Inventor · disambiguated record
Hiroshi Sekiguchi
Also filed as: SEKIGUCHI HIROSHI
65 granted patents·16 pending applications·685 citations·filing 1982–2024
99Inventor score
Top patents by PatentIndex Score
81 records- 0195US7478755B2Communication system, communication apparatus and method, recording medium, and programSONY CORP·Filed 2006·Granted Jan 20, 2009·27 cites·14 claims
- 0294US7835078B2Reflecting screen, method of manufacturing the same, and reflection-type projection systemDAINIPPON PRINTING CO LTD·Filed 2006·Granted Nov 16, 2010·21 cites·5 claims
- 0394US6726859B2Fresnel lens, screen, image display device, lens mold manufacturing method and lens manufacturing methodMITSUBISHI ELECTRIC CORP·Filed 2001·Granted Apr 27, 2004·58 cites·10 claims
- 0490US12108195B2Reflective screen and image display deviceDAINIPPON PRINTING CO LTD·Filed 2023·Granted Oct 1, 2024·2 cites·16 claims
- 0588US4978890AFluorescent lamp deviceJAPAN AVIATION ELECTRON·Filed 1989·Granted Dec 18, 1990·49 cites·4 claims
- 0687US4752116ATransmission type projection screenDAINIPPON PRINTING CO LTD·Filed 1987·Granted Jun 21, 1988·25 cites·5 claims
- 0786US5304247AApparatus for depositing compound semiconductor crystalFUJITSU LTD·Filed 1991·Granted Apr 19, 1994·41 cites·8 claims
- 0885US6459068B1Laser device, laser machining device and optical amplifierHOYA CORP·Filed 2000·Granted Oct 1, 2002·38 cites·10 claims
- 0982US8797480B2Light guide plate, surface light source device, and display deviceGOTO MASAHIRO·Filed 2011·Granted Aug 5, 2014·5 cites·11 claims
- 1082US6707605B2Fresnel lens sheet and transmission-type projection screenDAINIPPON PRINTING CO LTD·Filed 2002·Granted Mar 16, 2004·16 cites·16 claims
- 1182US4922502ASolid-state laser device comprising a plurality of excitation units selectively energizedHOYA CORP·Filed 1988·Granted May 1, 1990·39 cites·9 claims
- 1281US8550687B2Light guide plate, surface light source device and transmissive display apparatusGOTOU MASAHIRO·Filed 2012·Granted Oct 8, 2013·7 cites·8 claims
- 1380US4646223ADrive control system for electric equipmentKANARS DATA CORP·Filed 1984·Granted Feb 24, 1987·36 cites·2 claims
- 1479US10365489B2Semi-transmissive reflection sheet, light guide plate and display deviceDAINIPPON PRINTING CO LTD·Filed 2015·Granted Jul 30, 2019·3 cites·17 claims
- 1579US6683892B1Laser device, method of producing the same and composite optical medium for use in producing the sameHOYA CORP·Filed 2000·Granted Jan 27, 2004·17 cites·8 claims
- 1678US6272155B1Fiber bundle and laser apparatus using the fiber bundle of manufacturing the sameHOYA CORP·Filed 1998·Granted Aug 7, 2001·46 cites·3 claims
- 1777US7072109B2Projection screen and projection displayDAINIPPON PRINTING CO LTD·Filed 2003·Granted Jul 4, 2006·17 cites·22 claims
- 1874US9041405B2Condition estimation device and method of generating open circuit voltage characteristicGS YUASA INT LTD·Filed 2013·Granted May 26, 2015·3 cites·10 claims
- 1974US7317572B2Fresnel lens sheet, rear projection screen and rear projection displayDAINIPPON PRINTING CO LTD·Filed 2004·Granted Jan 8, 2008·10 cites·20 claims
- 2073US6943948B2Fresnel lens sheet and transmission type projection screenDAINIPPON PRINTING CO LTD·Filed 2005·Granted Sep 13, 2005·4 cites·13 claims
- 2172US9188721B2Optical module and display deviceASANO EIJI·Filed 2011·Granted Nov 17, 2015·3 cites·12 claims
- 2272US9182530B2Light guide plate with tapering unit optical elementsGOTO MASAHIRO·Filed 2010·Granted Nov 10, 2015·3 cites·19 claims
- 2372US8807775B2Array-type display apparatusDAINIPPON PRINTING CO LTD·Filed 2013·Granted Aug 19, 2014·1 cites·10 claims
- 2471US6836363B2Rear projection screen and rear projection type display including the sameDAINIPPON PRINTING CO LTD·Filed 2003·Granted Dec 28, 2004·8 cites·21 claims
- 2570US7116476B2Fresnel lens, screen, image displaying device, lens forming mold manufacturing method and lens manufacturing methodDAINIPPON PRINTING CO LTD·Filed 2004·Granted Oct 3, 2006·23 cites·41 claims
- 2669US7245427B2Fresnel lens sheet holding structure and rear projection displayDAINIPPON PRINTING CO LTD·Filed 2004·Granted Jul 17, 2007·8 cites·9 claims
- 2769US4393956ADraining device used in a car-mufflerFUJI HEAVY IND LTD·Filed 1982·Granted Jul 19, 1983·27 cites·4 claims
- 2868US8678635B2Surface light source device, liquid crystal display device and optical memberGOTO MASAHIRO·Filed 2011·Granted Mar 25, 2014·2 cites·17 claims
- 2968US2024313246A1Assembling method for fuel cell stack and stacking apparatusHONDA MOTOR CO LTD·Filed 2024·Application pending·0 cites
- 3067US6697409B1Beam distributor of laser apparatus capable of efficiently introducing pumping beam into laser mediumHOYA CORP·Filed 2000·Granted Feb 24, 2004·8 cites·19 claims
- 3166US9217821B2Light guide plate, surface light source device, and display deviceDAINIPPON PRINTING CO LTD·Filed 2014·Granted Dec 22, 2015·1 cites·14 claims
- 3266US7930463B2Information processing apparatusSONY CORP·Filed 2008·Granted Apr 19, 2011·3 cites·8 claims
- 3366US7713167B2Automatic transmission control systemJATCO LTD·Filed 2007·Granted May 11, 2010·5 cites·11 claims
- 3465US11527769B2Method for inspecting gas leak from fuel cell stackHONDA MOTOR CO LTD·Filed 2021·Granted Dec 13, 2022·0 cites·7 claims
- 3562US9551824B2Light guide plate, method for producing light guide plate, surface light source device, and liquid crystal display deviceYAMAMOTO HIROSHI·Filed 2010·Granted Jan 24, 2017·1 cites·9 claims
- 3660US7453638B2Fresnel lens sheet, rear projection screen, and rear-projection-type displayDAINIPPON PRINTING CO LTD·Filed 2005·Granted Nov 18, 2008·2 cites·17 claims
- 3760US6961176B2Fresnel lens sheet, rear projection screen and rear projection displayDAINIPPON PRINTING CO LTD·Filed 2003·Granted Nov 1, 2005·6 cites·16 claims
- 3860US6947225B2Fresnel lens sheet, process of producing Fresnel lens sheet, mold for use in the production process, and rear projection screen comprising the Fresnel lens sheetDAINIPPON PRINTING CO LTD·Filed 2003·Granted Sep 20, 2005·6 cites·6 claims
- 3960US6052392ALaser apparatus having an optical guide formed in a conglomerate form with long and continuous optical fibersUEDA KENICHI·Filed 1997·Granted Apr 18, 2000·24 cites·12 claims
- 4060US2021305602A1Method for inspecting gas leak from fuel cell stackHONDA MOTOR CO LTD·Filed 2021·Application pending·0 cites
- 4159US7277227B2Fresnel lens sheet, transmission screen provided with the same and rear projection displayDAINIPPON PRINTING CO LTD·Filed 2003·Granted Oct 2, 2007·4 cites·12 claims
- 4258US5436194AStripe laser diode having an improved efficiency for current confinementFUJITSU LTD·Filed 1994·Granted Jul 25, 1995·17 cites·29 claims
- 4358US2014104712A1Array-type display apparatusDAINIPPON PRINTING CO LTD·Filed 2013·Application pending·0 cites
- 4455US8212112B2Gene participating in low temperature germinability in rice and utilization of the sameFUJINO KENJI·Filed 2008·Granted Jul 3, 2012·0 cites·11 claims
- 4555US2022051097A1Control device and converterROHM CO LTD·Filed 2021·Application pending·0 cites
- 4654US11695904B2Reflective screen and image display deviceDAINIPPON PRINTING CO LTD·Filed 2019·Granted Jul 4, 2023·0 cites·25 claims
- 4754US9453958B2Light guide plate and illumination apparatusDAINIPPON PRINTING CO LTD·Filed 2014·Granted Sep 27, 2016·0 cites·18 claims
- 4853US2022190549A1Semiconductor optical signal amplifierROHM CO LTD·Filed 2021·Application pending·0 cites
- 4952US12068431B2Single-photon source and method of outputting single photonROHM CO LTD·Filed 2021·Granted Aug 20, 2024·0 cites·20 claims
- 5051US2011027474A1Reflecting screen, method of manufacturing the same, and reflection-type projection systemDAINIPPON PRINTING CO LTD·Filed 2010·Application pending·0 cites
Showing the top 50 of 81 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →