P

Inventor

SHIN MASAAKI

JP20 patents
⚠️ This page may combine multiple inventors who share the name “SHIN MASAAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUI TOATSU CHEMICALS

17 patents
US5202212AApr 13, 1993

Toner composition for electrophotography

MITSUI TOATSU CHEMICALS65 citations95
US4833057AMay 23, 1989

Toner composition for the electrophotography

MITSUI TOATSU CHEMICALS34 citations92
US5370958ADec 6, 1994

Electrophotographic toner and production process thereof

MITSUI TOATSU CHEMICALS19 citations82
US5084368AJan 28, 1992

Electrophotographic toner

MITSUI TOATSU CHEMICALS17 citations81
US5037715AAug 6, 1991

Resins for toner of electrophotography and method for manufacturing the same

MITSUI TOATSU CHEMICALS21 citations81
US5001031AMar 19, 1991

Electrophotographic toner comprising a color agent and a mixture of vinyl polymers as a binder

MITSUI TOATSU CHEMICALS14 citations74
US4981923AJan 1, 1991

Resins for toner of electrophotography and method for manufacturing the same

MITSUI TOATSU CHEMICALS10 citations73
US4963456AOct 16, 1990

Electrophotographic toner

MITSUI TOATSU CHEMICALS7 citations73
US4849316AJul 18, 1989

Heat fixing electrophotographic toner containing olefin wax

MITSUI TOATSU CHEMICALS15 citations69
US5427883AJun 27, 1995

Toner composition for electrophotography

MITSUI TOATSU CHEMICALS5 citations62
US5362595ANov 8, 1994

Electrophotographic toner production process

MITSUI TOATSU CHEMICALS2 citations62
US4857433AAug 15, 1989

Electrophotographic toner for high speed electrophotography

MITSUI TOATSU CHEMICALS5 citations59
US4727010AFeb 23, 1988

Electrophotographic process uses toner comprising vinyl copolymer

MITSUI TOATSU CHEMICALS6 citations59
US4405671ASep 20, 1983

Optical information recording disk

MITSUI TOATSU CHEMICALS4 citations59
US5334473AAug 2, 1994

Continuous method of treating polymer reaction mixture

MITSUI TOATSU CHEMICALS3 citations58
US5066727ANov 19, 1991

Resin for toner and toner containing same

MITSUI TOATSU CHEMICALS6 citations52
US5279915AJan 18, 1994

Toner composition for electrophotography

MITSUI TOATSU CHEMICALS1 citations51

MITSUI CHEMICALS INC

3 patents