Hiroshi UMEMOTO

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Aichi-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Reversibly thermochromic composition and reversibly thermochromic m...
- Patent number 11,060,018
- Issue date Jul 13, 2021
- The Pilot Ink Co., Ltd.
- Hiroshi Umemoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ink composition for reversibly thermochromic stamp and stamp
- Patent number 11,015,076
- Issue date May 25, 2021
- Kabushiki Kaisha Pilot Corporation
- Akio Nakashima
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
REVERSIBLY THERMOCHROMIC COMPOSITION AND REVERSIBLY THERMOCHROMIC M...
- Publication number 20230383175
- Publication date Nov 30, 2023
- The Pilot Ink Co., Ltd.
- Hiroshi UMEMOTO
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Application
REVERSIBLY THERMOCHROMIC COMPOSITION AND REVERSIBLY THERMOCHROMIC M...
- Publication number 20230287259
- Publication date Sep 14, 2023
- The Pilot Ink Co., Ltd.
- Hiroshi UMEMOTO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
REVERSIBLY THERMOCHROMIC COMPOSITION, REVERSIBLY THERMOCHROMIC MICR...
- Publication number 20220169919
- Publication date Jun 2, 2022
- The Pilot Ink Co., Ltd.
- Hiroshi UMEMOTO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
REVERSIBLY THERMOCHROMIC COMPOSITION AND REVERSIBLY THERMOCHROMIC M...
- Publication number 20200048542
- Publication date Feb 13, 2020
- The Pilot Ink Co., Ltd.
- Hiroshi UMEMOTO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK COMPOSITION FOR REVERSIBLY THERMOCHROMIC STAMP AND STAMP
- Publication number 20170088737
- Publication date Mar 30, 2017
- Kabushiki Kaisha Pilot Corporation
- Akio NAKASHIMA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS