Inventor
KITAGAWA TOORU
JP19 patents
⚠️ This page may combine multiple inventors who share the name “KITAGAWA TOORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYO BOSEKI
13 patentsUS5772942AJun 30, 1998
Processes for producing polybenzazole fibers
TOYO BOSEKI56 citations94
US7649025B2Jan 19, 2010
Composite ion-exchange membrane
TOYO BOSEKI40 citations90
US6040050AMar 21, 2000
Polybenzazole fiber having high tensile modulus and process of manufacture thereof
TOYO BOSEKI42 citations90
US6884506B2Apr 26, 2005
Polybenzazole fiber
TOYO BOSEKI8 citations73
US7141301B2Nov 28, 2006
High strength polyethylene fiber
TOYO BOSEKI10 citations72
US6899950B2May 31, 2005
High strength polyethylene fiber
TOYO BOSEKI10 citations72
US5993963ANov 30, 1999
Polybenzazole fiber and method for production thereof
TOYO BOSEKI7 citations72
US7811673B2Oct 12, 2010
High strength polyethylene fiber
TOYO BOSEKI5 citations61
US5171506ADec 15, 1992
Process for producing polyester fibers
TOYO BOSEKI3 citations61
US7868126B2Jan 11, 2011
Process for producing polyester, polyester produced using said process, and polyester molded product
TOYO BOSEKI5 citations59
US6673445B2Jan 6, 2004
Polybenzazole fibers and their utilization
TOYO BOSEKI1 citations50
US9550153B2Jan 24, 2017
Porous polymer flat-sheet membrane
TOYO BOSEKI0 citations42
US10814289B2Oct 27, 2020
Separation membrane, separation membrane element and separation membrane module
TOYO BOSEKI0 citations31