Inventor
NAGAHAMA TSUTOMU
JP35 patents
⚠️ This page may combine multiple inventors who share the name “NAGAHAMA TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
11 patentsUS7903340B2Mar 8, 2011
Anti-glare film, method for manufacturing the same, and display device using the same
SONY CORP15 citations92
US7567383B2Jul 28, 2009
Anti-glare film, method for manufacturing the same, and display device using the same
SONY CORP17 citations92
US7997743B2Aug 16, 2011
Optical film and manufacturing method therefor, antiglare film, optical layer-attached polarizer, and dispaly apparatus
SONY CORP9 citations84
US7480097B2Jan 20, 2009
Light diffusion sheet and method of producing the light diffusion sheet, and screen
SONY CORP7 citations74
US7751121B2Jul 6, 2010
Anti-glare film, method for manufacturing the same, and display device using the same
SONY CORP7 citations73
US7990618B2Aug 2, 2011
Light-diffusing film and screen including the same
SONY CORP2 citations63
US7776389B2Aug 17, 2010
Method for producing anti-glare film
SONY CORP4 citations62
US7710644B2May 4, 2010
Method for producing mold for use in duplicating light diffusion sheet, light diffusion sheet and method for producing the same, and screen
SONY CORP4 citations62
US7626761B2Dec 1, 2009
Fly's-eye lens sheet having light-shielding layer, method for fabricating the same, transmissive screen, and rear projection image display device
SONY CORP6 citations62
US7359118B2Apr 15, 2008
Method for producing mold for use in duplicating light diffusion sheet, light diffusion sheet and method for producing the same, and screen
SONY CORP4 citations62
US7375883B2May 20, 2008
Lens sheet, transmission type screen, and rear projection type display
SONY CORP1 citations52
DEXERIALS CORP
7 patentsUS9588267B2Mar 7, 2017
Optical element and method for producing the same
DEXERIALS CORP2 citations73
US11531144B2Dec 20, 2022
Optical body, diffuser plate, display device, projection device, and lighting device
DEXERIALS CORP0 citations61
US10132972B2Nov 20, 2018
Optical element and method for producing the same
DEXERIALS CORP0 citations52
US11002889B2May 11, 2021
Reflective diffuser plate, display device, projection device, and lighting device
DEXERIALS CORP0 citations51
US11513270B2Nov 29, 2022
Optical body
DEXERIALS CORP0 citations49
US10858883B2Dec 8, 2020
Optical body, window material, and roll screen
DEXERIALS CORP0 citations41
US10859735B2Dec 8, 2020
Diffuser plate, display device, projection device, and lighting device
DEXERIALS CORP0 citations40
NAGAHAMA TSUTOMU
6 patentsUS9964676B2May 8, 2018
Optical element, window material, fitting, solar shading device, and building
NAGAHAMA TSUTOMU10 citations83
US8325418B2Dec 4, 2012
Optical film, its manufacturing method, anti-glare polarizer using the same, and display apparatus
NAGAHAMA TSUTOMU14 citations83
US9063287B2Jun 23, 2015
Optical body with diffusion reflectivity, wall member, fitting, and solar shading device
NAGAHAMA TSUTOMU5 citations69
US9132608B2Sep 15, 2015
Wavelength selective optical element for reflecting light
NAGAHAMA TSUTOMU2 citations62
US8672492B2Mar 18, 2014
Optical film and method for manufacturing the same, antiglare film, polarizer with optical layer, and display apparatus
NAGAHAMA TSUTOMU2 citations62
US8182899B2May 22, 2012
Anti-glare film, method of manufacturing the same, and display apparatus using the same
NAGAHAMA TSUTOMU3 citations62