Inventor
TSUKAMOTO RYOJI
JP15 patents
⚠️ This page may combine multiple inventors who share the name “TSUKAMOTO RYOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEIJIN LTD
13 patentsUS6372343B1Apr 16, 2002
Crimped polyester fiber and fibrous structure comprising the same
TEIJIN LTD20 citations92
US6521552B1Feb 18, 2003
Water vapor-permeable, waterproof fabric
TEIJIN LTD50 citations91
US6177192B1Jan 23, 2001
Polyethylene naphthalate fiber
TEIJIN LTD17 citations83
US6124043ASep 26, 2000
Biaxially oriented film
TEIJIN LTD18 citations83
US6740402B2May 25, 2004
Polyester fiber
TEIJIN LTD9 citations73
US7544762B2Jun 9, 2009
Catalyst for preparation of polyester and process for preparing polyester using the catalyst
TEIJIN LTD7 citations72
US6525165B1Feb 25, 2003
Trimethylene-2, 6-naphthalene dicarboxylate (co)polymer film, quaternary phosphonium sulfonate copolymer and compositions thereof
TEIJIN LTD11 citations72
US5876851AMar 2, 1999
Film from polycarbonate, polyester to be laminated on metal
TEIJIN LTD7 citations72
US7189797B2Mar 13, 2007
Process for producing poly(ethylene-aromatic dicarboxylate ester) resin and resin product
TEIJIN LTD7 citations71
US7335719B2Feb 26, 2008
Polyester based on poly(trimethylene terephthalate)
TEIJIN LTD2 citations62
US6048627AApr 11, 2000
Biaxially oriented polyethylene naphthalate copolymer film
TEIJIN LTD3 citations61
US5451359ASep 19, 1995
Process for producing high molecular weight polyester fibers
TEIJIN LTD1 citations51
US10550241B2Feb 4, 2020
Polytrimethylene terephthalate composition, polyester fiber, and methods for producing the same
TEIJIN LTD0 citations41