Inventor · disambiguated record
Masatoshi Yonekubo
Also filed as: YONEKUBO MASATOSHI
103 granted patents·12 pending applications·1,112 citations·filing 1984–2024
99Inventor score
Files withSEIKO EPSON CORP108YONEKUBO MASATOSHI3MATSUBARA TAKAYUKI1PUBLIC UNIV CORPORATION SUWA UNIV OF SCIENCE FOUNDATION1SUMIYAMA FUMIKA1
Top patents by PatentIndex Score
115 records- 0198US6438282B1Optical switching device and image display deviceSEIKO EPSON CORP·Filed 2001·Granted Aug 20, 2002·190 cites·1 claims
- 0296US7377656B2ProjectorSEIKO EPSON CORP·Filed 2005·Granted May 27, 2008·38 cites·18 claims
- 0395US11067810B2Head-mounted display apparatusSEIKO EPSON CORP·Filed 2019·Granted Jul 20, 2021·15 cites·5 claims
- 0494US11662587B2Virtual image display deviceSEIKO EPSON CORP·Filed 2021·Granted May 30, 2023·3 cites·10 claims
- 0594US11550155B2Virtual image display apparatus and optical unitSEIKO EPSON CORP·Filed 2021·Granted Jan 10, 2023·3 cites·8 claims
- 0694US10884244B2Display apparatusSEIKO EPSON CORP·Filed 2018·Granted Jan 5, 2021·10 cites·7 claims
- 0791US10025009B2Optical device and image display apparatusSEIKO EPSON CORP·Filed 2014·Granted Jul 17, 2018·13 cites·12 claims
- 0891US9568730B2Optical device including diffraction elements for diffracting light inside of a light guide, image projecting apparatus, and electronic deviceSEIKO EPSON CORP·Filed 2015·Granted Feb 14, 2017·9 cites·18 claims
- 0991US6591037B2Optical switching element and image display deviceSEIKO EPSON CORP·Filed 2001·Granted Jul 8, 2003·37 cites·8 claims
- 1091US5680384ALaser emission unit, optical head and optical memory deviceSEIKO EPSON CORP·Filed 1995·Granted Oct 21, 1997·61 cites·31 claims
- 1190US10282906B2Virtual image display device and head-mounted displaySEIKO EPSON CORP·Filed 2015·Granted May 7, 2019·7 cites·20 claims
- 1290US9885877B2Image display apparatus having an optical scannerSEIKO EPSON CORP·Filed 2015·Granted Feb 6, 2018·8 cites·14 claims
- 1390US7841728B2Image display apparatusSEIKO EPSON CORP·Filed 2006·Granted Nov 30, 2010·11 cites·26 claims
- 1490US7494227B2Image display device and method of controlling image display deviceSEIKO EPSON CORP·Filed 2006·Granted Feb 24, 2009·13 cites·13 claims
- 1590US7293880B2Light source including multiple light emitting devices driven by a control device, and projectorSEIKO EPSON CORP·Filed 2005·Granted Nov 13, 2007·14 cites·5 claims
- 1690US6470115B1Optical switching element and image display deviceSEIKO EPSON CORP·Filed 1998·Granted Oct 22, 2002·75 cites·54 claims
- 1789US10139630B2Image display device with optical systems to guide light to a pupilSEIKO EPSON CORP·Filed 2015·Granted Nov 27, 2018·6 cites·5 claims
- 1889US7477435B2ProjectorSEIKO EPSON CORP·Filed 2006·Granted Jan 13, 2009·12 cites·9 claims
- 1989US7207677B2Image display device and projectorSEIKO EPSON CORP·Filed 2004·Granted Apr 24, 2007·22 cites·23 claims
- 2088US7390129B2Light source, method for manufacturing light source, and projectorSEIKO EPSON CORP·Filed 2005·Granted Jun 24, 2008·19 cites·18 claims
- 2187US7354157B2Image display device and light source deviceSEIKO EPSON CORP·Filed 2006·Granted Apr 8, 2008·10 cites·7 claims
- 2286US5151890AOptical system for optical memory deviceSEIKO EPSON CORP·Filed 1992·Granted Sep 29, 1992·39 cites·12 claims
- 2385US9182600B2Image display apparatus and head-mounted displaySEIKO EPSON CORP·Filed 2013·Granted Nov 10, 2015·6 cites·20 claims
- 2485US7532396B2Screen and projection systemSEIKO EPSON CORP·Filed 2007·Granted May 12, 2009·7 cites·20 claims
- 2585US7401926B2Space light modulating apparatus, projector including same, process for manufacturing microstructure element used in same, and microstructure element manufactured by the same processSEIKO EPSON CORP·Filed 2007·Granted Jul 22, 2008·7 cites·13 claims
- 2685US7081912B2Optical writing head such as organic EL array exposure head, method of manufacturing the same, and image forming apparatus using the sameSEIKO EPSON CORP·Filed 2003·Granted Jul 25, 2006·27 cites·1 claims
- 2785US4727380APhotosensitive printing apparatusSEIKO EPSON CORP·Filed 1985·Granted Feb 23, 1988·52 cites·47 claims
- 2884US9541757B2Light flux diameter-expanding element and display apparatusSEIKO EPSON CORP·Filed 2015·Granted Jan 10, 2017·4 cites·20 claims
- 2984US7165845B2Image display device and projectorSEIKO EPSON CORP·Filed 2003·Granted Jan 23, 2007·21 cites·34 claims
- 3083US10495888B2Image display device capable of adjusting image position in depth directionSEIKO EPSON CORP·Filed 2016·Granted Dec 3, 2019·4 cites·14 claims
- 3183US10001651B2Display device and light guide deviceSEIKO EPSON CORP·Filed 2017·Granted Jun 19, 2018·3 cites·9 claims
- 3283US7071611B2Display panel, method of manufacturing display panel, and display apparatusSEIKO EPSON CORP·Filed 2004·Granted Jul 4, 2006·36 cites·12 claims
- 3379US7393107B2Rear-type projectorSEIKO EPSON CORP·Filed 2004·Granted Jul 1, 2008·15 cites·6 claims
- 3479US6381381B1Optical switching device and image display deviceSEIKO EPSON CORP·Filed 1998·Granted Apr 30, 2002·47 cites·40 claims
- 3578US7929207B2Screen and projection systemSEIKO EPSON CORP·Filed 2009·Granted Apr 19, 2011·4 cites·16 claims
- 3677US10739601B2Image display device having maximum emission angle of first image light smaller than maximum viewing angle of virtual imageSEIKO EPSON CORP·Filed 2016·Granted Aug 11, 2020·2 cites·16 claims
- 3777US7984994B2Image display apparatusSEIKO EPSON CORP·Filed 2010·Granted Jul 26, 2011·2 cites·7 claims
- 3877US7031065B2Spatial light modulator and projectorSEIKO EPSON CORP·Filed 2005·Granted Apr 18, 2006·8 cites·5 claims
- 3976US5581523ALaser emission unit, optical head and optical memory deviceSEIKO EPSON CORP·Filed 1993·Granted Dec 3, 1996·29 cites·11 claims
- 4074US11550159B2Head-mounted display apparatusSEIKO EPSON CORP·Filed 2021·Granted Jan 10, 2023·0 cites·8 claims
- 4174US8157387B2Projector that monitors mirror function to prevent point illuminationYONEKUBO MASATOSHI·Filed 2008·Granted Apr 17, 2012·5 cites·6 claims
- 4273US10935807B2Display deviceSEIKO EPSON CORP·Filed 2019·Granted Mar 2, 2021·1 cites·13 claims
- 4373US10495883B2Image display device with optical systems to guide light to a pupilSEIKO EPSON CORP·Filed 2018·Granted Dec 3, 2019·1 cites·20 claims
- 4473US10409069B2Display device and light guide deviceSEIKO EPSON CORP·Filed 2018·Granted Sep 10, 2019·1 cites·10 claims
- 4573US9958679B2Electro-optical device having optical element including a plurality of light guiding materials bonded via a half mirror layerSEIKO EPSON CORP·Filed 2015·Granted May 1, 2018·2 cites·10 claims
- 4673US7817689B2Laser source device, display device, and projectorSEIKO EPSON CORP·Filed 2006·Granted Oct 19, 2010·4 cites·13 claims
- 4773US7796672B2Light source device and projector including light source deviceSEIKO EPSON CORP·Filed 2006·Granted Sep 14, 2010·4 cites·11 claims
- 4871US5825022APolarizer, including thin polarizing film, optical element with polarizer, optical head with polarizer and methods and apparatus for forming sameSEIKO EPSON CORP·Filed 1996·Granted Oct 20, 1998·23 cites·23 claims
- 4971US5602383AOptical apparatus for optically reading and recording informationSEIKO EPSON CORP·Filed 1995·Granted Feb 11, 1997·24 cites·44 claims
- 5070US11237398B2Head-mounted display apparatusSEIKO EPSON CORP·Filed 2021·Granted Feb 1, 2022·0 cites·9 claims
Showing the top 50 of 115 patent records by PatentIndex Score.
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