Inventor
KOYANAGI TADASHI
JP17 patents
⚠️ This page may combine multiple inventors who share the name “KOYANAGI TADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI CHEMICAL IND
13 patentsUS6620505B1Sep 16, 2003
Poly(trimethylene terephthalate) modified cross-section yarn
ASAHI CHEMICAL IND19 citations92
US6555220B1Apr 29, 2003
Composite fiber having favorable post-treatment processibility and method for producing the same
ASAHI CHEMICAL IND33 citations90
US4986483AJan 22, 1991
Winder of synthetic yarn, cheese-like yarn package of synthetic yarn, and method for winding the same
ASAHI CHEMICAL IND27 citations87
US6673443B2Jan 6, 2004
Polyester conjugate fiber pirn and method for producing same
ASAHI CHEMICAL IND19 citations84
US6673444B2Jan 6, 2004
Monofilament yarn and process for producing the same
ASAHI CHEMICAL IND17 citations83
US6689461B2Feb 10, 2004
False twisted yarn of polyester composite fiber and method for production thereof
ASAHI CHEMICAL IND18 citations82
US5281476AJan 25, 1994
Crimped multifilament and method for manufacturing the same
ASAHI CHEMICAL IND19 citations78
US6572967B1Jun 3, 2003
Poly(trimethylene terephthalate) multifilament yarn
ASAHI CHEMICAL IND7 citations73
US6949210B2Sep 27, 2005
Composite fiber having favorable post-treatment processibility and method for producing the same
ASAHI CHEMICAL IND6 citations71
US6846560B2Jan 25, 2005
Conjugate fiber and method of producing same
ASAHI CHEMICAL IND6 citations63
US6709689B2Mar 23, 2004
Drawn yarn package and production method therefor
ASAHI CHEMICAL IND2 citations63
US6682815B2Jan 27, 2004
Stretched yarn pirn
ASAHI CHEMICAL IND6 citations63
US7163742B2Jan 16, 2007
Pre-oriented yarn package
ASAHI CHEMICAL IND1 citations52