Shuwa Ozako

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Pigment dispersing agent, pigment composition, and pigment coloring...
- Patent number 10,961,227
- Issue date Mar 30, 2021
- Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Hiromitsu Yanagimoto
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Black isoindolinone pigment and coloring agent
- Patent number 10,723,882
- Issue date Jul 28, 2020
- Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Shuwa Ozako
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pyrimidoquinazoline pigment, method for manufacturing pyrimidoquina...
- Patent number 10,655,017
- Issue date May 19, 2020
- Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Kazuki Iguchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Black azo pigment and colorant
- Patent number 10,344,166
- Issue date Jul 9, 2019
- Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Kazuki Iguchi
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
PIGMENT DISPERSING AGENT, PIGMENT COMPOSITION, AND PIGMENT COLORING...
- Publication number 20200377480
- Publication date Dec 3, 2020
- Hiromitsu YANAGIMOTO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
BLACK ISOINDOLINONE PIGMENT AND COLORING AGENT
- Publication number 20190338130
- Publication date Nov 7, 2019
- Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Shuwa OZAKO
- G02 - OPTICS
Information Patent Application
PYRIMIDOQUINAZOLINE PIGMENT, METHOD FOR MANUFACTURING PYRIMIDOQUINA...
- Publication number 20190233649
- Publication date Aug 1, 2019
- Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Kazuki IGUCHI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...