Kazuto Shimokawa

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Record information reproducing method with content identifiers
- Patent number 5,109,365
- Issue date Apr 28, 1992
- Pioneer Electronic Corporation
- Yoshihiko Watanabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Pulse-width modulation drive circuit
- Patent number 4,823,056
- Issue date Apr 18, 1989
- Pioneer Electronic Corporation
- Yoshihiko Watanabe
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER