Katsumi Sera

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Katsuta, JP

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Patents Grantslast 30 patents

Information Patent Grant
Still picture recording system with noise detection and frame count...
- Patent number 4,737,864
- Issue date Apr 12, 1988
- Hitachi Microcomputer Eng. Co.
- Masataka Sekiya
- G11 - INFORMATION STORAGE
Information Patent Grant
Motor driving circuit
- Patent number 4,494,056
- Issue date Jan 15, 1985
- Hitachi, Ltd.
- Hideo Nishijima
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER