Inventor
SAWAKI TORU
JP30 patents
⚠️ This page may combine multiple inventors who share the name “SAWAKI TORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEIJIN LTD
29 patentsUS4628001ADec 9, 1986
Pitch-based carbon or graphite fiber and process for preparation thereof
TEIJIN LTD78 citations95
US6448365B1Sep 10, 2002
Aromatic polycarbonate composition
TEIJIN LTD22 citations92
US6252036B1Jun 26, 2001
Process for producing polycarbonate resin
TEIJIN LTD54 citations91
US6252034B1Jun 26, 2001
Process for producing a polycarbonate resin
TEIJIN LTD44 citations89
US6613128B1Sep 2, 2003
Twin screw extruder, method of making aromatic polycarbonate using a twin screw extruder, and method of removing volatiles from an aromatic polycarbonate melt
TEIJIN LTD14 citations82
US6323302B1Nov 27, 2001
Carbonic acid diester, aromatic polycarbonate and facilities, and preparation thereof
TEIJIN LTD15 citations82
US4100180AJul 11, 1978
Process for hydrogenating unsaturated aldehydes to unsaturated alcohols
TEIJIN LTD21 citations82
US5091271AFeb 25, 1992
Shaped silion carbide-eased ceramic article
TEIJIN LTD7 citations73
US4507467AMar 26, 1985
Wholly aromatic halogenated polyamide fiber and film
TEIJIN LTD17 citations73
US6605686B2Aug 12, 2003
Method for producing an aromatic polycarbonate and method of keeping raw materials thereof
TEIJIN LTD9 citations72
US6472496B2Oct 29, 2002
Process for production of aromatic polycarbonate resin and molded article of aromatic polycarbonate resin
TEIJIN LTD7 citations72
US6407199B1Jun 18, 2002
Polycarbonate resin composition optical recording medium, and substrate therefor
TEIJIN LTD10 citations72
US6265524B1Jul 24, 2001
Process for the preparation of aromatic polycarbonate
TEIJIN LTD12 citations72
US7585930B2Sep 8, 2009
Method of decomposing a polycarbonate
TEIJIN LTD6 citations71
US7517832B2Apr 14, 2009
Fibrous active carbon and nonwoven fabric including the same
TEIJIN LTD7 citations71
US6562936B1May 13, 2003
Apparatus and method for producing resin
TEIJIN LTD11 citations71
US6380345B1Apr 30, 2002
Process for producing polycarbonates
TEIJIN LTD13 citations71
US5929192AJul 27, 1999
Process for producing aromatic polycarbonate resin
TEIJIN LTD10 citations69
US4482603ANov 13, 1984
Wholly aromatic polyamide fiber non-woven sheet and processes for producing the same
TEIJIN LTD10 citations69
US5816697AOct 6, 1998
Viscous liquid stirring device and a process for producing polycarbonate by using the stirring device
TEIJIN LTD10 citations68
US7700064B2Apr 20, 2010
Carbon fiber
TEIJIN LTD5 citations62
US6471877B1Oct 29, 2002
Filter device for polycarbonate and production method for polycarbonate
TEIJIN LTD6 citations62
US4948574AAug 14, 1990
Method of manufacturing of pitch-base carbon fiber
TEIJIN LTD5 citations62
US4897229AJan 30, 1990
Process for producing a shaped silicon carbide-based ceramic article
TEIJIN LTD3 citations62
US4840762AJun 20, 1989
Process for preparation of high-performance grade carbon fibers
TEIJIN LTD6 citations62
US6670440B2Dec 30, 2003
Production process and production system of aromatic polycarbonate
TEIJIN LTD2 citations61
US6525171B2Feb 25, 2003
Process for producing a polycarbonate and method of cleaning a production unit
TEIJIN LTD2 citations61
US4082804AApr 4, 1978
Process for preparing 2-amino-1-butanol by reaction of the tartarate with an alkaline earth metal compound
TEIJIN LTD0 citations49
US3953472AApr 27, 1976
Method for separating lactones from a mixture containing lactones
TEIJIN LTD0 citations35