Kazuhiro Ami

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Takasaki-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Writing utensil having excellent cap-off performance
- Patent number 7,001,094
- Issue date Feb 21, 2006
- Mitsubishi Pencil Kabushiki Kaisha
- Kazuhiro Ami
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Writing utensil
- Patent number 6,761,496
- Issue date Jul 13, 2004
- Mitsubishi Pencil Kabushiki Kaisha
- Takahiro Osada
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Capless writing instrument
- Patent number 6,478,495
- Issue date Nov 12, 2002
- Mitsubishi Pencil Kabushiki Kaisha
- Kazuhiro Ami
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Writing instrument having excellent cap-off performance
- Patent number 6,474,893
- Issue date Nov 5, 2002
- Mitsubishi Pencil Kabushiki Kaisha
- Takahiro Osada
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
Writing utensil excellent in cap-off characteristics
- Publication number 20040028462
- Publication date Feb 12, 2004
- Kazuhiro Ami
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
Writing utensil
- Publication number 20030143017
- Publication date Jul 31, 2003
- Takahiro Osada
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
CAPLESS WRITING INSTRUMENT
- Publication number 20020131807
- Publication date Sep 19, 2002
- Kazuhiro Ami
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES