TREA

Membrane

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Industry

  • CPC
  • H01H2227/004
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Parent Industries

HELECTRICITY H01Electric elements H01HELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES H01H2227/00Dimensions Characteristics

Current Industry

H01H2227/004Membrane
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Key device
    • Patent number 12,347,632
    • Issue date Jul 1, 2025
    • Maintek Computer (Suzhou) Co., Ltd
    • Jing-Bo Wang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Key switch device
    • Patent number 10,438,759
    • Issue date Oct 8, 2019
    • Lenovo (Singapore) Pte. Ltd.
    • Fumio Tamura
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Key switch device and keyboard
    • Patent number 9,842,710
    • Issue date Dec 12, 2017
    • Fujitsu Component Limited
    • Junichi Maruyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Thin-film switch
    • Patent number 9,741,501
    • Issue date Aug 22, 2017
    • Jiangsu Transimage Technology Co., Ltd.
    • Weimin Zou
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switch module
    • Patent number 8,847,090
    • Issue date Sep 30, 2014
    • Nippon Mektron, Ltd.
    • Kazuyuki Ozaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switch module
    • Patent number 8,809,713
    • Issue date Aug 19, 2014
    • Nippon Mektron, Ltd.
    • Kazuyuki Ozaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Capacitive sensing device for use in a keypad assembly
    • Patent number 8,305,359
    • Issue date Nov 6, 2012
    • Synaptics Incorporated
    • Robert J. Bolender
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Touch panel
    • Patent number 8,182,898
    • Issue date May 22, 2012
    • Nitto Denko Corporation
    • Tomotake Nashiki
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Key sheet
    • Patent number 8,013,262
    • Issue date Sep 6, 2011
    • Polymatech Co., Ltd.
    • Yoshifumi Honmatsu
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Thin key sheet
    • Patent number 7,705,256
    • Issue date Apr 27, 2010
    • Sunarrow Limited
    • Yoshio Kenmochi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Membrane switch and pressure sensitive sensor
    • Patent number 6,590,177
    • Issue date Jul 8, 2003
    • Fujikura Ltd.
    • Katsuhiko Takahashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Glass keyboard and method for producing a glass keyboard
    • Patent number 6,563,435
    • Issue date May 13, 2003
    • Karl-Otto Platz
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Backlit tactile keyboard with improved tactile and electrical chara...
    • Patent number 5,149,923
    • Issue date Sep 22, 1992
    • Lucas Duralith Corporation
    • Gregory B. Demeo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Backlit tactile keyboard with improved tactile and electrical chara...
    • Patent number 5,138,119
    • Issue date Aug 11, 1992
    • Lucas Duralith Corporation
    • Gregory B. Demeo
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Switches and keyboards
    • Patent number 4,839,474
    • Issue date Jun 13, 1989
    • Key Innovations Limited
    • Richard P. Hayes-Pankhurst
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method in a snap dome switch keyboard assembly for reducing contact...
    • Patent number 4,703,139
    • Issue date Oct 27, 1987
    • KB-Denver, Inc.
    • Bill D. Dunlap
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Switches and keyboards
    • Patent number 4,634,818
    • Issue date Jan 6, 1987
    • NPM International
    • Richard P. Hayes-Pankhurst
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Unitized control panel
    • Patent number 4,620,075
    • Issue date Oct 28, 1986
    • Price Pfister, Inc.
    • John T. La Belle
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Material for electrical devices having a flexible member
    • Patent number 4,420,663
    • Issue date Dec 13, 1983
    • Oak Industries Inc.
    • Willis A. Larson
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method of making keyboard switches
    • Patent number 4,395,817
    • Issue date Aug 2, 1983
    • Matsushita Electric Industrial Co., Ltd.
    • Takafumi Asada
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Laminated membrane switch
    • Patent number 4,394,547
    • Issue date Jul 19, 1983
    • Oak Industries, Inc.
    • Willis A. Larson
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method of making a membrane switch
    • Patent number 4,391,845
    • Issue date Jul 5, 1983
    • Oak Industries Inc.
    • Ronald S. Denley
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Capacitance switch
    • Patent number 4,373,124
    • Issue date Feb 8, 1983
    • W. H. Brady Co.
    • Norman J. Frame
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Capacitance switch
    • Patent number 4,373,122
    • Issue date Feb 8, 1983
    • W. H. Brady Co.
    • Norman J. Frame
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Capacitance switch
    • Patent number 4,367,385
    • Issue date Jan 4, 1983
    • W. H. Brady Co.
    • Norman J. Frame
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Laminated membrane switch
    • Patent number 4,314,114
    • Issue date Feb 2, 1982
    • Oak Industries
    • Willis A. Larson
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Thin and flat keyboard integral with a metallic housing
    • Patent number 4,293,754
    • Issue date Oct 6, 1981
    • Sharp Kabushiki Kaisha
    • Shigeki Komaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Metallic housing for an electronic apparatus with a flat keyboard
    • Patent number 4,249,054
    • Issue date Feb 3, 1981
    • Sharp Kabushiki Kaisha
    • Shigeki Komaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Membrane switch apparatus
    • Patent number 4,034,176
    • Issue date Jul 5, 1977
    • Magic Dot, Inc.
    • Willis August Larson
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Portable calculator
    • Patent number 4,002,892
    • Issue date Jan 11, 1977
    • Adolf H. Zielinski
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    KEY DEVICE
    • Publication number 20230268145
    • Publication date Aug 24, 2023
    • MAINTEK COMPUTER (SUZHOU) CO., LTD.
    • Jing-Bo Wang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    THIN-FILM SWITCH
    • Publication number 20170186565
    • Publication date Jun 29, 2017
    • Jiangsu Transimage Technology Co., Ltd
    • Weimin Zou
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MEMS STRUCTURE WITH THICK MOVABLE MEMBRANE
    • Publication number 20160181041
    • Publication date Jun 23, 2016
    • DELFMEMS SAS
    • Anne-Sophie Rollier
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Application

    MEMS STRUCTURE WITH MULTILAYER MEMBRANE
    • Publication number 20160181040
    • Publication date Jun 23, 2016
    • DELFMEMS SAS
    • Renaud Robin
    • B81 - MICRO-STRUCTURAL TECHNOLOGY
  • Information Patent Application

    KEY SWITCH DEVICE AND KEYBOARD
    • Publication number 20160093455
    • Publication date Mar 31, 2016
    • FUJITSU COMPONENT LIMITED
    • Junichi MARUYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    KEY MEMBRANE AND ELECTRONIC DEVICE USING THE SAME
    • Publication number 20130341170
    • Publication date Dec 26, 2013
    • HON HAI PRECISION INDUSTRY CO., LTD.
    • YONG-JUN YU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    KEY SWITCH DEVICE
    • Publication number 20130146434
    • Publication date Jun 13, 2013
    • Lenovo (Singapore) Pte. Ltd.
    • Fumio Tamura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    KEYS AND KEYBOARD COMPRISING THE SAME
    • Publication number 20120163894
    • Publication date Jun 28, 2012
    • Heng Xiao
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SWITCH MODULE
    • Publication number 20110089011
    • Publication date Apr 21, 2011
    • NIPPON MEKTRON, LTD.
    • Kazuyuki OZAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MEMBER FOR PUSH BUTTON SWITCH AND MANUFACTURING METHOD THEREOF
    • Publication number 20090223801
    • Publication date Sep 10, 2009
    • CLEVERGAS HOLDINGS S.A.
    • Shohei Murakami
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    KEY SHEET
    • Publication number 20090200148
    • Publication date Aug 13, 2009
    • Yoshifumi HONMATSU
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    CAPACITIVE SENSING DEVICE FOR USE IN A KEYPAD ASSEMBLY
    • Publication number 20090160682
    • Publication date Jun 25, 2009
    • Robert J. BOLENDER
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Thin Key Sheet
    • Publication number 20080277253
    • Publication date Nov 13, 2008
    • Yoshio Kenmochi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Touch panel
    • Publication number 20070252825
    • Publication date Nov 1, 2007
    • Nitto Denko Corporation
    • Tomotake Nashiki
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Capacitive sensing device for use in a keypad assembly
    • Publication number 20050030048
    • Publication date Feb 10, 2005
    • Robert J. Bolender
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Membrane switch and pressure sensitive sensor
    • Publication number 20030000821
    • Publication date Jan 2, 2003
    • FUJIKURA LTD.
    • Katsuhiko Takahashi
    • H01 - BASIC ELECTRIC ELEMENTS