Inventor
URA TOMOKATSU
JP3 patents
Patents
3 patentsUS6670030B1Dec 30, 2003
Biaxially oriented laminate polyester film for magnetic recording medium
TEIJIN LTD24 citations90
US6525165B1Feb 25, 2003
Trimethylene-2, 6-naphthalene dicarboxylate (co)polymer film, quaternary phosphonium sulfonate copolymer and compositions thereof
TEIJIN LTD11 citations72
US6228975B1May 8, 2001
Polyalkylene naphthalate, composition thereof, film, and processes for producing these
TEIJIN LTD0 citations49