P

Inventor

EDAGAWA SETSUJI

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

SHIRAISHI KOGYO KAISHA LTD

6 patents
US4244933AJan 13, 1981

Calcium carbonate particles and processes for preparing same

SHIRAISHI KOGYO KAISHA LTD54 citations92
US4133894AJan 9, 1979

Process for preparing precipitated calcium carbonate

SHIRAISHI KOGYO KAISHA LTD42 citations92
US4124688ANov 7, 1978

Process for preparing cubic crystals of calcium carbonate

SHIRAISHI KOGYO KAISHA LTD31 citations92
US4219590AAug 26, 1980

Method for improving calcium carbonate

SHIRAISHI KOGYO KAISHA LTD68 citations91
US4159312AJun 26, 1979

Calcium carbonate powders

SHIRAISHI KOGYO KAISHA LTD44 citations90
US4240870ADec 23, 1980

Filled paper

SHIRAISHI KOGYO KAISHA LTD9 citations73

O K TRADING CO LTD

2 patents
US4886972ADec 12, 1989

Far infrared ray emitting body of a core material coated with an ultrafine powder

O K TRADING CO LTD35 citations88
US5098700AMar 24, 1992

Far infrared ray emitting, odor-absorbing material

O K TRADING CO LTD6 citations58

KAO CORP

1 patent
US4175066ANov 20, 1979

Dispersant for calcium carbonate

KAO CORP48 citations92

TOYO DENKA KOGYO CO LTD

1 patent
US4611810ASep 16, 1986

Golf ball

TOYO DENKA KOGYO CO LTD32 citations86