Kazunobu Yokoyama

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Contact member, contact member production method, and push-button s...
- Patent number 10,763,052
- Issue date Sep 1, 2020
- Shin-Etsu Polymer Co., Ltd.
- Kazunobu Yokoyama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pushbutton switch member
- Patent number 10,403,451
- Issue date Sep 3, 2019
- Shin-Etsu Polymer Co., Ltd.
- Masayuki Ito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pushbutton switch member
- Patent number 10,373,775
- Issue date Aug 6, 2019
- Shin-Etsu Polymer Co., Ltd.
- Masayuki Ito
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
CONTACT MEMBER, CONTACT MEMBER PRODUCTION METHOD, AND PUSH-BUTTON S...
- Publication number 20190287739
- Publication date Sep 19, 2019
- Shin-Etsu Polymer Co., Ltd.
- Kazunobu YOKOYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PUSHBUTTON SWITCH MEMBER
- Publication number 20180218856
- Publication date Aug 2, 2018
- Shin-Etsu Polymer Co., Ltd.
- Masayuki ITO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PUSHBUTTON SWITCH MEMBER
- Publication number 20180190445
- Publication date Jul 5, 2018
- Shin-Etsu Polymer Co., Ltd.
- Masayuki ITO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Method For Producing Cover Part Of Push Button Switch And Cover Mem...
- Publication number 20070199811
- Publication date Aug 30, 2007
- SHIN-ETSU POLYMER CO., LTD.
- Shinji Hotta
- H01 - BASIC ELECTRIC ELEMENTS