Inventor
TAKEDA HISAO
JP13 patents
⚠️ This page may combine multiple inventors who share the name “TAKEDA HISAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KYORITSU YUKI CO LTD
4 patentsUS4929655AMay 29, 1990
Process for production of water-soluble polymer dispersion
KYORITSU YUKI CO LTD177 citations96
US5006590AApr 9, 1991
Process for the preparation of dispersion of water-soluble cationic polymer
KYORITSU YUKI CO LTD132 citations95
US4155847AMay 22, 1979
Cationic polymer flocculant prepared by reacting epichlorohydrin and a Mannich reaction product
KYORITSU YUKI CO LTD34 citations89
US4370464AJan 25, 1983
Cationic polymer flocculant
KYORITSU YUKI CO LTD9 citations70
HYMO CORP
4 patentsUS5708071AJan 13, 1998
Aqueous dispersion of an amphoteric water-soluble polymer, a method of manufacturing the same, and a treating agent comprising the same
HYMO CORP31 citations92
US5587415ADec 24, 1996
Process for preparation of dispersion of water-soluble cationic polymer the dispersion produced thereby and its use
HYMO CORP42 citations92
US5464516ANov 7, 1995
Process for producing an electrophoresis separation layer
HYMO CORP46 citations88
US6187853B1Feb 13, 2001
Process for the preparation of dispersions using viscosity-increase inhibitors of water-soluble polymers
HYMO CORP9 citations70
AMERICAN COLLOID CO
3 patentsUS4525527AJun 25, 1985
Production process for highly water absorbable polymer
AMERICAN COLLOID CO101 citations95
US4618631AOct 21, 1986
Production process for highly water absorbable polymer
AMERICAN COLLOID CO36 citations92
US4612250ASep 16, 1986
Production process for highly water absorbable polymer
AMERICAN COLLOID CO15 citations81