Inventor
OHNISHI TOSHIHIRO
JP28 patents
⚠️ This page may combine multiple inventors who share the name “OHNISHI TOSHIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO CHEMICAL CO
20 patentsUS5317169AMay 31, 1994
Organic electroluminescence device
SUMITOMO CHEMICAL CO318 citations99
US5726457AMar 10, 1998
Organic electroluminescence device
SUMITOMO CHEMICAL CO92 citations96
US5821002AOct 13, 1998
Polymeric fluorescent substance, production process thereof and organic electrolumescence device
SUMITOMO CHEMICAL CO101 citations95
US6544670B1Apr 8, 2003
Hole transporting polymer and organic electroluminescence device using the same
SUMITOMO CHEMICAL CO20 citations92
US6403236B1Jun 11, 2002
Polymer light emitting device
SUMITOMO CHEMICAL CO40 citations92
US6207301B1Mar 27, 2001
Polymer fluorescent substance and organic electroluminescence device
SUMITOMO CHEMICAL CO42 citations92
US5980781ANov 9, 1999
Polymeric fluorescent substance and organic electroluminescence device
SUMITOMO CHEMICAL CO20 citations92
US5759709AJun 2, 1998
Polymeric fluorescent substance and organic electroluminescence device
SUMITOMO CHEMICAL CO46 citations92
US5736066AApr 7, 1998
Optically anisotropic film
SUMITOMO CHEMICAL CO23 citations92
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
US5601884AFeb 11, 1997
Retardation film and production thereof
SUMITOMO CHEMICAL CO40 citations92
US5589320ADec 31, 1996
Polymeric fluorescent substance and organic electroluminescence devices using the same
SUMITOMO CHEMICAL CO29 citations92
US5424150AJun 13, 1995
Polymeric solid electrolyte
SUMITOMO CHEMICAL CO29 citations92
US6720091B2Apr 13, 2004
Polymeric fluorescent substance, polymeric fluorescent substance and polymer light-emitting device using the same
SUMITOMO CHEMICAL CO18 citations84
US5730899AMar 24, 1998
Optically anisotropic film
SUMITOMO CHEMICAL CO20 citations84
US5875014AFeb 23, 1999
Optically anisotropic film and liquid crystal display apparatus
SUMITOMO CHEMICAL CO16 citations74
US5543079AAug 6, 1996
Polymeric fluorescent substance and organic electroluminescence devices using the same
SUMITOMO CHEMICAL CO15 citations74
US4438262AMar 20, 1984
Highly dielectric polysaccharides
SUMITOMO CHEMICAL CO7 citations73
US6841269B2Jan 11, 2005
Hole transporting polymer and organic electroluminescence device using the same
SUMITOMO CHEMICAL CO2 citations62
AGENCY IND SCIENCE TECHN
7 patentsUS4528118AJul 9, 1985
Highly electroconductive conjugated polymer composition and process for producing the same
AGENCY IND SCIENCE TECHN37 citations92
US5064572ANov 12, 1991
Poly (long-chain nuclear substituted phenylene vinylene), precursor therefor and highly conductive composition thereof
AGENCY IND SCIENCE TECHN18 citations82
US5053166AOct 1, 1991
Hetero-arylene vinylene polymer and highly conductive composition thereof
AGENCY IND SCIENCE TECHN15 citations74
US4868284ASep 19, 1989
Process for producing stretched molded articles of conjugated polymers and highly conductive compositions of said polymers
AGENCY IND SCIENCE TECHN16 citations74
US4626588ADec 2, 1986
Conjugated polymer film and pyrolyzed product thereof
AGENCY IND SCIENCE TECHN10 citations74
US4599193AJul 8, 1986
Highly electroconductive pyrolyzed product retaining its original shape and composition formed therefrom
AGENCY IND SCIENCE TECHN17 citations74
US4791177ADec 13, 1988
Conjugated polymer film and pyrolyzed product thereof
AGENCY IND SCIENCE TECHN4 citations63