035Type: GrantFiled: March 31, 2020Date of Patent: September 28, 2021Assignees: Johnson & Johnson Consumer Inc., Umeheal Ltd.Inventors: Justin E. McDonough, Xufeng Wu, Litong Wang, Lai Hing Vair, Rui Lin
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Patent number: D932638Type: GrantFiled: March 31, 2020Date of Patent: October 5, 2021Assignees: Johnson & Johnson Consumer Inc., Umeheal Ltd.Inventors: Justin E. McDonough, Xufeng Wu, Litong Wang, Lai Hing Vair, Rui Lin
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Patent number: D932639Type: GrantFiled: March 31, 2020Date of Patent: October 5, 2021Assignees: Johnson & Johnson Consumer Inc., Umeheal Ltd.Inventors: Justin E. McDonough, Xufeng Wu, Litong Wang, Lai Hing Vair, Rui Lin
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Patent number: D932640Type: GrantFiled: March 31, 2020Date of Patent: October 5, 2021Assignees: Johnson & Johnson Consumer Inc., Umeheal Ltd.Inventors: Justin E. McDonough, Xufeng Wu, Litong Wang, Lai Hing Vair, Rui Lin
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Patent number: D934439Type: GrantFiled: March 31, 2020Date of Patent: October 26, 2021Assignees: Johnson & Johnson Consumer Inc., Umeheal Ltd.Inventors: Justin E. McDonough, Xufeng Wu, Litong Wang, Lai Hing Vair, Rui Lin