Inventor
SUGAMO HITOSHI
JP5 patents
Patents
5 patentsUS5144014ASep 1, 1992
Process for production of monoazo lake coated with water-insoluble metal salt of rosin
TOYO INK MFG CO9 citations71
US5882394AMar 16, 1999
Aqueous pigment paste for offset ink, process for producing the paste, and use thereof
TOYO INK MFG CO10 citations67
US5243031ASep 7, 1993
Process for the production of monoazo lake pigment coated with water-insoluble rosin and improved in lipophilic nature and water resistance
TOYO INK MFG CO4 citations60
US5489672AFeb 6, 1996
Process for the production of dis-azo pigment whose amine content is small, and pigment produced by said process
TOYO INK MFG CO2 citations59
US5958128ASep 28, 1999
Method of manufacturing a disazo pigment and disazo pigment manufactured thereby
TOYO INK MFG CO1 citations50