Yukio Ikehata

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Tokyo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Second adjustment system in an electronic watch
- Patent number 4,095,406
- Issue date Jun 20, 1978
- Kabushiki Kaisha Daini Seikosha
- Tadahiro Kikuchi
- G04 - HOROLOGY
Information Patent Grant
Switching mechanism in an electronic watch
- Patent number 4,074,093
- Issue date Feb 14, 1978
- Kabushiki Kaisha Daini Seikosha
- Yukio Ikehata
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switching mechanism of an electronic wrist watch
- Patent number 4,044,543
- Issue date Aug 30, 1977
- Kabushiki Kaisha Daini Seikosha
- Yukio Ikehata
- G04 - HOROLOGY