Inventor
KAWASHIMA SABURO
JP32 patents
⚠️ This page may combine multiple inventors who share the name “KAWASHIMA SABURO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUI TOATSU CHEMICALS
31 patentsUS4847349AJul 11, 1989
Polyimide and high-temperature adhesive of polyimide from meta substituted phenoxy diamines
MITSUI TOATSU CHEMICALS89 citations96
US4734482AMar 29, 1988
Polyimide from ether diamine having the indane structure and high-temperature adhesive of polyimide
MITSUI TOATSU CHEMICALS31 citations93
US5278276AJan 11, 1994
Polyimide and high-temperature adhesive of polyimide
MITSUI TOATSU CHEMICALS27 citations92
US5043419AAug 27, 1991
Process for preparing a polyimide and a composite material containing the same
MITSUI TOATSU CHEMICALS26 citations92
US4931531AJun 5, 1990
Polyimide and high-temperature adhesive thereof
MITSUI TOATSU CHEMICALS28 citations92
US4883718ANov 28, 1989
Flexible copper-clad circuit substrate
MITSUI TOATSU CHEMICALS33 citations91
US5288843AFeb 22, 1994
Polyimides, process for the preparation thereof and polyimide resin compositions
MITSUI TOATSU CHEMICALS15 citations82
US4795798AJan 3, 1989
High-temperature adhesive polyimide from 2,2-bis[4-(3-amino phenoxy)phenyl]1,1,1,3,3,3-hexafluoro propane
MITSUI TOATSU CHEMICALS22 citations82
US5300620AApr 5, 1994
Heat-resistant adhesive and method of adhesion by using adhesive
MITSUI TOATSU CHEMICALS17 citations81
US4908409AMar 13, 1990
Polyimide
MITSUI TOATSU CHEMICALS17 citations80
US5506311AApr 9, 1996
Polyimides, process for the preparation thereof and polyimide resin compositions
MITSUI TOATSU CHEMICALS8 citations74
US5380805AJan 10, 1995
Polyimides, process for the preparation thereof and polyimide resin compositions
MITSUI TOATSU CHEMICALS7 citations74
US5205894AApr 27, 1993
Polyimide and high-temperature adhesive of polyimide
MITSUI TOATSU CHEMICALS11 citations74
US5157085AOct 20, 1992
Polyimide resin composition
MITSUI TOATSU CHEMICALS8 citations74
US5087689AFeb 11, 1992
Polyimide and high-temperature adhesive of polyimide based on meta-phenoxy diamines
MITSUI TOATSU CHEMICALS6 citations74
US5086125AFeb 4, 1992
Polyimide resin composition
MITSUI TOATSU CHEMICALS15 citations74
US5041520AAug 20, 1991
Process for preparing polyimide having excellent high temperature stability
MITSUI TOATSU CHEMICALS13 citations74
US4987197AJan 22, 1991
Polyimide/polyamideimide resin composition
MITSUI TOATSU CHEMICALS13 citations74
US4959440ASep 25, 1990
Polymide for high-temperature adhesive
MITSUI TOATSU CHEMICALS10 citations74
US4797466AJan 10, 1989
High-temperature adhesive polyimide from 2,6-bis(3-aminophenoxy)pyridine
MITSUI TOATSU CHEMICALS16 citations74
US5231160AJul 27, 1993
Aromatic diamine compound, preparation process of same and polyimide prepared from same
MITSUI TOATSU CHEMICALS10 citations73
US5013817AMay 7, 1991
Process for preparing a polyimide and a composite material containing the same
MITSUI TOATSU CHEMICALS17 citations73
US4556738ADec 3, 1985
Process for preparation of 3,3'- or 3,4'-diamino benzophenone
MITSUI TOATSU CHEMICALS8 citations73
US5252700AOct 12, 1993
Heat-resistant adhesive and method of adhesion by using adhesive
MITSUI TOATSU CHEMICALS14 citations72
US4400492AAug 23, 1983
Color-developer for pressure-sensitive recording sheets
MITSUI TOATSU CHEMICALS13 citations72
US5459233AOct 17, 1995
Polyimides, process for the preparation thereof and polyimide resin compositions
MITSUI TOATSU CHEMICALS3 citations63
US4271059AJun 2, 1981
Color-developing composition for pressure-sensitive recording sheet material and process for the preparation thereof containing phenolic resin and hindered phenol
MITSUI TOATSU CHEMICALS3 citations63
US4235769ANov 25, 1980
Color-developing phenolic-aldehyde composition for pressure-sensitive recording sheet material and process for the preparation thereof
MITSUI TOATSU CHEMICALS3 citations63
US5322962AJun 21, 1994
Aromatic diamine intermediates useful in the preparation of polyimide
MITSUI TOATSU CHEMICALS0 citations52
US4618714AOct 21, 1986
Process for preparation of 3,3'- or 3,4'-diaminobenzophenones
MITSUI TOATSU CHEMICALS1 citations52
US4540818ASep 10, 1985
Process for preparation of 3,3'- or 3,4'-diaminodiphenylmethane
MITSUI TOATSU CHEMICALS0 citations52