Jusuke Yaguinuma

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Koriyami, JA

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Patents Grantslast 30 patents

Information Patent Grant
Construction of a frame of a digital clock
- Patent number 4,050,232
- Issue date Sep 27, 1977
- Copal Company Limited
- Jusuke Yaguinuma
- G04 - HOROLOGY
Information Patent Grant
Dating mechanism for calendar clocks
- Patent number 4,027,469
- Issue date Jun 7, 1977
- Copal Company Limited
- Jusuke Yaguinuma
- G04 - HOROLOGY