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H01H2227/008
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H
ELECTRICITY
H01
Electric elements
H01H
ELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES
H01H2227/00
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Current Industry
H01H2227/008
Substrate
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Overview
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Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Keyboard
Patent number
10,984,970
Issue date
Apr 20, 2021
Chicony Electronics Co., Ltd.
Yao-Lun Huang
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
Illuminated keyboard
Patent number
10,032,577
Issue date
Jul 24, 2018
Primax Electronics Ltd.
Chen-Hsuan Hsu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Membrane switch and method of manufacturing the same
Patent number
10,002,726
Issue date
Jun 19, 2018
KUNSHAN JOING TECHNOLOGY CO., LTD
Yu Wang
H01 - BASIC ELECTRIC ELEMENTS
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
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
Keyboard in which metal plates of varying thickness may be installed
Patent number
6,056,457
Issue date
May 2, 2000
Acer Peripherals Inc.
Shih-Hung Chao
G06 - COMPUTING CALCULATING COUNTING
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
Key-touch sensor and method of manufacture
Patent number
4,794,366
Issue date
Dec 27, 1988
Toshiba Silicone Co., Ltd.
Ryuji Sakamoto
G01 - MEASURING TESTING
Information
Patent Grant
Keyboard
Patent number
4,527,030
Issue date
Jul 2, 1985
Preh Elektrofeinmechanische Werke, Jakob Preh Nachf., GmbH & Co.
Jurgen Oelsch
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Tactile feel membrane switch assembly
Patent number
4,463,234
Issue date
Jul 31, 1984
Centralab Inc.
William W. Bennewitz
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
Vented membrane switch with contaminant scavenger
Patent number
4,365,130
Issue date
Dec 21, 1982
North American Philips Corporation
David A. Christensen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Membrane keyboard apparatus
Patent number
3,995,126
Issue date
Nov 30, 1976
Magic Dot, Inc.
Willis August Larson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Membrane keyboard apparatus having common apertured electrode, aper...
Patent number
3,988,551
Issue date
Oct 26, 1976
Magic Dot, Inc.
Willis August Larson
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of fabricating keyboard apparatus
Patent number
3,981,757
Issue date
Sep 21, 1976
Globe-Union Inc.
Willis August Larson
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SWITCH UNIT AND METHOD FOR PRODUCING SWITCH SUBSTRATE
Publication number
20210166896
Publication date
Jun 3, 2021
CITIZEN ELECTRONICS CO., LTD.
Ken ITO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
KEYBOARD
Publication number
20200013567
Publication date
Jan 9, 2020
CHICONY ELECTRONICS CO., LTD.
YAO-LUN HUANG
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ILLUMINATED KEYBOARD
Publication number
20180166233
Publication date
Jun 14, 2018
Primax Electronics Ltd.
CHEN-HSUAN HSU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
A MEMBRANE SWITCH AND METHOD OF MANUFACTURING THE SAME
Publication number
20160240333
Publication date
Aug 18, 2016
KUNSHAN JOING TECHNOLOGY CO., LTD
Yu WANG
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
SUBSTRATES FOR FLEXIBLE KEYBOARDS AND METHODS OF MANUFACTURING THE...
Publication number
20130037400
Publication date
Feb 14, 2013
Shi-Chiung Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Key sheet
Publication number
20090014304
Publication date
Jan 15, 2009
Polymatech Co., Ltd.
Fumitaka Arai
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
Membrane switch and pressure sensitive sensor
Publication number
20030000821
Publication date
Jan 2, 2003
FUJIKURA LTD.
Katsuhiko Takahashi
H01 - BASIC ELECTRIC ELEMENTS