Inventor · disambiguated record
Reona Ushigome
Also filed as: USHIGOME REONA
21 granted patents·4 pending applications·39 citations·filing 2005–2018
91Inventor score
Top patents by PatentIndex Score
25 records- 0187US8336333B2Diffractive optical element and optical system using the sameUSHIGOME REONA·Filed 2010·Granted Dec 25, 2012·9 cites·2 claims
- 0279US8605358B2Diffractive optical element, optical system, and optical apparatusUSHIGOME REONA·Filed 2011·Granted Dec 10, 2013·5 cites·20 claims
- 0376US8333476B2Image projection apparatus and image display systemUSHIGOME REONA·Filed 2009·Granted Dec 18, 2012·5 cites·5 claims
- 0476US7379242B2Polarization beam splitter and projection apparatus having the sameCANON KK·Filed 2005·Granted May 27, 2008·7 cites·19 claims
- 0569US8730554B2Variable transmittance element, optical system, and optical apparatus utilizing electrochromic materialCANON KK·Filed 2012·Granted May 20, 2014·1 cites·20 claims
- 0667US7472995B2Wavelength-selective polarization conversion element, projection displaying optical system and image projection apparatusCANON KK·Filed 2006·Granted Jan 6, 2009·4 cites·14 claims
- 0766US8941923B2Diffractive optical element, optical system, and optical apparatusUSHIGOME REONA·Filed 2011·Granted Jan 27, 2015·2 cites·17 claims
- 0866US8755119B2Diffractive optical element, optical system and optical apparatusUSHIGOME REONA·Filed 2012·Granted Jun 17, 2014·2 cites·10 claims
- 0962US8279526B2Optical system and image pickup apparatus having sameMOMOKI KAZUHIKO·Filed 2008·Granted Oct 2, 2012·3 cites·5 claims
- 1060US7562984B2Polarizing beam splitter and projection apparatus having the sameCANON KK·Filed 2005·Granted Jul 21, 2009·1 cites·17 claims
- 1150US7916394B2Diffractive optical element and optical system using the sameCANON KK·Filed 2008·Granted Mar 29, 2011·0 cites·18 claims
- 1249US7816640B2Polarization beam splitter and projection apparatus having the sameCANON KK·Filed 2008·Granted Oct 19, 2010·0 cites·3 claims
- 1348US10670875B2Diffractive optical element, optical system including diffractive optical element, imaging apparatus, and lens deviceCANON KK·Filed 2018·Granted Jun 2, 2020·0 cites·17 claims
- 1446US8681424B2Diffractive optical element containing grating surface and grating wall surface, and optical system having the sameUSHIGOME REONA·Filed 2010·Granted Mar 25, 2014·0 cites·12 claims
- 1545US9285518B2Diffractive optical element, optical system, and optical apparatusCANON KK·Filed 2012·Granted Mar 15, 2016·0 cites·19 claims
- 1645US8120852B2Diffractive optical element, optical system, and optical apparatusUSHIGOME REONA·Filed 2009·Granted Feb 21, 2012·0 cites·11 claims
- 1745US2014247492A1Diffraction optical element, optical system, and optical apparatusCANON KK·Filed 2014·Application pending·0 cites
- 1844US8520304B2Diffractive optical element and optical system including the sameUSHIGOME REONA·Filed 2011·Granted Aug 27, 2013·0 cites·20 claims
- 1942US8902504B2Diffractive optical element having a reflective member disposed between different grating wall surfaces thereof, and optical system and optical apparatus having the diffractive optical elementUSHIGOME REONA·Filed 2011·Granted Dec 2, 2014·0 cites·9 claims
- 2042US8064134B2Optical element and image projection apparatusUSHIGOME REONA·Filed 2007·Granted Nov 22, 2011·0 cites·4 claims
- 2142US7631972B2Wavelength-selective polarization conversion element, illumination optical system, projection display optical system, and image projection apparatusCANON KK·Filed 2006·Granted Dec 15, 2009·0 cites·10 claims
- 2240US2012087008A1Diffractive optical element, optical system, and optical apparatusUSHIGOME REONA·Filed 2011·Application pending·0 cites
- 2339US2011304915A1Diffractive optical element, optical system, and optical apparatusUSHIGOME REONA·Filed 2011·Application pending·0 cites
- 2437US10133084B2Diffractive optical element, optical system, and optical apparatus which reduce generation of unnecessary lightCANON KK·Filed 2016·Granted Nov 20, 2018·0 cites·17 claims
- 2535US2015234197A1Wavelength selective polarizer, optical system, and projection-type display apparatusCANON KK·Filed 2015·Application pending·0 cites
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