Inventor
ICHIHASHI TETSUO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “ICHIHASHI TETSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEIJIN LTD
13 patentsUS4446262AMay 1, 1984
Protection from ultraviolet light by use of novel ultraviolet absorber
TEIJIN LTD88 citations95
US5424121AJun 13, 1995
Biaxially oriented polyester film
TEIJIN LTD34 citations92
US4619869AOct 28, 1986
Biaxially oriented polyester film
TEIJIN LTD34 citations90
US6839171B2Jan 4, 2005
Polyester film for releasing polarizer
TEIJIN LTD14 citations83
US5380590AJan 10, 1995
Water-dispersible aromatic polyester, aqueous dispersion thereof and polyester film coated therewith which permits fast adhesion
TEIJIN LTD19 citations82
US5268420ADec 7, 1993
Aqueous polyesters, easily bondable polyester films formed by coating said aqueous polyesters, and process for producing same
TEIJIN LTD20 citations81
US7238411B2Jul 3, 2007
Multilayered polyester film and process for producing the same
TEIJIN LTD8 citations74
US4421887ADec 20, 1983
Biaxially oriented polyester films
TEIJIN LTD16 citations72
US4539389ASep 3, 1985
Biaxially oriented polyester film
TEIJIN LTD11 citations71
US5188774AFeb 23, 1993
Aromatic polyester film and process for producing the same
TEIJIN LTD13 citations69
US5457017AOct 10, 1995
Base film for photographic film
TEIJIN LTD3 citations62
US5196472AMar 23, 1993
Biaxially oriented polyester film
TEIJIN LTD3 citations61
US5593819AJan 14, 1997
Base film for photographic film
TEIJIN LTD1 citations51
TEIJIN DUPONT FILMS JAPAN LTD
5 patentsUS7026035B2Apr 11, 2006
Laminated film for optical use
TEIJIN DUPONT FILMS JAPAN LTD22 citations92
US7005176B2Feb 28, 2006
Optical adhesive polyester film
TEIJIN DUPONT FILMS JAPAN LTD42 citations92
US7160936B2Jan 9, 2007
Method of producing ultraviolet radiation absorbent
TEIJIN DUPONT FILMS JAPAN LTD0 citations50
US7057037B2Jun 6, 2006
Ultraviolet radiation absorbents for thermoplastic polymers and methods of producing same
TEIJIN DUPONT FILMS JAPAN LTD0 citations50
US6908998B2Jun 21, 2005
Method of producing ultraviolet radiation absorbent
TEIJIN DUPONT FILMS JAPAN LTD0 citations50