Kyoko Kobayashi

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Fujioka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Refill for correction pen and refill unit
- Patent number 7,600,938
- Issue date Oct 13, 2009
- Mitsubishi Pencil Co., Ltd.
- Kyoko Kobayashi
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Coating fluid and fluid applicator
- Patent number 7,140,798
- Issue date Nov 28, 2006
- Mitsubishi Pencil Co., Ltd.
- Hitoshi Nakamura
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Ink for oil-based ball pen
- Patent number 6,786,958
- Issue date Sep 7, 2004
- Mitsubishi Pencil Kabushiki Kaisha
- Masaaki Morita
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Erasable writing ink composition
- Patent number 5,621,021
- Issue date Apr 15, 1997
- Mitsubishi Pencil Kabushiki Kaisha
- Koji Yoshioka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Coating fluid and fluid applicator
- Publication number 20060188321
- Publication date Aug 24, 2006
- Mitsubishi Pencil Co., Ltd.
- Hitoshi Nakamura
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
Refill for correction pen and refill unit
- Publication number 20060075924
- Publication date Apr 13, 2006
- Kyoko Kobayashi
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
Ink for oil-based ball pen
- Publication number 20030033959
- Publication date Feb 20, 2003
- Masaaki Morita
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...