Noriko SAKANE

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Ink composition for aqueous ink ball point pen
- Patent number 9,873,806
- Issue date Jan 23, 2018
- Mitsubishi Pencil Company, Limited
- Yusuke Kobayashi
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Ink composition for aqueous ballpoint pen
- Patent number 9,416,286
- Issue date Aug 16, 2016
- Mitsubishi Pencil Company, Limited
- Yoji Takeuchi
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
AQUEOUS INK COMPOSITION FOR WRITING INSTRUMENTS
- Publication number 20160264800
- Publication date Sep 15, 2016
- MITSUBISHI PENCIL COMPANY, LIMITED
- Chihiro NISHIJIMA
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
AQUEOUS INK COMPOSITION FOR WRITING INSTRUMENTS
- Publication number 20160264801
- Publication date Sep 15, 2016
- MITSUBISHI PENCIL COMPANY, LIMITED
- Yoji TAKEUCHI
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
INK COMPOSITION FOR AQUEOUS BALLPOINT PEN
- Publication number 20150275000
- Publication date Oct 1, 2015
- MITSUBISHI PENCIL COMPANY, LIMITED
- Yoji Takeuchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK COMPOSITION FOR AQUEOUS INK BALL POINT PEN
- Publication number 20150093176
- Publication date Apr 2, 2015
- MITSUBISHI PENCIL COMPANY, LIMITED
- Yusuke KOBAYASHI
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES