Taro Tozuka

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water-based ink composition for ballpoint pen and water-based ballp...
- Patent number 11,560,490
- Issue date Jan 24, 2023
- Kabushiki Kaisha Pilot Corporation
- Taro Tozuka
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Solid writing material
- Patent number 9,976,043
- Issue date May 22, 2018
- Kabushiki Kaisha Pilot Corporation
- Taro Tozuka
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
WATER-BASED INK COMPOSITION FOR BALLPOINT PEN AND WATER-BASED BALLP...
- Publication number 20200248019
- Publication date Aug 6, 2020
- KABUSHIKI KAISHA PILOT CORPORATION (also trading as PILOT CORPORATION)
- Taro TOZUKA
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
SOLID WRITING MATERIAL
- Publication number 20160075904
- Publication date Mar 17, 2016
- Kabushiki Kaisha Pilot Corporation
- Taro TOZUKA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
SOLID WRITING MATERIAL
- Publication number 20150376433
- Publication date Dec 31, 2015
- Kabushiki Kaisha Pilot Corporation
- Taro TOZUKA
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
REVERSIBLY THERMOCHROMIC COMPOSITION
- Publication number 20140291585
- Publication date Oct 2, 2014
- Kabushiki Kaisha Pilot Corporation
- Taro Tozuka
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES