Inventor
KIKUGA TOYOJI
10 patents
Patents
10 patentsUS4082661AApr 4, 1978
Activated carbon and preparation thereof
SUMITOMO DUREZ CO32 citations90
US4216300AAug 5, 1980
Color developer for pressure-sensitive copying paper
SUMITOMO DUREZ CO11 citations73
US4216299AAug 5, 1980
Color developer for pressure-sensitive copying paper
SUMITOMO DUREZ CO12 citations73
US4115327ASep 19, 1978
Phenolic resin color developing compositions for copying papers and methods of preparation
SUMITOMO DUREZ CO10 citations73
US4112160ASep 5, 1978
Solid adherend substrates bonded with rubber cement compositions
SUMITOMO DUREZ CO15 citations70
US4007233AFeb 8, 1977
Rubber cement compositions
SUMITOMO DUREZ CO19 citations70
US3969321AJul 13, 1976
Manufacturing process for producing reaction products of phenol-formaldehyde resins with liquid chain-growth polymers of hydrocarbon dienes
SUMITOMO DUREZ CO10 citations70
US4122211AOct 24, 1978
Process for coating electric or electronic elements
SUMITOMO DUREZ CO13 citations69
US4412045AOct 25, 1983
Color developer for pressure-sensitive copying paper
SUMITOMO DUREZ CO2 citations62
US4409374AOct 11, 1983
Color developer for pressure-sensitive copying paper
SUMITOMO DUREZ CO2 citations62