Hideshi Ohno

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Sayama, JA

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Patents Grantslast 30 patents

Information Patent Grant
Electronic timepiece
- Patent number 4,079,582
- Issue date Mar 21, 1978
- Citizen Watch Co., Ltd.
- Munetaka Tamaru
- G04 - HOROLOGY
Information Patent Grant
Electronic timepiece with electrochromic display element
- Patent number 4,006,585
- Issue date Feb 8, 1977
- Citizen Watch Co., Ltd.
- Munetaka Tamaru
- G02 - OPTICS