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Electrets

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  • H01G7/02
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HELECTRICITY H01Electric elements H01GCAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE H01G7/00Capacitors in which the capacitance is varied by non-mechanical means Processes of their manufacture

Current Industry

H01G7/02Electrets
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD FOR MANUFACTURING VIBRATION POWER GENERATION DEVICE AND VIBR...
    • Publication number 20250088124
    • Publication date Mar 13, 2025
    • SEIKO EPSON CORPORATION
    • Katsuya Suzuki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    METHOD FOR MANUFACTURING ELECTRET MATERIAL
    • Publication number 20250075310
    • Publication date Mar 6, 2025
    • Toyota Jidosha Kabushiki Kaisha
    • Kenichi OKUMURA
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    DEEP TRENCH CAPACITOR INCLUDING A COMPACT CONTACT REGION AND METHOD...
    • Publication number 20240304700
    • Publication date Sep 12, 2024
    • Taiwan Semiconductor Manufacturing Company Limited
    • Jen-Yuan CHANG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTROLYTIC DIRECT ENERGY CONVERTER (EDEC)
    • Publication number 20240274372
    • Publication date Aug 15, 2024
    • FRANK E GORDON
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DIELECTRIC CAPACITOR FORMED OF A DIELECTRIC-COATED ELECTRICALLY CON...
    • Publication number 20240079183
    • Publication date Mar 7, 2024
    • U.S. Army DEVCOM, Army Research Laboratory
    • Brendan M. Hanrahan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    STRUCTURE EXHIBITING A FLEXOELECTRIC EFFECT
    • Publication number 20230386755
    • Publication date Nov 30, 2023
    • Murata Manufacturing Co., Ltd.
    • Takashi TATEISHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Vibrational Energy Harvester Element
    • Publication number 20230098623
    • Publication date Mar 30, 2023
    • THE UNIVERSITY OF TOKYO
    • Hiroshi TOSHIYOSHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DEEP TRENCH CAPACITOR INCLUDING A COMPACT CONTACT REGION AND METHOD...
    • Publication number 20230069774
    • Publication date Mar 2, 2023
    • Taiwan Semiconductor Manufacturing Company Limited
    • Jen-Yuan CHANG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    POWER GENERATOR
    • Publication number 20220392711
    • Publication date Dec 8, 2022
    • DENSO CORPORATION
    • YOSHIHIRO KOZAWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    POWER GENERATOR
    • Publication number 20220384116
    • Publication date Dec 1, 2022
    • DENSO CORPORATION
    • YOSHIHIRO KOZAWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Electrostatic Device, Electrostatic Device Intermediate Body and Pr...
    • Publication number 20220324697
    • Publication date Oct 13, 2022
    • The University of Tokyo
    • Hiroshi Toshiyoshi
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Application

    ENGINEERED DIELECTRIC META-MATERIALS
    • Publication number 20210343479
    • Publication date Nov 4, 2021
    • Drexel University
    • Zongquan Gu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    METHODS OF SATURATING NONWOVEN FABRICS WITH LIQUID AND THE MAKING O...
    • Publication number 20210262134
    • Publication date Aug 26, 2021
    • University of Tennessee Research Foundation
    • Peter Ping-yi Tsai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTRET SHEET AND PIEZOELECTRIC SENSOR
    • Publication number 20210257165
    • Publication date Aug 19, 2021
    • Sekisui Chemical Co., Ltd
    • Tetsuhiro KATO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTRET SHEET
    • Publication number 20210249195
    • Publication date Aug 12, 2021
    • Sekisui Chemical Co., Ltd
    • Tetsuhiro KATO
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    DIELECTRIC COMPOSITION AND ELECTRONIC COMPONENT
    • Publication number 20210179494
    • Publication date Jun 17, 2021
    • TDK Corporation
    • Toshihiro IGUCHI
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    Electrostatic Motor
    • Publication number 20210184599
    • Publication date Jun 17, 2021
    • The Charles Stark Draper Laboratory, Inc.
    • Louis Beryl Kratchman
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTRET
    • Publication number 20210183584
    • Publication date Jun 17, 2021
    • DENSO CORPORATION
    • Noriyuki Matsushita
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    Vibrational Energy Harvester Element
    • Publication number 20210119556
    • Publication date Apr 22, 2021
    • The University of Tokyo
    • Hiroshi TOSHIYOSHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELEMENT AND METHOD FOR MANUFACTURING ELEMENT
    • Publication number 20210111644
    • Publication date Apr 15, 2021
    • Tomoaki SUGAWARA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Electrically conductive electret and associated electret-based powe...
    • Publication number 20210012969
    • Publication date Jan 14, 2021
    • Deborah Duen Ling Chung
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    TIMEPIECE
    • Publication number 20200293000
    • Publication date Sep 17, 2020
    • CITIZEN WATCH CO., LTD.
    • Kenji SHIMODA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Electret Energy Storage System
    • Publication number 20200098525
    • Publication date Mar 26, 2020
    • Kirk W. Rosener
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTRET-TREATED SHEET AND FILTER
    • Publication number 20200009489
    • Publication date Jan 9, 2020
    • Yupo corporation
    • Yutaro SUGAMATA
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    PIEZOELECTRIC ELEMENT AND MUSICAL INSTRUMENT
    • Publication number 20190311702
    • Publication date Oct 10, 2019
    • Yupo corporation
    • Hiroshi KOIKE
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Electrostatic Motor
    • Publication number 20190253000
    • Publication date Aug 15, 2019
    • The Charles Stark Draper Laboratory, Inc.
    • Louis Beryl Kratchman
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20190165695
    • Publication date May 30, 2019
    • DENSO CORPORATION
    • Kenta GODA
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Application

    ELECTRET SHEET
    • Publication number 20190057816
    • Publication date Feb 21, 2019
    • Sekisui Chemical Co., Ltd
    • Tetsuhiro KATO
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    ELECTRICAL POWER GENERATOR
    • Publication number 20190044457
    • Publication date Feb 7, 2019
    • HENRIK HENRIKOVYCH SHUMINSKYI
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    ELECTRET SHEET
    • Publication number 20190043672
    • Publication date Feb 7, 2019
    • Sekisui Chemical Co., Ltd
    • Tetsuhiro KATO
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE