Masakazu Ichikawa

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Soka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Power generating type electronic timepiece
- Patent number 7,161,874
- Issue date Jan 9, 2007
- Citizen Watch Co., Ltd.
- Masakazu Ichikawa
- G04 - HOROLOGY
Information Patent Grant
Electronic timepiece, information processing device, method of disp...
- Patent number 6,876,602
- Issue date Apr 5, 2005
- Citizen Watch Co., Ltd.
- Masakazu Ichikawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Motor driving apparatus
- Patent number 5,973,469
- Issue date Oct 26, 1999
- Citizen Watch Co., Ltd.
- Haruhiko Higuchi
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electronic timepiece
- Patent number 5,940,348
- Issue date Aug 17, 1999
- Citizen Watch Co., Ltd.
- Tomomi Murakami
- G04 - HOROLOGY

Patents Applicationslast 30 patents

Information Patent Application
Electronic timepiece, information processing device, method of disp...
- Publication number 20030235117
- Publication date Dec 25, 2003
- CITIZEN WATCH CO., LTD.
- Masakazu Ichikawa
- G04 - HOROLOGY
Information Patent Application
Power generating type electronic clock and method for controlling t...
- Publication number 20020183865
- Publication date Dec 5, 2002
- Masakazu Ichikawa
- G04 - HOROLOGY