Patents by Inventor Yang Zou

Yang Zou 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).

  • Publication number: 20230318557
    Abstract: The present application provides a resonator and a preparation method for a resonator, and relates to the technical field of semiconductors. The method involves introducing a first single crystal substrate to facilitate the epitaxial growth of a high-quality single crystal piezoelectric layer on the first single crystal substrate, and firstly performing ion implantation on the first single crystal substrate to form a damaged layer at a certain depth within it. Therefore, while the first single crystal substrate is removed, it is firstly possible to adopt the heating process, and after the first single crystal substrate is subjected to high-temperature treatment, a first layer and a second layer are split at the damaged layer, thereby a part of the first single crystal substrate is firstly removed, and then the remaining part of the first single crystal substrate is removed by trimming, etching, and other modes.
    Type: Application
    Filed: March 24, 2023
    Publication date: October 5, 2023
    Inventors: Yao CAI, Binghui LIN, Yang ZOU, Dawdon CHEAM, Zhipeng DING, Bowoon SOON, Chengliang SUN
  • Patent number: 11761693
    Abstract: Embodiments include heat pump systems with gas bypasses and related methods. In one embodiment, a system may include a gas bypass tank having a bypass inlet, a liquid outlet, and a vapor outlet, and a first splitting valve having a first splitter outlet in fluid communication with the bypass inlet, a first splitter inlet in fluid communication with the liquid outlet, and a first switching path configured to switch between a first conduit path in fluid communication with a first coil system and a second conduit path in fluid communication with a second coil system.
    Type: Grant
    Filed: October 31, 2022
    Date of Patent: September 19, 2023
    Assignee: RHEEM MANUFACTURING COMPANY
    Inventor: Yang Zou
  • Publication number: 20230231528
    Abstract: A resonator and a preparation method of a resonator, and a filter relate to the technical field of resonators.
    Type: Application
    Filed: January 17, 2023
    Publication date: July 20, 2023
    Inventors: Tiancheng LUO, Yao CAI, Chao GAO, Yang ZOU, Binghui LIN, Kaixiang LONG, Bowoon SOON, Chengliang SUN
  • Publication number: 20230220259
    Abstract: The present invention relates to heat transfer compositions comprising refrigerant, lubricant and stabilizer, wherein the refrigerant comprises from about 5% by weight to 100% by weight of trifluoroiodomethane (CF3I), and wherein said lubricant comprises polyol ester (POE) lubricant and/or polyvinyl ether (PVE) lubricant, and wherein said stabilizer comprises an alkylated naphthalene and optionally but preferably an acid depleting moiety.
    Type: Application
    Filed: January 10, 2023
    Publication date: July 13, 2023
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Gregory Laurence Smith, Ankit Sethi, Yang Zou, Samuel F. Yana Motta
  • Publication number: 20230223908
    Abstract: The present disclosure provides a single crystal film bulk acoustic resonator, a manufacturing method for a single crystal film bulk acoustic resonator, and a filter, and relates to the technical field of filters. The method includes: sequentially forming a buffer layer, a piezoelectric layer, and a first electrode that are stacked on a temporary base substrate; forming a first bonding layer on the first electrode; providing a substrate; etching the substrate to form a plurality of first bumps on a surface of the substrate; forming a second bonding layer covering top surfaces of the plurality of first bumps on the surface of the substrate; and bonding the second bonding layer located at the top surfaces of the plurality of first bumps to the first bonding layer.
    Type: Application
    Filed: November 16, 2022
    Publication date: July 13, 2023
    Inventors: Yang ZOU, Yao CAI, Binghui LIN, Tiancheng LUO, Chao GAO, Dawdon CHEAM, Bowoon SOON, Chengliang SUN
  • Publication number: 20230188334
    Abstract: This application discloses quantum key distribution methods and devices, and storage media. In an implementation, an ith node generates, based on a determined first quantum key corresponding to the ith node on a target routing path and a determined second quantum key corresponding to the ith node on the target routing path, a third quantum key corresponding to the ith node on the target routing path, and sends the third quantum key corresponding to the ith node on the target routing path to a destination node on the target routing path, or encrypts a received first ciphertext by using the third quantum key corresponding to the ith node on the target routing path, and sends an obtained second ciphertext corresponding to the ith node to an (i+1)th node on the target routing path.
    Type: Application
    Filed: February 8, 2023
    Publication date: June 15, 2023
    Inventors: Zhengyu LI, Changzheng SU, Su HU, Yang ZOU
  • Publication number: 20230128232
    Abstract: The disclosed technology includes systems and methods for a heat pump water heater. The disclosed technology can include a heat pump water heater system having an evaporator, a condenser, a vapor injection line, a compressor, and a multi-fluid heat exchanger. The vapor injection line can include an expansion valve to transition refrigerant received from the condenser at a first pressure to a second pressure. The compressor can be configured to circulate refrigerant through the condenser, the multi-fluid heat exchanger, the vapor injection line, and the evaporator. The multi-fluid heat exchanger can be configured to receive refrigerant at a first pressure from the condenser, refrigerant at a second pressure from the vapor injection line, and water. The multi-fluid heat exchanger can further facilitate heat transfer between the refrigerants at the first and second pressures and the water to preheat the water before the water is passed through the condenser.
    Type: Application
    Filed: October 26, 2021
    Publication date: April 27, 2023
    Inventors: Yang Zou, Sivakumar Gopalnarayanan, Atilhan Manay, Vishwanath Reddy Ardha
  • Publication number: 20230130780
    Abstract: The disclosed technology includes a heat pump having a thermal energy storage (TES) material. The heat pump can include a first heat exchanger to exchange heat between ambient air and refrigerant, a second heat exchanger to exchange heat between the refrigerant and air supplied to a climate-controlled space, and a third heat exchanger to exchange heat between the TES material and the refrigerant in a first fluid path and the refrigerant in a second fluid path. The heat pump can include a first compressor to circulate refrigerant to the first, second, and third heat exchangers and a second compressor to circulate refrigerant to the second and third heat exchangers. The first compressor can facilitate heat exchange between the ambient air and the TES material and the second compressor can facilitate heat exchange between the TES material and the air supplied to the climate-controlled space.
    Type: Application
    Filed: October 26, 2021
    Publication date: April 27, 2023
    Inventors: Yang Zou, Sivakumar Gopalnarayanan
  • Publication number: 20230129242
    Abstract: The disclosed technology includes devices, systems, and methods for heat pump systems configured to operate in low ambient temperatures. The disclosed technology can include a heat pump water heater system having an evaporator, a first compressor configured to compress refrigerant to a first pressure, and a second compressor configured to compress the refrigerant to a second pressure. The second pressure can be greater than the first pressure. The heat pump water heater system can include a preheater configured to receive the refrigerant at the first pressure and heat water and a condenser configured to receive the refrigerant at the second pressure and heat water. The water can be passed through the preheater before being passed through the condenser.
    Type: Application
    Filed: October 26, 2021
    Publication date: April 27, 2023
    Inventors: Yang Zou, Sivakumar Gopalnarayanan
  • Publication number: 20230121689
    Abstract: Provided are a cephalosporin compound represented by formula I-1, I-2, or I-3, a pharmaceutical composition comprising same, and use thereof as an antibacterial agent.
    Type: Application
    Filed: January 22, 2021
    Publication date: April 20, 2023
    Inventors: Jian HUANG, Lingjian ZHU, Yang ZOU, Cili ZHANG
  • Publication number: 20230105200
    Abstract: Provided are a display panel and a display apparatus. The display panel includes a first display region and a second display region. The light transmittance of the first display region is greater than the light transmittance of the second display region. The display panel also includes a substrate and at least one light adjustment layer disposed on one side of the substrate. Each light adjustment layer includes a first light adjustment layer and a second light adjustment layer. The first light adjustment layer is disposed on the side of the second light adjustment layer facing away from the substrate. The refractive index of the first light adjustment layer is greater than the refractive index of the second light adjustment layer.
    Type: Application
    Filed: December 9, 2022
    Publication date: April 6, 2023
    Applicant: Wuhan Tianma Microelectronics Co., Ltd.
    Inventor: Yang ZOU
  • Publication number: 20230091745
    Abstract: The disclosure provides a film bulk acoustic resonator and a manufacturing method therefor, and a film bulk acoustic wave filter, and relates to the technical field of resonators. The film bulk acoustic resonator includes a substrate, where the substrate is provided with two opposite protective walls protruding out of a surface of the substrate, a cavity is formed between the two protective walls, and an insulating layer is further arranged on one side, away from the cavity, of each protective wall on the substrate; and the film bulk acoustic resonator further includes a transducer stacking structure, where the transducer stacking structure covers the insulating layer, the cavity and the protective walls, and two sides, along a stacking direction, of the transducer stacking structure are in communication with the cavity and the outside respectively.
    Type: Application
    Filed: September 21, 2022
    Publication date: March 23, 2023
    Inventors: Bangtao CHEN, Zhipeng DING, Bowoon SOON, Liyan SIOW, Feng GAO, Yang ZOU, Chengliang SUN
  • Publication number: 20230090976
    Abstract: Provided are a bulk acoustic resonator and a filter. The bulk acoustic resonator includes a substrate having a cavity, and a bottom electrode, a piezoelectric layer and a top electrode that are sequentially arranged on the substrate, where an overlapping area of orthographic projections of the bottom electrode, the piezoelectric layer and the top electrode on the substrate forms a resonance area; and in the resonance area, an outline shape of the orthographic projection of each of the bottom electrode and the top electrode on the substrate is a closed figure formed by connecting M arcs end to end, and the closed figure is an axisymmetric figure, where M is an integer greater than or equal to 2, and the arcs include a concave arc that is concave toward a center of the resonance area and a convex arc that is convex away from the center of the resonance area.
    Type: Application
    Filed: September 21, 2022
    Publication date: March 23, 2023
    Inventors: Chengliang SUN, Xiyu GU, Shishang GUO, Chao GAO, Yang ZOU, Qinwen XU
  • Publication number: 20230092227
    Abstract: The present application provides a preparation method for synthesizing a chiral nicotine from a chiral tert-butylsulfenamide, which includes steps as follows: condensating 3-pyridinecarboxaldehyde with tert-butylsulfenamide at the presence of a titanate; and then reacting (1,3-dioxane-2-yl ethyl) magnesium bromide; cyclizing under an acidic condition; finally obtaining chiral nicotine after reduction and amine methylation.
    Type: Application
    Filed: December 10, 2021
    Publication date: March 23, 2023
    Applicant: SHENZHEN ZINWI BIO-TECH CO., LTD
    Inventors: Jun ZOU, Yang ZOU, Meisen LIU, Weixian LUO
  • Publication number: 20230093762
    Abstract: A resonator, a filter and a duplexer, which relate to the technical field of resonators. The resonator includes: a substrate, and a lower electrode layer, a piezoelectric layer and an upper electrode layer, which are sequentially formed on the substrate, wherein an acoustic reflection structure is formed on a surface of the substrate that is close to the lower electrode layer, and an overlapping region of the acoustic reflection structure, the lower electrode layer, the piezoelectric layer and the upper electrode layer along a stacking direction forms a resonant region; and in the resonant region, the surface, which is away from the substrate, of at least one of the lower electrode layer, the piezoelectric layer and the upper electrode layer is etched to form an etched region, the depth of the etched region is less than the thickness of an etched layer, and the area of the etched region is less than the area of the resonant region.
    Type: Application
    Filed: September 21, 2022
    Publication date: March 23, 2023
    Inventors: Yang ZOU, Yan LIU, Yao CAI, Chengliang SUN, Bowoon SOON
  • Publication number: 20230075688
    Abstract: The present application provides a preparation method of racemic nicotine, including the following steps: Nicotinyl chloride and methylamine are reacted under alkaline conditions to obtain methylnicotinamide, then condensed with monochloroacetone to obtain N-methyl-N-(2-oxopropyl) nicotinamide, then self-aldol condensed to obtain 1-methyl-5-(pyridin-3-yl)-1,2-dihydro-3H-pyrrol-3-one, and finally reduced to obtain racemic nicotine.
    Type: Application
    Filed: December 10, 2021
    Publication date: March 9, 2023
    Applicant: SHENZHEN ZINWI BIO-TECH CO., LTD
    Inventors: Jun ZOU, Yang ZOU, Meisen LIU, Weixian LUO
  • Patent number: 11595196
    Abstract: This application provide quantum key distribution methods, devices, and storage media. In an implementation, a method comprises: determining, based on a first mapping, a first quantum key of N first quantum keys corresponding to an ith node on a target routing path; determining, based on a second mapping, a second quantum key of N second quantum keys corresponding to the ith node; and generating, by the ith node based on the first quantum key corresponding to the ith node and the second quantum key corresponding to the ith node, a third quantum key corresponding to the ith node on the target routing path.
    Type: Grant
    Filed: October 13, 2020
    Date of Patent: February 28, 2023
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Zhengyu Li, Changzheng Su, Su Hu, Yang Zou
  • Patent number: 11585575
    Abstract: Systems and methods for improved heating, ventilation, air conditioning, and refrigeration systems incorporating a plurality of refrigerant circuits. The system can include a compressor having a first compression chamber, a second compression chamber, and a motor. The system can further include a heat exchanger having a first set of microchannel coils and a second set of microchannel coils. The system can have a first circuit fluidly coupled between the first compression chamber and the first set of microchannel coils and a second circuit fluidly coupled between the second compression chamber and the second set of microchannel coils. Further, the first circuit comprises a first refrigerant and the second circuit comprises a second refrigerant.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: February 21, 2023
    Assignee: RHEEM MANUFACTURING COMPANY
    Inventors: Yang Zou, Sivakumar Gopalnarayanan
  • Publication number: 20230049129
    Abstract: Embodiments include heat pump systems with gas bypasses and related methods. In one embodiment, a system may include a gas bypass tank having a bypass inlet, a liquid outlet, and a vapor outlet, and a first splitting valve having a first splitter outlet in fluid communication with the bypass inlet, a first splitter inlet in fluid communication with the liquid outlet, and a first switching path configured to switch between a first conduit path in fluid communication with a first coil system and a second conduit path in fluid communication with a second coil system.
    Type: Application
    Filed: October 31, 2022
    Publication date: February 16, 2023
    Inventor: Yang Zou
  • Publication number: 20230044688
    Abstract: The present application discloses a synthesis method of chiral nicotine from nicotinate and ?-butyrolactone, including the following steps: Step S1: performing condensation under an alkaline condition, and performing ring opening reaction with hydrochloric acid; Step S2: reacting with (+)-B-diisopinocampheyl chloroborane to produce a chiral hydroxyl group; Step S3: performing a chlorination reaction; and Step S4: performing cyclization under an alkaline condition to obtain the chiral nicotine. In the present application, nicotinate and ?-butyrolactone, both cheap and readily available, are used as raw materials, so as to reduce the production cost of (S)-nicotine. (+)-B-diisopinocampheyl chloroborane is used to reduce a carbonyl group of an intermediate to obtain a target chiral center.
    Type: Application
    Filed: April 11, 2022
    Publication date: February 9, 2023
    Inventors: Jun Zou, Yang Zou, Meisen Liu, Weixian Luo