Inventor
MAKI HITOSHI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “MAKI HITOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYO INK MFG CO
10 patentsUS5472490ADec 5, 1995
Pigment composition, printing ink and coating composition
TOYO INK MFG CO22 citations91
US5817817AOct 6, 1998
Process for the production of 2,5-di(arylamino)-3,6-dihydroterephthalic acid dialkyl ester, and process for the production of quinacridone from said ester as intermediate
TOYO INK MFG CO8 citations73
US5659036AAug 19, 1997
Process for the production of 2,5-di(arylamino)-3,6-dihydroterephthalic acid dialkyl ester, and process for the production of quinacridone from said ester as intermediate
TOYO INK MFG CO7 citations73
US6989055B2Jan 24, 2006
Monoazo lake pigment composition and gravure ink using the same
TOYO INK MFG CO8 citations69
US5318626AJun 7, 1994
Process for converting 2,9-dimethylquinacridone compound into pigment
TOYO INK MFG CO5 citations62
US7001937B2Feb 21, 2006
Process for producing colored resin composition and utilization thereof
TOYO INK MFG CO4 citations61
US6303762B1Oct 16, 2001
Method of producing disazo pigment
TOYO INK MFG CO2 citations61
US5622555AApr 22, 1997
Process for the production of dis-azo pigment
TOYO INK MFG CO2 citations59
US5610306AMar 11, 1997
Process for the production of 6,13-dihydroquinacridones and apparatus for use for the production
TOYO INK MFG CO4 citations59
US5808154ASep 15, 1998
Process for the production of an aromatic hydrazo compound
TOYO INK MFG CO0 citations51