Shigeo Sano

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Battery-feed circuit for exchange
- Patent number 4,872,199
- Issue date Oct 3, 1989
- Fujitsu Limited
- Shigeru Kawami
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Mixed dual frequency generating system
- Patent number 4,599,583
- Issue date Jul 8, 1986
- Fujitsu Limited
- Ryoji Shimozono
- H04 - ELECTRIC COMMUNICATION TECHNIQUE