Hitoshi Sugamo

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a disazo pigment and disazo pigment manufac...
- Patent number 5,958,128
- Issue date Sep 28, 1999
- Toyo Ink Manufacturing Co., Ltd.
- Yoshimi Kikuchi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Aqueous pigment paste for offset ink, process for producing the pas...
- Patent number 5,882,394
- Issue date Mar 16, 1999
- Toyo Ink Manufacturing Co., Ltd.
- Hitoshi Sugamo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the production of dis-azo pigment whose amine content i...
- Patent number 5,489,672
- Issue date Feb 6, 1996
- Toyo Ink Manufacturing Co., Ltd.
- Osamu Shiromaru
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the production of monoazo lake pigment coated with wate...
- Patent number 5,243,031
- Issue date Sep 7, 1993
- Toyo Ink Manufacturing Co., Ltd.
- Hitoshi Sugamo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for production of monoazo lake coated with water-insoluble...
- Patent number 5,144,014
- Issue date Sep 1, 1992
- Toyo Ink Manufacturing Co., Ltd.
- Hitoshi Sugamo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...