Osamu Imagawa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Portable information apparatus for sensing battery voltage drop
- Patent number 5,187,441
- Issue date Feb 16, 1993
- Seiko Instruments Inc.
- Koichi Shibata
- G01 - MEASURING TESTING
Information Patent Grant
Synchronous serial communication circuit
- Patent number 5,187,720
- Issue date Feb 16, 1993
- Seiko Instruments Inc.
- Koichi Shibata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE