Yasuo Tsukahara

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Measuring instrument using centrifugal force
- Patent number 7,722,814
- Issue date May 25, 2010
- Citizen Holdings Co., Ltd.
- Shunji Egawa
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
MEASURING INSTRUMENT USING CENTRIFUGAL FORCE
- Publication number 20070221497
- Publication date Sep 27, 2007
- Citizen Watch Co., Ltd.
- Shunji Egawa
- G01 - MEASURING TESTING