Yasuhiko Nishikubo

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Tokyo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Display control circuit for electronic timepiece
- Patent number 4,094,139
- Issue date Jun 13, 1978
- Citizen Watch Company Limited
- Yasushi Nomura
- G04 - HOROLOGY
Information Patent Grant
Electronic timepiece
- Patent number 4,006,584
- Issue date Feb 8, 1977
- Citizen Watch Co., Ltd.
- Shingo Hashimoto
- G04 - HOROLOGY
Information Patent Grant
Temperature compensated electronic timepiece
- Patent number 3,999,370
- Issue date Dec 28, 1976
- Citizen Watch Co., Ltd.
- Shigeru Morokawa
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Crystal-controlled electronic timepiece with CMOS switching and fre...
- Patent number 3,939,643
- Issue date Feb 24, 1976
- Citizen Watch Co., Ltd.
- Yasuhiko Nishikubo
- G04 - HOROLOGY
Information Patent Grant
Temperature compensated electronic timepiece
- Patent number 3,938,316
- Issue date Feb 17, 1976
- Citizen Watch Co., Ltd.
- Shigeru Morokawa
- H03 - BASIC ELECTRONIC CIRCUITRY