Yuji Koike

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Matsudo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Digital electronic timepiece
- Patent number 4,091,609
- Issue date May 30, 1978
- Kabushiki Kaisha Daini Seikosha
- Takehiro Ishikawa
- G04 - HOROLOGY
Information Patent Grant
Switching mechanism for an electronic timepiece
- Patent number 4,062,179
- Issue date Dec 13, 1977
- Kabushiki Kaisha Daini Seikosha
- Yuji Koike
- G04 - HOROLOGY
Information Patent Grant
Liquid crystal display device
- Patent number 4,017,155
- Issue date Apr 12, 1977
- Kabushiki Kaisha Daini Seikosha
- Kenjiro Yagi
- G02 - OPTICS