Yoshikazu Matsumura

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Shinjuku, JP

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Patents Grantslast 30 patents

Information Patent Grant
Azimuth regulating mechanism in floppy disc drive
- Patent number 5,307,225
- Issue date Apr 26, 1994
- Citizen Watch Co., Ltd.
- Yoshiyuki Ohishi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
MOVEMENT OF ELECTRONIC TIMEPIECE AND ELECTRONIC TIMEPIECE
- Publication number 20200301370
- Publication date Sep 24, 2020
- CITIZEN WATCH CO., LTD
- Shinnosuke SAKATA
- G04 - HOROLOGY