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H01H2233/012
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Parent Industries
H
ELECTRICITY
H01
Electric elements
H01H
ELECTRIC SWITCHES RELAYS SELECTORS EMERGENCY PROTECTIVE DEVICES
H01H2233/00
Key modules
Current Industry
H01H2233/012
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Patents Grants
last 30 patents
Information
Patent Grant
Protective cover, key assembly using the same and portable electron...
Patent number
8,373,975
Issue date
Feb 12, 2013
Shenzhen Futaihong Precision Industry Co., Ltd.
Shi-Xu Liang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Key structure
Patent number
7,964,813
Issue date
Jun 21, 2011
Cheng Uei Precision Industry Co., Ltd.
Yu-Hsiang Ting
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetically coupled pushbutton plunger switch
Patent number
6,677,843
Issue date
Jan 13, 2004
DataHand Systems, Inc.
Dennis Monroe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Island switch
Patent number
6,542,058
Issue date
Apr 1, 2003
Duraswitch Industries, Inc.
Anthony J. Van Zeeland
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Island switch
Patent number
6,262,646
Issue date
Jul 17, 2001
Duraswitch Industries, Inc.
Anthony J. Van Zeeland
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Key module for key-actuated membrane switch panels
Patent number
4,800,245
Issue date
Jan 24, 1989
Cherry-Mikroschalter GmbH
Gunter Murmann
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Keyboard switch
Patent number
4,678,880
Issue date
Jul 7, 1987
Omron Tateisi Electronics Co.
Haruyuki Koizumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Keyboard with removable modular keys
Patent number
4,602,138
Issue date
Jul 22, 1986
Ing. C. Olivetti & C., S.p.A.
Eugenio Berutto
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Push-button switch and a keyboard comprising the same
Patent number
4,529,849
Issue date
Jul 16, 1985
Fujitsu Limited
Seisuke Kamei
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Key switch having an actuator integral with the return spring
Patent number
4,492,838
Issue date
Jan 8, 1985
AMP Incorporated
Kazutoyo Fukukura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Electronic keyboard
Patent number
4,467,150
Issue date
Aug 21, 1984
Digital Equipment Corporation
Richard Leitermann
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Keyboard switch assembly
Patent number
4,315,114
Issue date
Feb 9, 1982
International Telephone & Telegraph Corporation
James H. Monti
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
PROTECTIVE COVER, KEY ASSEMBLY USING THE SAME AND PORTABLE ELECTRON...
Publication number
20110228493
Publication date
Sep 22, 2011
SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD.
SHI-XU LIANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Key switch
Publication number
20100300857
Publication date
Dec 2, 2010
Chia-Fa Cheng
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Key structure
Publication number
20100300858
Publication date
Dec 2, 2010
Yu-Hsiang Ting
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Island switch
Publication number
20010026203
Publication date
Oct 4, 2001
Anthony J. Van Zeeland
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Island switch
Publication number
20010002648
Publication date
Jun 7, 2001
Anthony J. Van Zeeland
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Island switch
Publication number
20010002649
Publication date
Jun 7, 2001
Anthony J. Van Zeeland
H01 - BASIC ELECTRIC ELEMENTS