Akio Kuwahara

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Aqueous coloring agent dispersion for inkjet, ink composition, inkj...
- Patent number 10,167,405
- Issue date Jan 1, 2019
- Nippon Kayaku Kabushiki Kaisha
- Akira Kawaguchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Monoazo metal complex, azo-type pigment dispersant, and pigment com...
- Patent number 7,942,962
- Issue date May 17, 2011
- Nippon Kayaku Kabushiki Kaisha
- Shinjirou Takahashi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
AQUEOUS COLORING AGENT DISPERSION FOR INKJET, INK COMPOSITION, INKJ...
- Publication number 20160160068
- Publication date Jun 9, 2016
- Nippon Kayaku Kabushiki-Kaisha
- Akira KAWAGUCHI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
AQUEOUS COLORING AGENT DISPERSION FOR INKJET, INK COMPOSITION, INKJ...
- Publication number 20140363642
- Publication date Dec 11, 2014
- Akira Kawaguchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
INK SET FOR INKJET RECORDING, RECORDING METHOD, AND COLORED MATERIA...
- Publication number 20130328979
- Publication date Dec 12, 2013
- Nippon Kayaku Kabushiki-Kaisha
- Shinsuke Shimizu
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
MONOAZO METAL COMPLEX, AZO-TYPE PIGMENT DISPERSANT, AND PIGMENT COM...
- Publication number 20100120951
- Publication date May 13, 2010
- NIPPON KAYAKU KABUSHIKI KAISHA
- Shinjirou Takahashi
- G02 - OPTICS