Inventor
HIGASHI KOJI
JP28 patents
⚠️ This page may combine multiple inventors who share the name “HIGASHI KOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
21 patentsUS6060183AMay 9, 2000
Phase retarder and liquid crystal display device using the same
SUMITOMO CHEMICAL CO61 citations96
US5061042AOct 29, 1991
Phase retarder and liquid crystal display using the same
SUMITOMO CHEMICAL CO70 citations93
US5693253ADec 2, 1997
Optically anisotropic material, process for producing it, and retardation plate and liquid crystal device using same
SUMITOMO CHEMICAL CO19 citations92
US5688436ANov 18, 1997
Optically anisotropic material, process for producing it, and retardation plate and liquid crystal display device using same
SUMITOMO CHEMICAL CO42 citations92
US5430566AJul 4, 1995
Liquid crystal device with phase retarder having layered inorganic compound
SUMITOMO CHEMICAL CO40 citations92
US5285303AFeb 8, 1994
Phase retarder and process for producing the same
SUMITOMO CHEMICAL CO28 citations92
US4802745AFeb 7, 1989
Light-polarizing films
SUMITOMO CHEMICAL CO28 citations92
US6208396B1Mar 27, 2001
Normally white mode twisted nematic liquid crystal display device having improved viewing angle characteristics
SUMITOMO CHEMICAL CO32 citations91
US5474731ADec 12, 1995
Process for producing phase retarder film
SUMITOMO CHEMICAL CO21 citations91
US5366682ANov 22, 1994
Process for producing phase retarder
SUMITOMO CHEMICAL CO36 citations91
US5888634AMar 30, 1999
Phase retarder film
SUMITOMO CHEMICAL CO14 citations82
US5658505AAug 19, 1997
Process for making a phase retarder film
SUMITOMO CHEMICAL CO16 citations82
US5082601AJan 21, 1992
Light-polarizing films
SUMITOMO CHEMICAL CO16 citations82
US7820252B2Oct 26, 2010
Transflective film, transflective polarizer, and polarizing light source device and liquid crystal display device using the same
SUMITOMO CHEMICAL CO9 citations79
US5631755AMay 20, 1997
Layered inorganic compound-containing phase retarder
SUMITOMO CHEMICAL CO12 citations73
US6097460AAug 1, 2000
Phase retarder film containing TiO2
SUMITOMO CHEMICAL CO15 citations72
US5926313AJul 20, 1999
Phase retarder film
SUMITOMO CHEMICAL CO10 citations72
US5354512AOct 11, 1994
Dye-containing polarizing film
SUMITOMO CHEMICAL CO17 citations71
US5310509AMay 10, 1994
Dye-containing light-polarizing film
SUMITOMO CHEMICAL CO18 citations70
US6807005B2Oct 19, 2004
Polarizer, polarizing light source device and liquid crystal display
SUMITOMO CHEMICAL CO6 citations63
US6762266B2Jul 13, 2004
Phase retarder
SUMITOMO CHEMICAL CO3 citations61