Inventor
USHIGOME REONA
JP21 patents
⚠️ This page may combine multiple inventors who share the name “USHIGOME REONA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
USHIGOME REONA
10 patentsUS8336333B2Dec 25, 2012
Diffractive optical element and optical system using the same
USHIGOME REONA9 citations82
US8605358B2Dec 10, 2013
Diffractive optical element, optical system, and optical apparatus
USHIGOME REONA5 citations71
US8941923B2Jan 27, 2015
Diffractive optical element, optical system, and optical apparatus
USHIGOME REONA2 citations61
US8755119B2Jun 17, 2014
Diffractive optical element, optical system and optical apparatus
USHIGOME REONA2 citations61
US8333476B2Dec 18, 2012
Image projection apparatus and image display system
USHIGOME REONA5 citations61
US8681424B2Mar 25, 2014
Diffractive optical element containing grating surface and grating wall surface, and optical system having the same
USHIGOME REONA0 citations50
US8902504B2Dec 2, 2014
Diffractive optical element having a reflective member disposed between different grating wall surfaces thereof, and optical system and optical apparatus having the diffractive optical element
USHIGOME REONA0 citations40
US8520304B2Aug 27, 2013
Diffractive optical element and optical system including the same
USHIGOME REONA0 citations40
US8120852B2Feb 21, 2012
Diffractive optical element, optical system, and optical apparatus
USHIGOME REONA0 citations40
US8064134B2Nov 22, 2011
Optical element and image projection apparatus
USHIGOME REONA0 citations40
CANON KK
10 patentsUS7379242B2May 27, 2008
Polarization beam splitter and projection apparatus having the same
CANON KK7 citations72
US7472995B2Jan 6, 2009
Wavelength-selective polarization conversion element, projection displaying optical system and image projection apparatus
CANON KK4 citations62
US8730554B2May 20, 2014
Variable transmittance element, optical system, and optical apparatus utilizing electrochromic material
CANON KK1 citations51
US7916394B2Mar 29, 2011
Diffractive optical element and optical system using the same
CANON KK0 citations51
US7816640B2Oct 19, 2010
Polarization beam splitter and projection apparatus having the same
CANON KK0 citations51
US7562984B2Jul 21, 2009
Polarizing beam splitter and projection apparatus having the same
CANON KK1 citations51
US10670875B2Jun 2, 2020
Diffractive optical element, optical system including diffractive optical element, imaging apparatus, and lens device
CANON KK0 citations41
US10133084B2Nov 20, 2018
Diffractive optical element, optical system, and optical apparatus which reduce generation of unnecessary light
CANON KK0 citations40
US9285518B2Mar 15, 2016
Diffractive optical element, optical system, and optical apparatus
CANON KK0 citations40
US7631972B2Dec 15, 2009
Wavelength-selective polarization conversion element, illumination optical system, projection display optical system, and image projection apparatus
CANON KK0 citations40