Mitsuhiro Ohashi

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ball-point pen tip and ink refill
- Patent number 7,862,249
- Issue date Jan 4, 2011
- Mitsubishi Pencil Kabushikikaisha
- Mitsuhiro Ohashi
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
Ball-point pen tip and ink refill
- Publication number 20100254750
- Publication date Oct 7, 2010
- Mitsuhiro Ohashi
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES