Hidemasa SAKURADA

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Contact structure
- Patent number 9,748,705
- Issue date Aug 29, 2017
- SMK Corporation
- Koichiro Ejiri
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Hotline contacting structure
- Patent number 9,728,880
- Issue date Aug 8, 2017
- SMK Corporation
- Koichiro Ejiri
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Membrane switch having a rotary motion detection function
- Patent number 5,508,703
- Issue date Apr 16, 1996
- SMK Corporation
- Ryo Okamura
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Keyboard switch assembly
- Patent number 5,387,261
- Issue date Feb 7, 1995
- SMK Corporation
- Kazunori Yamada
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Keyboard switch
- Patent number 5,117,077
- Issue date May 26, 1992
- S M K Co., Ltd.
- Hidemasa Sakurada
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
CONTACT STRUCTURE
- Publication number 20170194752
- Publication date Jul 6, 2017
- SMK Corporation
- Koichiro EJIRI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CONTACT CONTACTING STRUCTURE
- Publication number 20170093067
- Publication date Mar 30, 2017
- SMK Corporation
- Koichiro EJIRI
- H01 - BASIC ELECTRIC ELEMENTS