Inventor
IKEDA HIDEHIRO
JP51 patents
⚠️ This page may combine multiple inventors who share the name “IKEDA HIDEHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
27 patentsUS6573950B1Jun 3, 2003
Optical projection apparatus, transmission type screen, and projection type image display apparatus
HITACHI LTD46 citations96
US6280038B1Aug 28, 2001
Optical equipment
HITACHI LTD66 citations96
US7081927B2Jul 25, 2006
Optical projection apparatus, transmission type screen, and projection type image display apparatus
HITACHI LTD17 citations93
US7021768B2Apr 4, 2006
Optical apparatus
HITACHI LTD11 citations93
US6956624B2Oct 18, 2005
Optical projection apparatus, transmission type screen, and projection type image display apparatus
HITACHI LTD20 citations93
US6894729B2May 17, 2005
Optical projection apparatus, transmission type screen, and projection type image display apparatus
HITACHI LTD21 citations93
US6431710B2Aug 13, 2002
Optical apparatus
HITACHI LTD23 citations93
US6768594B2Jul 27, 2004
Projection lens apparatus and rear projection type image display apparatus using the same
HITACHI LTD40 citations92
US6560041B2May 6, 2003
Projection lens apparatus and projection type image display apparatus
HITACHI LTD30 citations92
US6975460B2Dec 13, 2005
Projection lens apparatus and projection type image display apparatus
HITACHI LTD12 citations84
US7901097B2Mar 8, 2011
Display apparatus and projection type lighting apparatus therefor
HITACHI LTD5 citations74
US7342724B2Mar 11, 2008
Rear projection type image display device
HITACHI LTD8 citations74
US7175284B2Feb 13, 2007
Projection type display apparatus
HITACHI LTD6 citations74
US7159988B2Jan 9, 2007
Projection optical unit and projection image display apparatus
HITACHI LTD9 citations74
US6857749B2Feb 22, 2005
Projection type display apparatus
HITACHI LTD7 citations74
US8002414B2Aug 23, 2011
Image displaying apparatus, and a method for adjusting vibrating condition of a reflection mirror in the image displaying apparatus
HITACHI LTD5 citations63
US7832871B2Nov 16, 2010
Optical equipment with at least first and second ventilation paths
HITACHI LTD2 citations63
US7441904B2Oct 28, 2008
Projection type display apparatus with ventilation
HITACHI LTD2 citations63
US7365907B2Apr 29, 2008
Rear projection image display apparatus
HITACHI LTD2 citations63
US7261420B2Aug 28, 2007
Projection optical unit and projection image display apparatus
HITACHI LTD4 citations63
US7142367B2Nov 28, 2006
Projection lens apparatus and projection type image display apparatus
HITACHI LTD3 citations63
US7787167B2Aug 31, 2010
Display apparatus using micro mirror unit, and method for controlling micro mirror unit
HITACHI LTD0 citations52
US7665849B2Feb 23, 2010
Color separating unit and projection type video display apparatus provided with the same
HITACHI LTD1 citations52
US7347566B2Mar 25, 2008
Projection lens unit and rear projection type image display system
HITACHI LTD0 citations52
US7244030B2Jul 17, 2007
Rear projection type image display device
HITACHI LTD0 citations52
US7210797B2May 1, 2007
Projector optical unit, projection type image display apparatus, and rear projection type image display apparatus
HITACHI LTD1 citations52
US7172292B2Feb 6, 2007
Projection lens unit and rear projection type image display system
HITACHI LTD0 citations52
HIRATA KOJI
7 patentsUS8662678B2Mar 4, 2014
Solid-state light source device
HIRATA KOJI33 citations94
US8441582B2May 14, 2013
Imaging displaying apparatus and 3-D image displaying apparatus applying the same therein
HIRATA KOJI7 citations84
US10310321B2Jun 4, 2019
Optical element, manufacturing method of optical element, and optical device
HIRATA KOJI2 citations73
US8585209B2Nov 19, 2013
Projection apparatus with linear fresnel lens and transparent screen therefor
HIRATA KOJI2 citations63
US9933553B2Apr 3, 2018
Optical element and optical device
HIRATA KOJI0 citations52
US8733953B2May 27, 2014
Display apparatus and projection type lighting apparatus therefor
HIRATA KOJI1 citations52
US8690345B2Apr 8, 2014
Projection image display apparatus having a first lens and a second lens adjacent to the screen
HIRATA KOJI1 citations52
KOBORI TOMOKI
4 patentsUS8287136B2Oct 16, 2012
Display apparatus
KOBORI TOMOKI6 citations83
US8210687B2Jul 3, 2012
Image displaying apparatus, and a method for adjusting vibrating condition of a reflection mirror in the image displaying apparatus
KOBORI TOMOKI5 citations73
US8066385B2Nov 29, 2011
Projection display and lighting unit with diffusion optical device
KOBORI TOMOKI5 citations62
US8625082B2Jan 7, 2014
Display apparatus
KOBORI TOMOKI0 citations51
HITACHI CONSUMER ELECTRONICS
3 patentsRENESAS TECH CORP
3 patentsUS7582397B2Sep 1, 2009
Photomask, and method and apparatus for producing the same
RENESAS TECH CORP1 citations61
US7771904B2Aug 10, 2010
Photomask, and method and apparatus for producing the same
RENESAS TECH CORP0 citations50
US7585599B2Sep 8, 2009
Photomask, and method and apparatus for producing the same
RENESAS TECH CORP0 citations50
HITACHI MAXELL
2 patentsKIMURA NOBUYUKI
2 patentsTOPPAN PRINTING CO LTD
1 patentWATANABE SHUTOKU
1 patentShowing the top 50 of 51 patents by PatentIndex Score.