Assignee
HIRATA KOJI
JP·21 granted patents·3 pending applications·107 citations·filing 2007–2013
Top patents by PatentIndex Score
24 records- 0198US8662678B2Solid-state light source deviceHIRATA KOJI·Filed 2010·Granted Mar 4, 2014·33 cites·13 claims
- 0295US8182097B2Projection type image display apparatusHIRATA KOJI·Filed 2011·Granted May 22, 2012·10 cites·14 claims
- 0393US8313199B2Projection display system including lens group and reflecting mirrorHIRATA KOJI·Filed 2007·Granted Nov 20, 2012·16 cites·18 claims
- 0491US8408717B2Projection type image display apparatusHIRATA KOJI·Filed 2012·Granted Apr 2, 2013·8 cites·13 claims
- 0583US8441582B2Imaging displaying apparatus and 3-D image displaying apparatus applying the same thereinHIRATA KOJI·Filed 2008·Granted May 14, 2013·7 cites·20 claims
- 0681US8425049B2Oblique projection optical system and projection type display apparatus using the sameHIRATA KOJI·Filed 2009·Granted Apr 23, 2013·8 cites·10 claims
- 0781US8403504B2Projection type display apparatusHIRATA KOJI·Filed 2010·Granted Mar 26, 2013·3 cites·14 claims
- 0881US8075142B2Projection-type image display apparatusHIRATA KOJI·Filed 2011·Granted Dec 13, 2011·3 cites·11 claims
- 0980US9022581B2Projection display system with two reflecting mirrorsHIRATA KOJI·Filed 2012·Granted May 5, 2015·4 cites·23 claims
- 1077US8573787B2Projection type display apparatusHIRATA KOJI·Filed 2013·Granted Nov 5, 2013·2 cites·14 claims
- 1172US9122139B2Projection image displaying device with openings around its projection lens and mirrorHIRATA KOJI·Filed 2010·Granted Sep 1, 2015·3 cites·4 claims
- 1272US9041868B2Projection image display device comprising a plurality of illumination optical systemsHIRATA KOJI·Filed 2012·Granted May 26, 2015·2 cites·19 claims
- 1372US8733953B2Display apparatus and projection type lighting apparatus thereforHIRATA KOJI·Filed 2011·Granted May 27, 2014·1 cites·16 claims
- 1470US10310321B2Optical element, manufacturing method of optical element, and optical deviceHIRATA KOJI·Filed 2012·Granted Jun 4, 2019·2 cites·10 claims
- 1570US8585209B2Projection apparatus with linear fresnel lens and transparent screen thereforHIRATA KOJI·Filed 2010·Granted Nov 19, 2013·2 cites·12 claims
- 1667US10191363B2Projection-type image display deviceHIRATA KOJI·Filed 2012·Granted Jan 29, 2019·2 cites·6 claims
- 1764US8690345B2Projection image display apparatus having a first lens and a second lens adjacent to the screenHIRATA KOJI·Filed 2011·Granted Apr 8, 2014·1 cites·16 claims
- 1854US2011234982A1Projection displayHIRATA KOJI·Filed 2011·Application pending·0 cites
- 1952US9933553B2Optical element and optical deviceHIRATA KOJI·Filed 2012·Granted Apr 3, 2018·0 cites·8 claims
- 2052US8678595B2Projection type display apparatus with increased life of optical constituent componentsHIRATA KOJI·Filed 2010·Granted Mar 25, 2014·0 cites·4 claims
- 2147US9116349B2Image display deviceHIRATA KOJI·Filed 2011·Granted Aug 25, 2015·0 cites·20 claims
- 2243US9217915B2Projection-type video display apparatus having a transmission-type screenHIRATA KOJI·Filed 2010·Granted Dec 22, 2015·0 cites·6 claims
- 2341US2014333590A1Digital penHIRATA KOJI·Filed 2012·Application pending·0 cites
- 2440US2008297151A1MRI phantom and MRI systemHIRATA KOJI·Filed 2008·Application pending·0 cites
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