Inventor
OKUYAMA ATSUSHI
JP93 patents
⚠️ This page may combine multiple inventors who share the name “OKUYAMA ATSUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
39 patentsUS5706136AJan 6, 1998
Optical system, and image observing apparatus and image pickup apparatus using it
CANON KK190 citations99
US6139157AOct 31, 2000
Illuminating apparatus and projecting apparatus
CANON KK103 citations98
US6257726B1Jul 10, 2001
Illuminating apparatus and projecting apparatus
CANON KK58 citations96
US5815741ASep 29, 1998
Image observing apparatus and imaging apparatus utilizing the image observing apparatus
CANON KK65 citations95
US6783244B1Aug 31, 2004
Display apparatus
CANON KK18 citations93
US6644812B2Nov 11, 2003
Display apparatus and projection type display apparatus
CANON KK26 citations93
US6637892B1Oct 28, 2003
Projection apparatus
CANON KK23 citations93
US6513934B1Feb 4, 2003
Projection apparatus and observation apparatus
CANON KK38 citations93
US6464362B1Oct 15, 2002
Illuminating apparatus
CANON KK38 citations93
US6431727B1Aug 13, 2002
Illumination device for selectively compressing light from light sources and projection type display apparatus
CANON KK35 citations93
US6406149B2Jun 18, 2002
Illuminating apparatus and projecting apparatus
CANON KK32 citations93
US6273568B1Aug 14, 2001
Projection apparatus
CANON KK26 citations93
US6246526B1Jun 12, 2001
Light irradiating apparatus and image displaying apparatus
CANON KK49 citations93
US6144493ANov 7, 2000
Optical low-pass filter and optical apparatus having the same
CANON KK38 citations93
US5689736ANov 18, 1997
Image observation apparatus
CANON KK41 citations93
US5341243AAug 23, 1994
Zoom lens of rear focus type
CANON KK37 citations93
US6814442B2Nov 9, 2004
Image display apparatus and optical system
CANON KK39 citations92
US6646809B1Nov 11, 2003
Image display apparatus, image display system, and image display element
CANON KK42 citations92
US6490095B2Dec 3, 2002
Image display apparatus
CANON KK22 citations92
US5648871AJul 15, 1997
Projection apparatus utilizing an anamorphic optical system
CANON KK50 citations92
US7040761B2May 9, 2006
Image display apparatus, image display system, and illumination system
CANON KK13 citations84
US6942347B2Sep 13, 2005
Color combining optical system, image projection optical system, and projection type image display apparatus
CANON KK17 citations84
US6611381B2Aug 26, 2003
Display element, polarizing plate, and display apparatus and projecting apparatus using the display element and polarizing plate
CANON KK13 citations84
US6327092B1Dec 4, 2001
Cross dichroic prism
CANON KK16 citations84
US6310728B1Oct 30, 2001
Image viewing apparatus
CANON KK17 citations84
US6212013B1Apr 3, 2001
Projection type display apparatus
CANON KK15 citations84
US6031587AFeb 29, 2000
Optical member, optical instrument including the same, and method of manufacturing the optical member
CANON KK16 citations84
US6942345B2Sep 13, 2005
Projection type image display apparatus and image display system
CANON KK12 citations82
US7258445B2Aug 21, 2007
Polarization splitter, optical unit and image projector
CANON KK7 citations74
US7213924B2May 8, 2007
Image projection apparatus and image projection system
CANON KK7 citations74
US7137704B2Nov 21, 2006
Color splitting/combining optical system and image projecting apparatus
CANON KK9 citations74
US7044608B2May 16, 2006
Display apparatus
CANON KK8 citations74
US6991334B2Jan 31, 2006
Polarization beam splitting optical system
CANON KK8 citations74
US6863419B2Mar 8, 2005
Illumination optical system, image display optical system, projection type image display apparatus, and image display system
CANON KK7 citations74
US6805452B2Oct 19, 2004
Display apparatus
CANON KK7 citations74
US6634755B1Oct 21, 2003
Illuminating device and projector
CANON KK9 citations74
US6590713B2Jul 8, 2003
Image observation apparatus and image observation system
CANON KK10 citations74
US6457832B1Oct 1, 2002
Illumination apparatus and projection apparatus compensating for transverse aberration at an illumination surface
CANON KK11 citations74
US6351332B1Feb 26, 2002
Optical low-pass filter and optical apparatus having the same
CANON KK8 citations74
SONY CORP
6 patentsUS8368222B2Feb 5, 2013
Semiconductor device with pad with less diffusible contacting surface and method for production of the semiconductor device
SONY CORP25 citations96
US10541265B2Jan 21, 2020
Semiconductor device and method for production of semiconductor device
SONY CORP4 citations84
US9941323B2Apr 10, 2018
Semiconductor device and method for production of semiconductor device
SONY CORP3 citations84
US9679937B2Jun 13, 2017
Semiconductor device and method for production of semiconductor device
SONY CORP3 citations84
US9269680B2Feb 23, 2016
Semiconductor device with a connection pad in a substrate and method for production thereof
SONY CORP5 citations84
US8742585B2Jun 3, 2014
Semiconductor device having a plurality of pads of low diffusible material formed in a substrate
SONY CORP4 citations84
HITACHI LTD
3 patentsUS6396225B1May 28, 2002
DC current brushless motor driving apparatus and air conditioner with using thereof
HITACHI LTD61 citations93
US6898039B2May 24, 2005
Positioning control device for two-stage actuator
HITACHI LTD22 citations92
US5633846AMay 27, 1997
Positioning device for optical disc apparatus
HITACHI LTD20 citations89
HITACHI GLOBAL STORAGE TECH
1 patentSONY SEMICONDUCTOR SOLUTIONS CORP
1 patentShowing the top 50 of 93 patents by PatentIndex Score.