Hideyuki Kawashima

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Higashikurume, JA

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable circuit for an electronic timepiece
- Patent number 4,075,827
- Issue date Feb 28, 1978
- Citizen Watch Co., Ltd.
- Makoto Yoshida
- G04 - HOROLOGY
Information Patent Grant
Monitoring system for digital electronic timepiece
- Patent number 3,937,049
- Issue date Feb 10, 1976
- Citizen Watch Co., Ltd.
- Tomomi Murakami
- G04 - HOROLOGY