Atsushi Iwasa

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Fujioka-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water base ink composition
- Patent number 5,965,634
- Issue date Oct 12, 1999
- Mitsubishi Pencil Kabushiki Kaisha
- Hiroyuki Idogawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Erasable ink
- Patent number 5,959,000
- Issue date Sep 28, 1999
- Mitsubishi Pencil Kabushiki Kaisha
- Yasuaki Ogiwara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Colored resin fine particle water base dispersion liquid for water...
- Patent number 5,942,560
- Issue date Aug 24, 1999
- Mitsubishi Pencil Kabushiki Kaisha
- Hiroyuki Idogawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
DISPERSION OF COLORED RESIN FINE PARTICLES FOR AQUEOUS INK, AND AQU...
- Publication number 20180079920
- Publication date Mar 22, 2018
- MITSUBISHI PENCIL COMPANY, LIMITED
- Hisato Haga
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
AQUEOUS MARKING INK COMPOSITION
- Publication number 20120316276
- Publication date Dec 13, 2012
- MITSUBISHI PENCIL COMPANY, LIMITED
- Atsushi Iwasa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...