Youichi Iwabuchi

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Isesaki-Shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Writing implement
- Patent number 7,530,753
- Issue date May 12, 2009
- Kabushiki Kaisha Pilot Corporation
- Yoshihiro Kobayashi
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
Writing implement
- Publication number 20060013642
- Publication date Jan 19, 2006
- Yoshihiro Kobayashi
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES