Kana Miyoshi

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Aqueous ink composition for writing instrument
- Patent number 12,110,401
- Issue date Oct 8, 2024
- Mitsubishi Pencil Company, Limited
- Kousuke Ogura
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Aqueous ink composition for ballpoint pen
- Patent number 11,634,601
- Issue date Apr 25, 2023
- Mitsubishi Pencil Company, Limited
- Akiko Hirayama
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Aqueous ink composition for writing instruments
- Patent number 10,851,252
- Issue date Dec 1, 2020
- Mitsubishi Pencil Company, Limited
- Kana Miyoshi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
AQUEOUS INK COMPOSITION FOR WRITING INSTRUMENT
- Publication number 20210047529
- Publication date Feb 18, 2021
- MITSUBISHI PENCIL COMPANY, LIMITED
- Kousuke OGURA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
AQUEOUS INK COMPOSITION FOR BALLPOINT PEN
- Publication number 20200165473
- Publication date May 28, 2020
- MITSUBISHI PENCIL COMPANY, LIMITED
- Akiko HIRAYAMA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
AQUEOUS INK COMPOSITION FOR WRITING INSTRUMENTS
- Publication number 20190211220
- Publication date Jul 11, 2019
- MITSUBISHI PENCIL COMPANY, LIMITED
- Kana Miyoshi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...