Inventor
AKAHORI HIROYUKI
JP10 patents
Patents
10 patentsUS4931420AJun 5, 1990
Temperature history indicator and its manufacturing method
MITSUI TOATSU CHEMICALS37 citations90
US5235104AAug 10, 1993
Hydrazones and electrophotographic photoreceptors comprising them
MITSUI TOATSU CHEMICALS9 citations73
US5132190AJul 21, 1992
Hydrozones and electrophotographic photoreceptors comprising them
MITSUI TOATSU CHEMICALS8 citations73
US4480002AOct 30, 1984
Dyestuff-containing microscopic capsule suspension for record materials
MITSUI TOATSU CHEMICALS7 citations73
US4398753AAug 16, 1983
Pressure sensitive recording unit
MITSUI TOATSU CHEMICALS16 citations73
US4997874AMar 5, 1991
Aqueous suspension and preparation method thereof
MITSUI TOATSU CHEMICALS7 citations63
US4735744AApr 5, 1988
Novel benzoquinone derivatives and production process thereof as well as use as color-developers suitable for recording materials
MITSUI TOATSU CHEMICALS5 citations62
US4632987ADec 30, 1986
Process for the preparation of triarylmethane compounds
MITSUI TOATSU CHEMICALS4 citations62
US4561000ADec 24, 1985
Heat-sensitive recording unit
MITSUI TOATSU CHEMICALS2 citations62
US4384871AMay 24, 1983
Dyestuff-containing microscopic capsule dispersion for record materials
MITSUI TOATSU CHEMICALS3 citations62