Yoshihisa Osano

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ballpoint pen
- Patent number 9,533,528
- Issue date Jan 3, 2017
- Mitsubishi Pencil Company, Limited
- Yoshihisa Osano
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
BALLPOINT PEN
- Publication number 20150078803
- Publication date Mar 19, 2015
- MITSUBISHI PENCIL COMPANY, LIMITED
- Yoshihisa Osano
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES