Inventor
OHZAWA SOH
JP48 patents
⚠️ This page may combine multiple inventors who share the name “OHZAWA SOH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINOLTA CO LTD
30 patentsUS5716118AFeb 10, 1998
Imaging optical system
MINOLTA CO LTD176 citations99
US6366400B1Apr 2, 2002
Projection image display optical system
MINOLTA CO LTD94 citations98
US6343862B1Feb 5, 2002
Projecting image display device
MINOLTA CO LTD87 citations98
US6447122B1Sep 10, 2002
Projection image display device using a reflective type display element
MINOLTA CO LTD68 citations96
US6123425ASep 26, 2000
Projecting optical system
MINOLTA CO LTD64 citations96
US5993010ANov 30, 1999
Two-dimensional illumination optical system and liquid crystal projector using same
MINOLTA CO LTD72 citations96
US5820240AOct 13, 1998
Projection optical device
MINOLTA CO LTD83 citations96
US6624952B2Sep 23, 2003
Projection optical system
MINOLTA CO LTD61 citations95
US6803884B1Oct 12, 2004
Projection image display device
MINOLTA CO LTD46 citations93
US6779897B2Aug 24, 2004
Rear projection optical system
MINOLTA CO LTD32 citations93
US6480338B1Nov 12, 2002
Eyepiece optical system and image display apparatus
MINOLTA CO LTD53 citations93
US6297898B1Oct 2, 2001
Optical deflection device
MINOLTA CO LTD23 citations93
US6220712B1Apr 24, 2001
Oblique projection optical system
MINOLTA CO LTD26 citations93
US6201647B1Mar 13, 2001
Image display apparatus
MINOLTA CO LTD52 citations93
US6118501ASep 12, 2000
Projection display apparatus having predetermined conditions to correct distortions
MINOLTA CO LTD21 citations93
US6542204B1Apr 1, 2003
Display optical system
MINOLTA CO LTD43 citations92
US6450648B1Sep 17, 2002
Oblique projection optical system
MINOLTA CO LTD30 citations92
US6331879B1Dec 18, 2001
Liquid crystal projector with an illumination optical system
MINOLTA CO LTD19 citations92
US5528423AJun 18, 1996
Inner focusing zoom lens system
MINOLTA CO LTD23 citations92
US6690517B2Feb 10, 2004
Tilt projection optical system
MINOLTA CO LTD15 citations83
US7178921B2Feb 20, 2007
Image projection apparatus
MINOLTA CO LTD5 citations74
US7021770B2Apr 4, 2006
Rear projection optical system
MINOLTA CO LTD7 citations74
US7002751B2Feb 21, 2006
Image display apparatus
MINOLTA CO LTD8 citations74
US6683726B2Jan 27, 2004
Image display apparatus
MINOLTA CO LTD9 citations74
US5398136AMar 14, 1995
Photographic lens system
MINOLTA CO LTD17 citations74
US6115186ASep 5, 2000
Scanning type image viewing optical system
MINOLTA CO LTD2 citations63
US5911490AJun 15, 1999
Overhead projector
MINOLTA CO LTD5 citations63
US5683161ANov 4, 1997
Projecting optical device
MINOLTA CO LTD3 citations63
US6429971B2Aug 6, 2002
Focusing method for a decentered optical system
MINOLTA CO LTD2 citations62
US6097526AAug 1, 2000
Scanning type image viewing optical system
MINOLTA CO LTD1 citations52
KONICA MINOLTA OPTO INC
9 patentsUS7301578B2Nov 27, 2007
Super-wide-angle optical system and image pickup device
KONICA MINOLTA OPTO INC25 citations93
US7286302B2Oct 23, 2007
Optical system, image pickup device and digital apparatus
KONICA MINOLTA OPTO INC22 citations93
US7922340B2Apr 12, 2011
Projection optical system with enlargement at a varying magnification
KONICA MINOLTA OPTO INC7 citations84
US7869134B2Jan 11, 2011
Variable power optical system, imaging lens system and digital apparatus
KONICA MINOLTA OPTO INC7 citations84
US7457044B2Nov 25, 2008
Ultra wide angle imaging optical system, ultra wide angle imaging lens device, and image sensing apparatus
KONICA MINOLTA OPTO INC16 citations84
US7145732B2Dec 5, 2006
Zoom optical system, imaging lens unit, and digital apparatus
KONICA MINOLTA OPTO INC13 citations84
US7982968B2Jul 19, 2011
Variable-power optical system, image pickup device, and digital apparatus
KONICA MINOLTA OPTO INC4 citations63
US7859764B2Dec 28, 2010
Variable-power optical system, image pickup device, and digital apparatus
KONICA MINOLTA OPTO INC2 citations63
US7177104B2Feb 13, 2007
Image-taking optical system
KONICA MINOLTA OPTO INC1 citations51