Rhythm Watch Co. Ltd.

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Patents Grantslast 30 patents

Information Patent Grant
Alarm setting device for timepieces
- Patent number 4,069,658
- Issue date Jan 24, 1978
- Rhythm Watch Co. Ltd.
- Hiroshi Ito
- G04 - HOROLOGY
Information Patent Grant
Device for maintaining the oscillation of a balance for a timepiece
- Patent number 4,011,714
- Issue date Mar 15, 1977
- Rhythm Watch Co. Ltd.
- Tsutomu Ishizuka
- G04 - HOROLOGY
Information Patent Grant
Leaf-type digital clock
- Patent number 4,005,570
- Issue date Feb 1, 1977
- Rhythm Watch Company, Limited
- Kazuo Miyamoto
- G04 - HOROLOGY
Information Patent Grant
Small-sized synchronous motor
- Patent number 3,940,645
- Issue date Feb 24, 1976
- Rhythm Watch Co. Ltd.
- Ryoichi Takita
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

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