Patents by Inventor Wenwen Xu
Wenwen Xu 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: 20250000714Abstract: Methods, systems, and apparatus, including wetness monitoring systems comprising a smart diaper comprising: a sensorial battery comprising at least two electrodes; and a transmitter, wherein the sensorial battery is configured to provide electric current to the transmitter in the presence of water or urine, and wherein the transmitter is configured to emit a signal comprising a unique identifier when the electric current is received from the sensorial battery; and a computing device comprising: a receiver; a user interface; one or more processors; and a computer-readable storage device coupled to the one or more processors and having instructions stored thereon which, when executed by the one or more processors, cause the one or more processors to perform operations comprising: receiving, via the receiver, the signal emitted by the transmitter, and providing, via the user interface, an indication that the smart diaper is wet.Type: ApplicationFiled: September 10, 2021Publication date: January 2, 2025Inventors: Hanqing JIANG, Wei ZENG, Haigang ZHAO, Wenwen XU, Chulei ZHONG, Lei MANG
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Patent number: 11987895Abstract: A modification method of an anode for hydrogen production via electrolysis, the anode for hydrogen production via electrolysis and use thereof are provided. The modification method of the anode for hydrogen production via electrolysis includes providing an anode substrate which can be used for hydrogen production via catalytic electrolysis; and depositing a plurality of silver nano particles on the active surface of the anode substrate to form a silver nano layer, wherein gaps are present between the silver nano particles, and a part of the active surface is exposed from the gaps. In the modification method provided by the present application, the silver nano layer covers on the surface of the anode substrate, and chlorine ions are adsorbed onto the surface of silver in the process of hydrogen production via electrolysis to form a chlorine removal layer.Type: GrantFiled: August 17, 2022Date of Patent: May 21, 2024Assignee: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY AND ENGINEERING, CHINESE ACADEMY OF SCIENCESInventors: Zhiyi Lu, Zhongfeng Wang, Wenwen Xu
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Publication number: 20240084465Abstract: A modification method of an anode for hydrogen production via electrolysis, the anode for hydrogen production via electrolysis and use thereof are provided. The modification method of the anode for hydrogen production via electrolysis includes providing an anode substrate which can be used for hydrogen production via catalytic electrolysis; and depositing a plurality of silver nano particles on the active surface of the anode substrate to form a silver nano layer, wherein gaps are present between the silver nano particles, and a part of the active surface is exposed from the gaps. In the modification method provided by the present application, the silver nano layer covers on the surface of the anode substrate, and chlorine ions are adsorbed onto the surface of silver in the process of hydrogen production via electrolysis to form a chlorine removal layer.Type: ApplicationFiled: August 17, 2022Publication date: March 14, 2024Applicant: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY AND ENGINEERING, CHINESE ACADEMY OF SCIENCESInventors: Zhiyi LU, Zhongfeng WANG, Wenwen XU
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Publication number: 20230393471Abstract: A hybrid polymer/crystal photomechanical composite material is described. The hybrid polymer/crystal photomechanical composite material includes a substrate having a top surface and a plurality of pores extending from the top surface into the interior of the substrate, and diaryl ethene (DAE) crystals disposed in each of the plurality of pores. The substrate may be made from polyethylene terephthalate (PETE). Methods for actuating the described hybrid polymer/crystal photomechanical composite material and devices incorporating therein the described hybrid polymer/crystal photomechanical composite material are also described.Type: ApplicationFiled: May 17, 2023Publication date: December 7, 2023Inventors: Ryan C. Hayward, Wenwen Xu
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Patent number: 11712204Abstract: Systems and methods are presented for a swallowable pH sensor made entirely of edible and digestible materials. A substrate is provided and an electrical circuit pattern is printed on a top surface of the substrate. The electrical circuit pattern includes a plurality of interdigitated electrodes and an antenna portion. The substrate is rolled into a cylindrical form such that the interdigitated electrodes are positioned on an outermost layer of the rolled substrate. The rolling of the substrate also causes the antenna portion of the electrical circuit pattern to form into a coil shape.Type: GrantFiled: November 20, 2020Date of Patent: August 1, 2023Assignee: ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITYInventors: Hanqing Jiang, Haokai Yang, Wenwen Xu
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Publication number: 20220380399Abstract: Preparation method of glycoside compounds is involved in the invention, with the advantages of short synthesis steps, high stereoselectivity and yield, simple production operation, low equipment requirements, environmental protection and suitability for industrial mass production.Type: ApplicationFiled: January 4, 2021Publication date: December 1, 2022Inventors: Changsen ZHAN, Ping TIAN, Chunxiao CUI, Jiange ZHANG, Junjie ZHOU, Guoqiang LIN, Wenwen XU, Zhengguang ZHANG
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Publication number: 20210068757Abstract: Systems and methods are presented for a swallowable pH sensor made entirely of edible and digestible materials. A substrate is provided and an electrical circuit pattern is printed on a top surface of the substrate. The electrical circuit pattern includes a plurality of interdigitated electrodes and an antenna portion. The substrate is rolled into a cylindrical form such that the interdigitated electrodes are positioned on an outermost layer of the rolled substrate. The rolling of the substrate also causes the antenna portion of the electrical circuit pattern to form into a coil shape.Type: ApplicationFiled: November 20, 2020Publication date: March 11, 2021Inventors: Hanqing Jiang, Haokai Yang, Wenwen Xu
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Patent number: 10842438Abstract: Systems and methods are presented for a swallowable pH sensor made entirely of edible and digestible materials. A substrate is provided and an electrical circuit pattern is printed on a top surface of the substrate. The electrical circuit pattern includes a plurality of interdigitated electrodes and an antenna portion. The substrate is rolled into a cylindrical form such that the interdigitated electrodes are positioned on an outermost layer of the rolled substrate. The rolling of the substrate also causes the antenna portion of the electrical circuit pattern to form into a coil shape.Type: GrantFiled: February 20, 2019Date of Patent: November 24, 2020Assignees: Arizona Board of Regents on behalf of Arizona State University, Mayo Foundation for Medical Education and ResearchInventors: Hanqing Jiang, Haokai Yang, Douglas Faigel, Wenwen Xu
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Publication number: 20200275687Abstract: Edible electrical systems containing food and/or food-based materials that possess electrical characteristics comparable or substantially equal to those of conventional materials used traditional electronic circuits and configured to include at least one of a capacitor, resistor, inductor, microphone, RF filter, pH monitoring device to collect information representing a living biological tissue from inside a body. A set of materials for use in constructing such edible electrical systems and methods of using such systems for acquiring such information. Edible electrical systems may be configured to be implantable.Type: ApplicationFiled: May 9, 2018Publication date: September 3, 2020Inventors: Hanqing Jiang, Wenwen Xu, Haokai Yang, Wei Zeng, Hongbin Yu, Marvin J. Slepian
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Publication number: 20200013020Abstract: The present disclosure relates to systems and methods for carpooling. The systems may perform the methods to receive a first intention for a first transportation service of a first subject from a first service requester at a first service intention time; identify an available service provider at the first service intention time; send the service provider a first time point to arrive at a pick-up location and a wait time to stop at the pick-up location before departing from the pick-up location; and send the first service requester a second time point to arrive at the pick-up location.Type: ApplicationFiled: September 19, 2019Publication date: January 9, 2020Applicant: BEIJING DIDI INFINITY TECHNOLOGY AND DEVELOPMENT CO., LTD.Inventors: Baotong YANG, Wenwen XU, Mingzhe HE, Qi XIAO, Yang LIU, Tihui ZHANG, Zhipeng ZUO, Binbin HE, Jianhong HAN, Haiming LU, Qijia ZHANG, Yaorong SHI, Erpeng GAO, Zemin XIA, Keke WANG, Mingshan LUO, Kehua SHENG, Baihu CHEN, Meng AI, Ji HU, Haiyun ZHANG, Yucen LIU, Yangbiao LIU, Kuan SHI, Zhihao OU, Bo WANG, Xudong ZHANG, Junying ZHANG, Long ZHANG, Xiaodong HUANG, Fenglei WANG
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Patent number: 10468203Abstract: Systems and methods are described for an edible capacitive power source such as a supercapacitor device. The capacitive power source includes an anode electrode, an anode current collector, a cathode electrode, and a cathode current collector, arranged in layers with a separator layer positioned between the anode electrode and the cathode electrode forming a symmetrical electrical double-layer capacitor. The anode electrode, the anode current collector, the cathode electrode, the cathode current collector, and the separator layer are all constructed of non-toxic, edible materials. The packaging material, the conductive anode tab, and the conductive cathode tab are all also constructed of non-toxic, edible materials forming a completely edible capacitive power source package.Type: GrantFiled: August 25, 2016Date of Patent: November 5, 2019Assignee: Arizona Board of Regents on Behalf of Arizona State UniversityInventors: Hanqing Jiang, Prithwish Chatterjee, Wenwen Xu, Xu Wang
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Publication number: 20190254608Abstract: Systems and methods are presented for a swallowable pH sensor made entirely of edible and digestible materials. A substrate is provided and an electrical circuit pattern is printed on a top surface of the substrate. The electrical circuit pattern includes a plurality of interdigitated electrodes and an antenna portion. The substrate is rolled into a cylindrical form such that the interdigitated electrodes are positioned on an outermost layer of the rolled substrate. The rolling of the substrate also causes the antenna portion of the electrical circuit pattern to form into a coil shape.Type: ApplicationFiled: February 20, 2019Publication date: August 22, 2019Inventors: Hanqing Jiang, Haokai Yang, Douglas Faigel, Wenwen Xu
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Publication number: 20180235881Abstract: Systems and methods are described for an edible capacitive power source such as a supercapacitor device. The capacitive power source includes an anode electrode, an anode current collector, a cathode electrode, and a cathode current collector, arranged in layers with a separator layer positioned between the anode electrode and the cathode electrode forming a symmetrical electrical double-layer capacitor. The anode electrode, the anode current collector, the cathode electrode, the cathode current collector, and the separator layer are all constructed of non-toxic, edible materials. The packaging material, the conductive anode tab, and the conductive cathode tab are all also constructed of non-toxic, edible materials forming a completely edible capacitive power source package.Type: ApplicationFiled: August 25, 2016Publication date: August 23, 2018Inventors: Hanqing Jiang, Prithwish Chatterjee, Wenwen Xu, Xu Wang
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Patent number: D1002100Type: GrantFiled: August 30, 2022Date of Patent: October 17, 2023Assignee: BROADFAR (SHANGHAI) MANAGEMENT CONSULTING CO., LTD.Inventor: Wenwen Xu
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Patent number: D1041923Type: GrantFiled: February 13, 2023Date of Patent: September 17, 2024Inventor: Wenwen Xu