Katsuhira Yoshida

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Kochi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hetero-polycyclic compounds, and coloring matters, pigments, dyes,...
- Patent number 7,420,065
- Issue date Sep 2, 2008
- Idemitsu Kosan Co., Ltd.
- Katsuhira Yoshida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heteropolycyclic compound and dye
- Patent number 7,408,072
- Issue date Aug 5, 2008
- Kochi University
- Katsuhira Yoshida
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Metal-containing indoaniline compound and optical recording medium...
- Patent number 4,990,433
- Issue date Feb 5, 1991
- Mitsubishi Kasei Corporation
- Katsuhira Yoshida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Metal-containing indoaniline compound and optical recording medium...
- Patent number 4,873,332
- Issue date Oct 10, 1989
- Mitsubishi Chemical Industries Limited
- Katsuhira Yoshida
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
HETERO-POLYCYCLIC COMPOUNDS, AND COLORING MATTERS, PIGMENTS, DYES,...
- Publication number 20090043116
- Publication date Feb 12, 2009
- Idemitsu Kosan Co., Ltd.
- Katsuhira YOSHIDA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
HETERO-POLYCYCLIC COMPOUNDS, AND COLORING MATTERS, PIGMENTS, DYES,...
- Publication number 20080290329
- Publication date Nov 27, 2008
- Idemitsu Kosan Co., Ltd.
- Katsuhira Yoshida
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Heteropolycyclic compound and dye
- Publication number 20070185338
- Publication date Aug 9, 2007
- Kochi University
- Katsuhira Yoshida
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Hetero-polycyclic compounds, and coloring matters, pigments, dyes,...
- Publication number 20060235060
- Publication date Oct 19, 2006
- Idemitsu Kosan Co., Ltd.
- Katsuhira Yoshida
- C07 - ORGANIC CHEMISTRY