Kazuhiro Yoshii

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Isezaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ink follower for writing tool
- Patent number 6,478,496
- Issue date Nov 12, 2002
- Kabushiki Kaisha Pilot
- Kazuhiro Yoshii
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Push button type ballpoint pen
- Patent number 6,305,865
- Issue date Oct 23, 2001
- Kabushiki Kaisha Pilot
- Kazuhiro Yoshii
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Direct filling ink capable of being used for a ballpoint pen contai...
- Patent number 5,925,175
- Issue date Jul 20, 1999
- Kabushiki Kaisha Pilot
- Teruaki Fukasawa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...