Masamitsu Osada

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Kanagawa-Ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Low profile key switch structure
- Patent number 6,683,264
- Issue date Jan 27, 2004
- Minebea Co., Ltd.
- Rikuro Obara
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Push button key switch
- Patent number 5,203,448
- Issue date Apr 20, 1993
- Minebea Co., Ltd.
- Masamitsu Osada
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Low profile key switch structure
- Publication number 20030188961
- Publication date Oct 9, 2003
- MINEBEA CO., LTD.
- Rikuro Obara
- H01 - BASIC ELECTRIC ELEMENTS