Takayuki Itabashi

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Miyagi-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Lid open/close detection device of portable electronic equipment
- Patent number 6,642,462
- Issue date Nov 4, 2003
- Alps Electric Co., Ltd.
- Nobuyuki Ninomiya
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Lid open/close detection device of portable electronic equipment
- Publication number 20020130019
- Publication date Sep 19, 2002
- Alps Electric Co., Ltd.
- Nobuyuki Ninomiya
- H01 - BASIC ELECTRIC ELEMENTS