Inventor · disambiguated record
Tsutomu Nagahama
Also filed as: NAGAHAMA TSUTOMU
35 granted patents·9 pending applications·169 citations·filing 1979–2018
97Inventor score
Top patents by PatentIndex Score
44 records- 0195US7903340B2Anti-glare film, method for manufacturing the same, and display device using the sameSONY CORP·Filed 2010·Granted Mar 8, 2011·15 cites·3 claims
- 0290US7567383B2Anti-glare film, method for manufacturing the same, and display device using the sameSONY CORP·Filed 2008·Granted Jul 28, 2009·17 cites·9 claims
- 0388US9588267B2Optical element and method for producing the sameDEXERIALS CORP·Filed 2015·Granted Mar 7, 2017·2 cites·20 claims
- 0487US8854736B2Optical body, window member, fitting, solar shading device, and buildingYOSHIDA HIRONORI·Filed 2011·Granted Oct 7, 2014·8 cites·22 claims
- 0585US8325418B2Optical film, its manufacturing method, anti-glare polarizer using the same, and display apparatusNAGAHAMA TSUTOMU·Filed 2008·Granted Dec 4, 2012·14 cites·26 claims
- 0680US8304055B2Anti-glare film and display deviceHAGA YUMI·Filed 2008·Granted Nov 6, 2012·12 cites·12 claims
- 0780US7997743B2Optical film and manufacturing method therefor, antiglare film, optical layer-attached polarizer, and dispaly apparatusSONY CORP·Filed 2009·Granted Aug 16, 2011·9 cites·12 claims
- 0880US7751121B2Anti-glare film, method for manufacturing the same, and display device using the sameSONY CORP·Filed 2009·Granted Jul 6, 2010·7 cites·3 claims
- 0979US9964676B2Optical element, window material, fitting, solar shading device, and buildingNAGAHAMA TSUTOMU·Filed 2012·Granted May 8, 2018·10 cites·13 claims
- 1078US9132608B2Wavelength selective optical element for reflecting lightNAGAHAMA TSUTOMU·Filed 2009·Granted Sep 15, 2015·2 cites·20 claims
- 1178US8970949B2Optical body with suppressed change in color tone and window member, fitting, and solar shading including the optical bodySUZUKI MASAKI·Filed 2011·Granted Mar 3, 2015·5 cites·25 claims
- 1278US8199406B2Optical element and method for manufacturing the sameTAKENAKA HIROYA·Filed 2011·Granted Jun 12, 2012·7 cites·18 claims
- 1378US7776389B2Method for producing anti-glare filmSONY CORP·Filed 2008·Granted Aug 17, 2010·4 cites·15 claims
- 1477US9063287B2Optical body with diffusion reflectivity, wall member, fitting, and solar shading deviceNAGAHAMA TSUTOMU·Filed 2011·Granted Jun 23, 2015·5 cites·18 claims
- 1576US7480097B2Light diffusion sheet and method of producing the light diffusion sheet, and screenSONY CORP·Filed 2005·Granted Jan 20, 2009·7 cites·10 claims
- 1674US8081385B2Antiglare film, method for manufacturing antiglare film, polarizer, and display deviceMATSUMURA SHINICHI·Filed 2008·Granted Dec 20, 2011·8 cites·16 claims
- 1773US8477414B2Optical element, window material, fitting, and insolation shielding deviceSUZUKI MASAKI·Filed 2011·Granted Jul 2, 2013·4 cites·22 claims
- 1873US7626761B2Fly's-eye lens sheet having light-shielding layer, method for fabricating the same, transmissive screen, and rear projection image display deviceSONY CORP·Filed 2006·Granted Dec 1, 2009·6 cites·19 claims
- 1972US8974065B2Optical body, wall member, fitting, solar shading device, and buildingYOSHIDA HIRONORI·Filed 2011·Granted Mar 10, 2015·1 cites·17 claims
- 2072US7710644B2Method for producing mold for use in duplicating light diffusion sheet, light diffusion sheet and method for producing the same, and screenSONY CORP·Filed 2008·Granted May 4, 2010·4 cites·4 claims
- 2172US7359118B2Method for producing mold for use in duplicating light diffusion sheet, light diffusion sheet and method for producing the same, and screenSONY CORP·Filed 2005·Granted Apr 15, 2008·4 cites·14 claims
- 2264US8182899B2Anti-glare film, method of manufacturing the same, and display apparatus using the sameNAGAHAMA TSUTOMU·Filed 2008·Granted May 22, 2012·3 cites·7 claims
- 2363US7990618B2Light-diffusing film and screen including the sameSONY CORP·Filed 2005·Granted Aug 2, 2011·2 cites·5 claims
- 2462US7375883B2Lens sheet, transmission type screen, and rear projection type displaySONY CORP·Filed 2006·Granted May 20, 2008·1 cites·8 claims
- 2561US2019086596A1Optical element and method for producing the sameDEXERIALS CORP·Filed 2018·Application pending·0 cites
- 2660US8672492B2Optical film and method for manufacturing the same, antiglare film, polarizer with optical layer, and display apparatusNAGAHAMA TSUTOMU·Filed 2009·Granted Mar 18, 2014·2 cites·19 claims
- 2756US9069129B2Optical body, optical body manufacturing method, solar shading member, window member, interior member, and fittingKAGEYAMA MASAMITSU·Filed 2011·Granted Jun 30, 2015·3 cites·22 claims
- 2854US10132972B2Optical element and method for producing the sameDEXERIALS CORP·Filed 2017·Granted Nov 20, 2018·0 cites·19 claims
- 2954US2018136376A1Optical memberDEXERIALS CORP·Filed 2017·Application pending·0 cites
- 3051US11531144B2Optical body, diffuser plate, display device, projection device, and lighting deviceDEXERIALS CORP·Filed 2017·Granted Dec 20, 2022·0 cites·11 claims
- 3150US8420161B2Method for producing anti-glare filmWATANABE HITOSHI·Filed 2010·Granted Apr 16, 2013·0 cites·7 claims
- 3249US11513270B2Optical bodyDEXERIALS CORP·Filed 2018·Granted Nov 29, 2022·0 cites·5 claims
- 3349US2017205546A1Optical memberDEXERIALS CORP·Filed 2015·Application pending·0 cites
- 3447US11002889B2Reflective diffuser plate, display device, projection device, and lighting deviceDEXERIALS CORP·Filed 2017·Granted May 11, 2021·0 cites·10 claims
- 3546US10858883B2Optical body, window material, and roll screenDEXERIALS CORP·Filed 2017·Granted Dec 8, 2020·0 cites·7 claims
- 3645US8582204B2Optical film and method for manufacturing the same, antiglare film, polarizer with optical layer, and display apparatusHAGA YUMI·Filed 2009·Granted Nov 12, 2013·0 cites·12 claims
- 3745US2012092756A1Optical body, optical body manufacturing method, window member, and optical body attaching methodYOSHIDA HIRONORI·Filed 2011·Application pending·0 cites
- 3845US2007015068A1Method for producing transmissive screen, apparatus for producing transmissive screen, and transmissive screenSONY CORP·Filed 2006·Application pending·0 cites
- 3945US2014233104A1Optical element, window material, fitting, and solar shading deviceNAGAHAMA TSUTOMU·Filed 2012·Application pending·0 cites
- 4039US2012300306A1Optical body, method of manufacturing the same, window member, fitting, and solar shading deviceNAGAHAMA TSUTOMU·Filed 2011·Application pending·0 cites
- 4138US2017052295A1Optical member, production method therefor, window material, and fixtureDEXERIALS CORP·Filed 2015·Application pending·0 cites
- 4237US10859735B2Diffuser plate, display device, projection device, and lighting deviceDEXERIALS CORP·Filed 2016·Granted Dec 8, 2020·0 cites·11 claims
- 4336US4297722ACeramic package for semiconductor devices having metalized lead patterns formed like a floating islandFUJITSU LTD·Filed 1979·Granted Oct 27, 1981·7 cites·6 claims
- 4432US2002196654A1Semiconductor memory deviceSONY CORP·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →