Inventor
IMAI CHIHIRO
JP18 patents
⚠️ This page may combine multiple inventors who share the name “IMAI CHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOA NENRYO KOGYO KK
17 patentsUS4686199AAug 11, 1987
Process for producing a catalyst component for polymerization of olefins
TOA NENRYO KOGYO KK31 citations92
US4683275AJul 28, 1987
Methylstyrene maleimide copolymer
TOA NENRYO KOGYO KK36 citations92
US4647550AMar 3, 1987
Catalyst component for polymerization of olefins
TOA NENRYO KOGYO KK22 citations79
US4966981AOct 30, 1990
Process for preparing epoxy group-containing silanes
TOA NENRYO KOGYO KK21 citations76
US4402863ASep 6, 1983
Magnesium-containing solid
TOA NENRYO KOGYO KK6 citations74
US4849483AJul 18, 1989
Process for producing a catalyst component for polymerization of olefins
TOA NENRYO KOGYO KK13 citations73
US4820674AApr 11, 1989
Process for preparing a hydrosilylation catalyst
TOA NENRYO KOGYO KK15 citations73
US4704438ANov 3, 1987
Novel styrene copolymer
TOA NENRYO KOGYO KK9 citations73
US4704433ANov 3, 1987
Block copolymer containing a methacrylate ester block
TOA NENRYO KOGYO KK7 citations73
US4678767AJul 7, 1987
Process for producing a catalyst component for polymerization of olefins
TOA NENRYO KOGYO KK6 citations73
US4912170AMar 27, 1990
Process for producing a modified styrene polymer
TOA NENRYO KOGYO KK10 citations72
US4888436ADec 19, 1989
Process for preparing aminopropyl alkoxy silanes
TOA NENRYO KOGYO KK8 citations71
US4426314AJan 17, 1984
Magnesium-containing solid
TOA NENRYO KOGYO KK2 citations63
US4921901AMay 1, 1990
Block copolymers having ethylene-propylene copolymer blocks and methacrylate ester polymer blocks
TOA NENRYO KOGYO KK3 citations62
US4788261ANov 29, 1988
Polyarylene sulfide resin composition
TOA NENRYO KOGYO KK4 citations58
US4737555AApr 12, 1988
Process for producing a catalyst component for polymerization of olefins
TOA NENRYO KOGYO KK0 citations51
US4801654AJan 31, 1989
Block copolymer containing block from tetrahydrofuran
TOA NENRYO KOGYO KK1 citations50