Toshio Oshiba

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of β type copper phthalocyanine pigment...
- Patent number 7,255,733
- Issue date Aug 14, 2007
- Toyo Ink Mfg. Co., Ltd.
- Osamu Shiromaru
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the production of β type copper phthalocyanine pigment
- Patent number 6,860,934
- Issue date Mar 1, 2005
- Toyo Ink Mfg. Co., Ltd.
- Osamu Shiromaru
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Pigment yellow 74 and printing ink composition
- Patent number 6,692,559
- Issue date Feb 17, 2004
- Toyo Ink Manufacturing Company
- Takayoshi Ishigami
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Process for the production of beta type copper phthalocyanine pigme...
- Publication number 20040260083
- Publication date Dec 23, 2004
- Osamu Shiromaru
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PROCESS FOR THE PRODUCTION OF BETA TYPE COPPER PHTHALOCYANINE PIGMENT
- Publication number 20040250734
- Publication date Dec 16, 2004
- Osamu Shiromaru
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Pigment yellow 74 and printing ink composition
- Publication number 20030140819
- Publication date Jul 31, 2003
- Takayoshi Ishigami
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...