Inventor
SEKIGUCHI HIROSHI
JP65 patents
⚠️ This page may combine multiple inventors who share the name “SEKIGUCHI HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DAINIPPON PRINTING CO LTD
17 patentsUS4752116AJun 21, 1988
Transmission type projection screen
DAINIPPON PRINTING CO LTD25 citations93
US7835078B2Nov 16, 2010
Reflecting screen, method of manufacturing the same, and reflection-type projection system
DAINIPPON PRINTING CO LTD21 citations92
US7116476B2Oct 3, 2006
Fresnel lens, screen, image displaying device, lens forming mold manufacturing method and lens manufacturing method
DAINIPPON PRINTING CO LTD23 citations91
US7317572B2Jan 8, 2008
Fresnel lens sheet, rear projection screen and rear projection display
DAINIPPON PRINTING CO LTD10 citations84
US7072109B2Jul 4, 2006
Projection screen and projection display
DAINIPPON PRINTING CO LTD17 citations84
US6707605B2Mar 16, 2004
Fresnel lens sheet and transmission-type projection screen
DAINIPPON PRINTING CO LTD16 citations84
US7245427B2Jul 17, 2007
Fresnel lens sheet holding structure and rear projection display
DAINIPPON PRINTING CO LTD8 citations74
US6836363B2Dec 28, 2004
Rear projection screen and rear projection type display including the same
DAINIPPON PRINTING CO LTD8 citations74
US10365489B2Jul 30, 2019
Semi-transmissive reflection sheet, light guide plate and display device
DAINIPPON PRINTING CO LTD3 citations73
US12108195B2Oct 1, 2024
Reflective screen and image display device
DAINIPPON PRINTING CO LTD2 citations71
US7453638B2Nov 18, 2008
Fresnel lens sheet, rear projection screen, and rear-projection-type display
DAINIPPON PRINTING CO LTD2 citations63
US7277227B2Oct 2, 2007
Fresnel lens sheet, transmission screen provided with the same and rear projection display
DAINIPPON PRINTING CO LTD4 citations63
US6961176B2Nov 1, 2005
Fresnel lens sheet, rear projection screen and rear projection display
DAINIPPON PRINTING CO LTD6 citations63
US6947225B2Sep 20, 2005
Fresnel lens sheet, process of producing Fresnel lens sheet, mold for use in the production process, and rear projection screen comprising the Fresnel lens sheet
DAINIPPON PRINTING CO LTD6 citations63
US11695904B2Jul 4, 2023
Reflective screen and image display device
DAINIPPON PRINTING CO LTD0 citations61
US6943948B2Sep 13, 2005
Fresnel lens sheet and transmission type projection screen
DAINIPPON PRINTING CO LTD4 citations60
US9453958B2Sep 27, 2016
Light guide plate and illumination apparatus
DAINIPPON PRINTING CO LTD0 citations52
HOYA CORP
6 patentsUS6272155B1Aug 7, 2001
Fiber bundle and laser apparatus using the fiber bundle of manufacturing the same
HOYA CORP46 citations93
US6459068B1Oct 1, 2002
Laser device, laser machining device and optical amplifier
HOYA CORP38 citations91
US4922502AMay 1, 1990
Solid-state laser device comprising a plurality of excitation units selectively energized
HOYA CORP39 citations87
US6683892B1Jan 27, 2004
Laser device, method of producing the same and composite optical medium for use in producing the same
HOYA CORP17 citations82
US6697409B1Feb 24, 2004
Beam distributor of laser apparatus capable of efficiently introducing pumping beam into laser medium
HOYA CORP8 citations74
US5034953AJul 23, 1991
Laser device capable of making a temperature distribution uniform in a slab-shaped laser medium
HOYA CORP7 citations74
FUJITSU LTD
5 patentsUS5304247AApr 19, 1994
Apparatus for depositing compound semiconductor crystal
FUJITSU LTD41 citations93
US5436194AJul 25, 1995
Stripe laser diode having an improved efficiency for current confinement
FUJITSU LTD17 citations81
US5814531ASep 29, 1998
Method for forming semiconductor laser emitting light from slant plane
FUJITSU LTD8 citations74
US5392730AFeb 28, 1995
Method for depositing compound semiconductor crystal
FUJITSU LTD7 citations74
US5621748AApr 15, 1997
Stripe laser diode having an improved efficiency for current confinement
FUJITSU LTD13 citations72
KANARS DATA CORP
4 patentsUS4646223AFeb 24, 1987
Drive control system for electric equipment
KANARS DATA CORP36 citations92
US4761761AAug 2, 1988
Multitype characters processing method and terminal device with multiple display buffers
KANARS DATA CORP11 citations73
US4727511AFeb 23, 1988
Multitype characters processing method and terminal device
KANARS DATA CORP7 citations73
US4514675AApr 30, 1985
Electronic damper for pulse motor
KANARS DATA CORP9 citations65
GOTO MASAHIRO
3 patentsUS8797480B2Aug 5, 2014
Light guide plate, surface light source device, and display device
GOTO MASAHIRO5 citations73
US9182530B2Nov 10, 2015
Light guide plate with tapering unit optical elements
GOTO MASAHIRO3 citations63
US8678635B2Mar 25, 2014
Surface light source device, liquid crystal display device and optical member
GOTO MASAHIRO2 citations63
ROHM CO LTD
3 patentsSONY CORP
2 patentsMITSUBISHI ELECTRIC CORP
1 patentUEDA KENICHI
1 patentJAPAN AVIATION ELECTRON
1 patentGOTOU MASAHIRO
1 patentFUJI HEAVY IND LTD
1 patentJATCO CORP
1 patentASANO EIJI
1 patentGS YUASA INT LTD
1 patentJATCO LTD
1 patentYAMAMOTO HIROSHI
1 patentShowing the top 50 of 65 patents by PatentIndex Score.