Ryusuke Ota

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Applicator
- Patent number 6,997,631
- Issue date Feb 14, 2006
- Pentel Kabushiki Kaisha
- Norio Yamada
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
Applicator
- Publication number 20050169691
- Publication date Aug 4, 2005
- Norio Yamada
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES