Kenji Kitamura

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Monoazo lake pigment composition and gravure ink using the same
- Patent number 6,989,055
- Issue date Jan 24, 2006
- Toyo Ink Mfg. Co., Ltd.
- Kenji Kitamura
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Pigment composition and aqueous pigment dispersion product using th...
- Patent number 6,379,451
- Issue date Apr 30, 2002
- Toyo Ink Mfg. Co., Ltd.
- Kenji Kitamura
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method of producing disazo pigment
- Patent number 6,303,762
- Issue date Oct 16, 2001
- Toyo Ink Mfg. Co., Ltd.
- Hitoshi Maki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dispersant-containing disazo pigment composition
- Patent number 5,034,063
- Issue date Jul 23, 1991
- Toyo Ink Manufacturing Co., Ltd.
- Yoshie Suzuki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Phthalocyanine pigment compositions
- Patent number 4,221,606
- Issue date Sep 9, 1980
- Toyo Ink Manufacturing Co., Ltd.
- Takenori Funatsu
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
Monoazo lake pigment composition and gravure ink using the same
- Publication number 20040025748
- Publication date Feb 12, 2004
- Kenji Kitamura
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Method of producing disazo pigment
- Publication number 20010041793
- Publication date Nov 15, 2001
- TOYO INK Mfg. Co., Ltd.
- Hitoshi Maki
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...