Inventor
HAYASHI KOHTARO
JP70 patents
⚠️ This page may combine multiple inventors who share the name “HAYASHI KOHTARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINOLTA CO LTD
31 patentsUS6535256B1Mar 18, 2003
Color liquid crystal display device
MINOLTA CO LTD83 citations98
US6343862B1Feb 5, 2002
Projecting image display device
MINOLTA CO LTD87 citations98
US6176586B1Jan 23, 2001
Projection display apparatus
MINOLTA CO LTD99 citations98
US6116739ASep 12, 2000
Color projection display apparatus
MINOLTA CO LTD89 citations98
US6624862B1Sep 23, 2003
Display optical apparatus having a rotary compensator to improve display contrast
MINOLTA CO LTD54 citations96
US6540361B1Apr 1, 2003
Display optical apparatus
MINOLTA CO LTD61 citations96
US6624952B2Sep 23, 2003
Projection optical system
MINOLTA CO LTD61 citations95
US6512633B2Jan 28, 2003
Optical system for compensation of image shake
MINOLTA CO LTD30 citations93
US6347014B1Feb 12, 2002
Illumination optical system and projection-type image display apparatus
MINOLTA CO LTD31 citations93
US6304381B1Oct 16, 2001
Illumination optical apparatus
MINOLTA CO LTD31 citations93
US6285502B1Sep 4, 2001
Zoom lens system having an image blur compensation function
MINOLTA CO LTD25 citations93
US6278552B1Aug 21, 2001
Polarization separation device and projection-type display apparatus
MINOLTA CO LTD46 citations93
US6266189B1Jul 24, 2001
Zoom lens system having an image blur compensating function
MINOLTA CO LTD32 citations93
US6231192B1May 15, 2001
Projecting optical system
MINOLTA CO LTD38 citations93
US5387999AFeb 7, 1995
Camera shake compensating optical system
MINOLTA CO LTD26 citations93
US6407771B1Jun 18, 2002
Camera having an image shift detecting function
MINOLTA CO LTD26 citations92
US6226459B1May 1, 2001
Apparatus having a driven member and a drive controller therefor
MINOLTA CO LTD32 citations92
US6193376B1Feb 27, 2001
Display apparatus
MINOLTA CO LTD34 citations92
US6085039AJul 4, 2000
Apparatus having a driven member and a drive controller therefor
MINOLTA CO LTD16 citations92
US5815742ASep 29, 1998
Apparatus having a driven member and a drive controller therefor
MINOLTA CO LTD20 citations92
US6457828B1Oct 1, 2002
Display optical apparatus
MINOLTA CO LTD18 citations84
US6789902B2Sep 14, 2004
Projection optical system and projector using the same
MINOLTA CO LTD15 citations82
US7075615B2Jul 11, 2006
Light separation device, blazed grating device, diffraction grating device, and illumination optical system
MINOLTA CO LTD9 citations74
US6204968B1Mar 20, 2001
Zoom lens system having a camera shake compensating function
MINOLTA CO LTD11 citations74
US6123424ASep 26, 2000
Optical system for use in an image projector
MINOLTA CO LTD13 citations74
US6046852AApr 4, 2000
Lens system with image blur correction
MINOLTA CO LTD15 citations74
US6002519ADec 14, 1999
Taking optical system having a hand-shake correction function
MINOLTA CO LTD15 citations74
US5973836AOct 26, 1999
Optical system having an optical system shake compensating function
MINOLTA CO LTD10 citations74
US5585965ADec 17, 1996
Zoom viewfinder system for single reflex camera
MINOLTA CO LTD9 citations74
US6791750B2Sep 14, 2004
Polarization beam splitter
MINOLTA CO LTD11 citations73
US6315415B1Nov 13, 2001
Image projector
MINOLTA CO LTD9 citations73
MINOLTA CAMERA KK
13 patentsUS5363163ANov 8, 1994
Finder optical system for pseudo focal length
MINOLTA CAMERA KK22 citations93
US5255030AOct 19, 1993
Camera
MINOLTA CAMERA KK32 citations93
US5572361ANov 5, 1996
Binocular system with automatic diopter power adjustment
MINOLTA CAMERA KK28 citations91
US5086353AFeb 4, 1992
Variable magnification viewfinder optical system
MINOLTA CAMERA KK28 citations89
US5196877AMar 23, 1993
Viewfinder framing device for zoom lens camera
MINOLTA CAMERA KK20 citations82
US5194886AMar 16, 1993
Finder optical system
MINOLTA CAMERA KK20 citations82
US5170204ADec 8, 1992
Display system for displaying information in the viewfinder of a camera
MINOLTA CAMERA KK21 citations82
US5023649AJun 11, 1991
Exposure controlling apparatus of a camera having a plurality of areas for measuring brightness
MINOLTA CAMERA KK20 citations82
US5359385AOct 25, 1994
Camera having learning function
MINOLTA CAMERA KK17 citations74
US5291233AMar 1, 1994
Camera having an auto zoom function
MINOLTA CAMERA KK8 citations74
US5258799ANov 2, 1993
Auto focus camera with pseudo focal length mode
MINOLTA CAMERA KK17 citations74
US5019854AMay 28, 1991
Display system for displaying information in the viewfinder of a camera
MINOLTA CAMERA KK18 citations74
US4977424ADec 11, 1990
Light measuring device for camera
MINOLTA CAMERA KK12 citations74
KONICA MINOLTA OPTO INC
2 patentsYAMADA KEIKO
2 patentsPANASONIC CORP
1 patentIMAOKA MASAYUKI
1 patentShowing the top 50 of 70 patents by PatentIndex Score.