Masanori Katayama

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 7,821,877
- Issue date Oct 26, 2010
- Citizen Holdings Co., Ltd
- Shin-ichi Sakamaki
- G04 - HOROLOGY

Patents Applicationslast 30 patents

Information Patent Application
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- Publication number 20090154301
- Publication date Jun 18, 2009
- CITIZEN HOLDINGS CO., LTD.
- Shin-ichi Sakamaki
- G04 - HOROLOGY