Youichi Yamazaki

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Polling system for use in an audio system
- Patent number 4,972,184
- Issue date Nov 20, 1990
- Pioneer Electronic Corporation
- Yasunao Go
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electronic unit operable in conjunction with body unit
- Patent number 4,945,335
- Issue date Jul 31, 1990
- Pioneer Electronic Corporation
- Toshiyuki Kimura
- G08 - SIGNALLING
Information Patent Grant
Multi-disk player
- Patent number 4,737,945
- Issue date Apr 12, 1988
- Pioneer Electronic Corporation
- Youichi Yamazaki
- G11 - INFORMATION STORAGE