Eiichi Matsuura

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Chiba, JA

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Patents Grantslast 30 patents

Information Patent Grant
Electronic watch having antimagnetic characteristic
- Patent number 4,033,111
- Issue date Jul 5, 1977
- Kabushiki Kaisha Daini Seikosha
- Eiichi Matsuura
- G04 - HOROLOGY
Information Patent Grant
Micro motor for a timepiece
- Patent number 4,012,899
- Issue date Mar 22, 1977
- Kabushiki Kaisha Daini Seikosha
- Eiichi Matsuura
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Construction of the stacked base plates for the timepiece
- Patent number 3,990,227
- Issue date Nov 9, 1976
- Kabushiki Kaisha Daini Seikosha
- Eiichi Matsuura
- G04 - HOROLOGY
Information Patent Grant
Second hand regulating mechanism
- Patent number 3,934,404
- Issue date Jan 27, 1976
- Kabushiki Kaisha Daini Seikosha
- Eiichi Matsuura
- G04 - HOROLOGY