Toshiyuki Nishiguchi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Chip microphone and method of making same
- Patent number 7,298,856
- Issue date Nov 20, 2007
- Nippon Hoso Kyokai
- Toshifumi Tajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Chip microphone and method of making same
- Publication number 20030063762
- Publication date Apr 3, 2003
- Toshifumi Tajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE