Inventor · disambiguated record
Hidehiro Ikeda
Also filed as: IKEDA HIDEHIRO
51 granted patents·1 pending application·435 citations·filing 1999–2014
98Inventor score
Top patents by PatentIndex Score
52 records- 0198US8662678B2Solid-state light source deviceHIRATA KOJI·Filed 2010·Granted Mar 4, 2014·33 cites·13 claims
- 0296US6573950B1Optical projection apparatus, transmission type screen, and projection type image display apparatusHITACHI LTD·Filed 2000·Granted Jun 3, 2003·46 cites·5 claims
- 0392US9256060B2Pinhole array and display device using sameHITACHI MAXELL·Filed 2013·Granted Feb 9, 2016·14 cites·10 claims
- 0492US7021768B2Optical apparatusHITACHI LTD·Filed 2005·Granted Apr 4, 2006·11 cites·6 claims
- 0592US6560041B2Projection lens apparatus and projection type image display apparatusHITACHI LTD·Filed 2001·Granted May 6, 2003·30 cites·17 claims
- 0690US6894729B2Optical projection apparatus, transmission type screen, and projection type image display apparatusHITACHI LTD·Filed 2003·Granted May 17, 2005·21 cites·14 claims
- 0789US6956624B2Optical projection apparatus, transmission type screen, and projection type image display apparatusHITACHI LTD·Filed 2003·Granted Oct 18, 2005·20 cites·16 claims
- 0888US7081927B2Optical projection apparatus, transmission type screen, and projection type image display apparatusHITACHI LTD·Filed 2004·Granted Jul 25, 2006·17 cites·30 claims
- 0988US6768594B2Projection lens apparatus and rear projection type image display apparatus using the sameHITACHI LTD·Filed 2002·Granted Jul 27, 2004·40 cites·22 claims
- 1088US6431710B2Optical apparatusHITACHI LTD·Filed 2001·Granted Aug 13, 2002·23 cites·3 claims
- 1188US6280038B1Optical equipmentHITACHI LTD·Filed 1999·Granted Aug 28, 2001·66 cites·12 claims
- 1287US7175284B2Projection type display apparatusHITACHI LTD·Filed 2006·Granted Feb 13, 2007·6 cites·10 claims
- 1385US7342724B2Rear projection type image display deviceHITACHI LTD·Filed 2007·Granted Mar 11, 2008·8 cites·3 claims
- 1484US8002414B2Image displaying apparatus, and a method for adjusting vibrating condition of a reflection mirror in the image displaying apparatusHITACHI LTD·Filed 2008·Granted Aug 23, 2011·5 cites·14 claims
- 1583US8441582B2Imaging displaying apparatus and 3-D image displaying apparatus applying the same thereinHIRATA KOJI·Filed 2008·Granted May 14, 2013·7 cites·20 claims
- 1683US8210687B2Image displaying apparatus, and a method for adjusting vibrating condition of a reflection mirror in the image displaying apparatusKOBORI TOMOKI·Filed 2011·Granted Jul 3, 2012·5 cites·7 claims
- 1781US8287136B2Display apparatusKOBORI TOMOKI·Filed 2009·Granted Oct 16, 2012·6 cites·9 claims
- 1881US7901097B2Display apparatus and projection type lighting apparatus thereforHITACHI LTD·Filed 2008·Granted Mar 8, 2011·5 cites·21 claims
- 1978US8462296B2Projection-type display apparatusKIMURA NOBUYUKI·Filed 2010·Granted Jun 11, 2013·3 cites·20 claims
- 2077US8066385B2Projection display and lighting unit with diffusion optical deviceKOBORI TOMOKI·Filed 2008·Granted Nov 29, 2011·5 cites·15 claims
- 2176US7832871B2Optical equipment with at least first and second ventilation pathsHITACHI LTD·Filed 2008·Granted Nov 16, 2010·2 cites·10 claims
- 2276US7441904B2Projection type display apparatus with ventilationHITACHI LTD·Filed 2007·Granted Oct 28, 2008·2 cites·1 claims
- 2375US7159988B2Projection optical unit and projection image display apparatusHITACHI LTD·Filed 2004·Granted Jan 9, 2007·9 cites·9 claims
- 2475US6975460B2Projection lens apparatus and projection type image display apparatusHITACHI LTD·Filed 2003·Granted Dec 13, 2005·12 cites·10 claims
- 2574US7142367B2Projection lens apparatus and projection type image display apparatusHITACHI LTD·Filed 2005·Granted Nov 28, 2006·3 cites·7 claims
- 2674US6857749B2Projection type display apparatusHITACHI LTD·Filed 2002·Granted Feb 22, 2005·7 cites·6 claims
- 2773US7264905B2Photomask, and method and apparatus for producing the sameTOPPAN PRINTING CO LTD·Filed 2003·Granted Sep 4, 2007·9 cites·3 claims
- 2872US8733953B2Display apparatus and projection type lighting apparatus thereforHIRATA KOJI·Filed 2011·Granted May 27, 2014·1 cites·16 claims
- 2970US10310321B2Optical element, manufacturing method of optical element, and optical deviceHIRATA KOJI·Filed 2012·Granted Jun 4, 2019·2 cites·10 claims
- 3070US9519204B2Light source apparatus used in a projection type image display apparatusKIMURA NOBUYUKI·Filed 2011·Granted Dec 13, 2016·2 cites·2 claims
- 3170US8585209B2Projection apparatus with linear fresnel lens and transparent screen thereforHIRATA KOJI·Filed 2010·Granted Nov 19, 2013·2 cites·12 claims
- 3270US7261420B2Projection optical unit and projection image display apparatusHITACHI LTD·Filed 2006·Granted Aug 28, 2007·4 cites·4 claims
- 3368US9904152B2Solid-state light source deviceHITACHI CONSUMER ELECTRONICS·Filed 2014·Granted Feb 27, 2018·1 cites·14 claims
- 3466US8384995B2Rear-surface projection-type video display apparatusHITACHI CONSUMER ELECTRONICS·Filed 2011·Granted Feb 26, 2013·2 cites·6 claims
- 3566US7582397B2Photomask, and method and apparatus for producing the sameRENESAS TECH CORP·Filed 2007·Granted Sep 1, 2009·1 cites·8 claims
- 3664US8690345B2Projection 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
- 3760US7665849B2Color separating unit and projection type video display apparatus provided with the sameHITACHI LTD·Filed 2006·Granted Feb 23, 2010·1 cites·16 claims
- 3858US9348210B2Projection apparatus and transparent screen for itHITACHI MAXELL·Filed 2013·Granted May 24, 2016·0 cites·23 claims
- 3958US7771904B2Photomask, and method and apparatus for producing the sameRENESAS TECH CORP·Filed 2009·Granted Aug 10, 2010·0 cites·1 claims
- 4055US7585599B2Photomask, and method and apparatus for producing the sameRENESAS TECH CORP·Filed 2007·Granted Sep 8, 2009·0 cites·2 claims
- 4153US8625082B2Display apparatusKOBORI TOMOKI·Filed 2012·Granted Jan 7, 2014·0 cites·9 claims
- 4252US9933553B2Optical element and optical deviceHIRATA KOJI·Filed 2012·Granted Apr 3, 2018·0 cites·8 claims
- 4351US8593580B2Projection-type display apparatusWATANABE SHUTOKU·Filed 2013·Granted Nov 26, 2013·0 cites·38 claims
- 4450US7365907B2Rear projection image display apparatusHITACHI LTD·Filed 2004·Granted Apr 29, 2008·2 cites·8 claims
- 4549US7787167B2Display apparatus using micro mirror unit, and method for controlling micro mirror unitHITACHI LTD·Filed 2009·Granted Aug 31, 2010·0 cites·2 claims
- 4648US9372387B2Laser projectorHITACHI CONSUMER ELECTRONICS·Filed 2013·Granted Jun 21, 2016·0 cites·2 claims
- 4748US7347566B2Projection lens unit and rear projection type image display systemHITACHI LTD·Filed 2007·Granted Mar 25, 2008·0 cites·18 claims
- 4848US7210797B2Projector optical unit, projection type image display apparatus, and rear projection type image display apparatusHITACHI LTD·Filed 2004·Granted May 1, 2007·1 cites·32 claims
- 4945US7244030B2Rear projection type image display deviceHITACHI LTD·Filed 2004·Granted Jul 17, 2007·0 cites·13 claims
- 5044US7172292B2Projection lens unit and rear projection type image display systemHITACHI LTD·Filed 2004·Granted Feb 6, 2007·0 cites·5 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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