Yasuhiko Okuyama

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Gunma, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electronic clock
- Patent number 4,419,017
- Issue date Dec 6, 1983
- Sanyo Electric Co., Ltd.
- Yasuhiko Okuyama
- G04 - HOROLOGY
Information Patent Grant
Display for frequency received by radio receiver
- Patent number 4,247,950
- Issue date Jan 27, 1981
- Sanyo Electric Co., Ltd.
- Yasuhiko Okuyama
- G01 - MEASURING TESTING