Shoichiro Kumazawa

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Kamagaya, JA

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Patents Grantslast 30 patents

Information Patent Grant
Control apparatus for an intermittently rotated wheel
- Patent number 4,045,950
- Issue date Sep 6, 1977
- Kabushiki Kaisha Seikosha
- Shoichiro Kumazawa
- G04 - HOROLOGY
Information Patent Grant
Unlocking mechanism
- Patent number 4,000,384
- Issue date Dec 28, 1976
- Kabushiki Kaisha Seikosha
- Shoichiro Kumazawa
- G04 - HOROLOGY