Inventor
TAKEI TOSHIO
JP8 patents
⚠️ This page may combine multiple inventors who share the name “TAKEI TOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DAINIPPON INK & CHEMICALS
4 patentsUS7371870B2May 13, 2008
Benzimidazolone compound
DAINIPPON INK & CHEMICALS18 citations82
US4810297AMar 7, 1989
Process for producing dimethylaminomethyl copper phthalocyanine and/or its derivatives
DAINIPPON INK & CHEMICALS6 citations73
US4888422ADec 19, 1989
Process for producing dimethylaminomethyl copper phthalocyanine and/or its derivatives
DAINIPPON INK & CHEMICALS3 citations62
US5831083ANov 3, 1998
Production method of beta-type copper phthalocyanine pigment
DAINIPPON INK & CHEMICALS6 citations57