Yohei Ishii

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Yokohama City, JP

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Patents Grantslast 30 patents

Information Patent Grant
Detection device
- Patent number 9,927,380
- Issue date Mar 27, 2018
- Minebea Co., Ltd.
- Akira Muto
- G01 - MEASURING TESTING
Information Patent Grant
Keyboard apparatus, electronic apparatus, and method of producing t...
- Patent number 8,491,209
- Issue date Jul 23, 2013
- Sony Corporation
- Hisao Yamakawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Backlighted keyboard and method using patterned light guide
- Patent number 7,891,829
- Issue date Feb 22, 2011
- Minebea Co., Ltd.
- Toshisada Takeda
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
DETECTION DEVICE
- Publication number 20150276804
- Publication date Oct 1, 2015
- MINEBEA CO., LTD.
- Akira MUTO
- G01 - MEASURING TESTING
Information Patent Application
Keyboard apparatus, electronic apparatus, and method of producing t...
- Publication number 20090079593
- Publication date Mar 26, 2009
- MINEBEA CO., LTD.
- Hisao Yamakawa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
BACKLIGHTED KEYBOARD AND METHOD USING PATTERNED LIGHT GUIDE
- Publication number 20090067153
- Publication date Mar 12, 2009
- MINEBEA CO., LTD.
- TOSHISADA TAKEDA
- G06 - COMPUTING CALCULATING COUNTING