P

Inventor

NOGUCHI TAKANOBU

JP53 patents
⚠️ This page may combine multiple inventors who share the name “NOGUCHI TAKANOBU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO CHEMICAL CO

41 patents
US5317169AMay 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
US6602969B2Aug 5, 2003

Polymeric fluorescent substance and polymer light-emitting device

SUMITOMO CHEMICAL CO19 citations93
US6544670B1Apr 8, 2003

Hole transporting polymer and organic electroluminescence device using the same

SUMITOMO CHEMICAL CO20 citations92
US6521359B1Feb 18, 2003

Polymeric fluorescent substance and polymer light emitting device

SUMITOMO CHEMICAL CO45 citations92
US6403236B1Jun 11, 2002

Polymer light emitting device

SUMITOMO CHEMICAL CO40 citations92
US6403237B1Jun 11, 2002

Polymeric fluorescent substance and organic electroluminescence device

SUMITOMO CHEMICAL CO31 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
US6905785B2Jun 14, 2005

Polymeric fluorescent substance, production thereof and polymer light-emitting device

SUMITOMO CHEMICAL CO19 citations88
US8012603B2Sep 6, 2011

Polymer compound and polymer light-emitting device using the same

SUMITOMO CHEMICAL CO8 citations84
US6926973B2Aug 9, 2005

Copolymer, polymer composition and polymer light-emitting device

SUMITOMO CHEMICAL CO13 citations84
US6720091B2Apr 13, 2004

Polymeric fluorescent substance, polymeric fluorescent substance and polymer light-emitting device using the same

SUMITOMO CHEMICAL CO18 citations84
US4155946AMay 22, 1979

Process for dimerizing lower alpha-olefins

SUMITOMO CHEMICAL CO23 citations82
US4054612AOct 18, 1977

Process for producing liquid polymer

SUMITOMO CHEMICAL CO28 citations81
US7297415B2Nov 20, 2007

Processes for producing polymeric fluorescent material and polymeric luminescent element

SUMITOMO CHEMICAL CO9 citations74
US7255936B2Aug 14, 2007

Polymeric fluorescent substance and polymer light-emitting device using the same

SUMITOMO CHEMICAL CO8 citations74
US5543079AAug 6, 1996

Polymeric fluorescent substance and organic electroluminescence devices using the same

SUMITOMO CHEMICAL CO15 citations74
US7982212B2Jul 19, 2011

Copolymer and polymer light emitting device using the same

SUMITOMO CHEMICAL CO4 citations63
US7258932B2Aug 21, 2007

Polymeric fluorescent substrate and polymer light-emitting device using the same

SUMITOMO CHEMICAL CO6 citations63
US7662478B2Feb 16, 2010

Polymer and polymer light-emitting device using the same

SUMITOMO CHEMICAL CO2 citations62
US7244515B2Jul 17, 2007

Polymeric fluorescent substance and polymer light-emitting device using the same

SUMITOMO CHEMICAL CO7 citations62
US6994921B2Feb 7, 2006

Polymeric fluorescent substance and polymer light emitting device

SUMITOMO CHEMICAL CO4 citations62
US6841269B2Jan 11, 2005

Hole transporting polymer and organic electroluminescence device using the same

SUMITOMO CHEMICAL CO2 citations62
US4052473AOct 4, 1977

Process for producing liquid polymer

SUMITOMO CHEMICAL CO5 citations62
US4259395AMar 31, 1981

Process for preparation of resin composition useful for laminated sheet

SUMITOMO CHEMICAL CO3 citations60
US4291148ASep 22, 1981

Process for preparation of a phenolic-polybutadiene-HCHO resin composition useful for laminated sheet

SUMITOMO CHEMICAL CO2 citations58
US4336347AJun 22, 1982

Process for production of phenolic resin modified with liquid polybutadiene

SUMITOMO CHEMICAL CO4 citations57
US4143085AMar 6, 1979

Method for isolating low molecular weight polymer

SUMITOMO CHEMICAL CO5 citations57
US7396571B2Jul 8, 2008

Polymeric fluorescent substance and polymer light-emitting device

SUMITOMO CHEMICAL CO0 citations52
US7256245B2Aug 14, 2007

Polymeric fluorescent substance and polymer light-emitting device

SUMITOMO CHEMICAL CO0 citations52
US7985810B2Jul 26, 2011

Polymer compound and polymer light emitting device using the same

SUMITOMO CHEMICAL CO1 citations51
US7357990B2Apr 15, 2008

Polymeric fluorescent material, process for producing the same, and polymeric luminiscent element

SUMITOMO CHEMICAL CO0 citations42
US7125930B2Oct 24, 2006

Block copolymer and polymeric luminescent element

SUMITOMO CHEMICAL CO0 citations42

AGENCY IND SCIENCE TECHN

7 patents

SUMITO CHEMICAL

1 patent

NOGUCHI TAKANOBU

1 patent

Showing the top 50 of 53 patents by PatentIndex Score.