Inventor
HANZAWA TOYOHARU
JP38 patents
⚠️ This page may combine multiple inventors who share the name “HANZAWA TOYOHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OLYMPUS CORP
19 patentsUS7057659B1Jun 6, 2006
Image pickup device and image pickup optical system
OLYMPUS CORP38 citations96
US7872806B2Jan 18, 2011
Electronic image pickup system
OLYMPUS CORP15 citations92
US7436599B2Oct 14, 2008
Electronic image pickup system
OLYMPUS CORP18 citations92
US7253834B2Aug 7, 2007
Image pickup apparatus having image pickup optical system
OLYMPUS CORP11 citations84
US7085045B2Aug 1, 2006
Stereoscopic microscope
OLYMPUS CORP14 citations84
US6996341B2Feb 7, 2006
Photographic apparatus for stereoscopic microscope
OLYMPUS CORP18 citations84
US7365910B2Apr 29, 2008
Electronic image pickup system
OLYMPUS CORP6 citations74
US7567288B2Jul 28, 2009
Image pickup device and image pickup optical system
OLYMPUS CORP3 citations63
US7564497B2Jul 21, 2009
Image pickup device and image pickup optical system
OLYMPUS CORP2 citations63
US7167304B2Jan 23, 2007
Binocular stereoscopic observation apparatus, electronic image stereomicroscope, electronic image stereoscopic observation apparatus, and electronic image observation apparatus
OLYMPUS CORP5 citations63
US11933961B2Mar 19, 2024
Stereoscopic vision endoscope objective optical system and endoscope using the same
OLYMPUS CORP0 citations52
US11249299B2Feb 15, 2022
Stereoscopic vision optical system and endoscope using the same
OLYMPUS CORP0 citations52
US10031322B2Jul 24, 2018
Electronic image pickup system
OLYMPUS CORP0 citations52
US9696524B2Jul 4, 2017
Electronic image pickup system
OLYMPUS CORP0 citations52
US9274321B2Mar 1, 2016
Electronic image pickup system
OLYMPUS CORP0 citations52
US7605859B2Oct 20, 2009
Image pickup device and image pickup optical system that optically reduce color flares
OLYMPUS CORP0 citations52
US7602437B2Oct 13, 2009
Image pickup device and image pickup optical system
OLYMPUS CORP0 citations52
US7432974B2Oct 7, 2008
Image pickup device and image pickup optical system
OLYMPUS CORP0 citations52
US7380998B2Jun 3, 2008
Image pickup apparatus having image pickup optical system
OLYMPUS CORP1 citations52
OLYMPUS OPTICAL CO
15 patentsUS5588948ADec 31, 1996
Stereoscopic endoscope
OLYMPUS OPTICAL CO176 citations99
US5577991ANov 26, 1996
Three-dimensional vision endoscope with position adjustment means for imaging device and visual field mask
OLYMPUS OPTICAL CO324 citations99
US5720706AFeb 24, 1998
Stereoscopic endoscope
OLYMPUS OPTICAL CO68 citations96
US5579772ADec 3, 1996
Surgical microscope system
OLYMPUS OPTICAL CO53 citations95
US5729382AMar 17, 1998
Large exit-pupil stereoscopic microscope
OLYMPUS OPTICAL CO49 citations93
US6618210B2Sep 9, 2003
Zoom lens system and image pickup apparatus having the same
OLYMPUS OPTICAL CO27 citations92
US6327079B1Dec 4, 2001
Stereoscopic microscope
OLYMPUS OPTICAL CO31 citations92
US5822114AOct 13, 1998
Stereomicroscope
OLYMPUS OPTICAL CO27 citations92
US5552929ASep 3, 1996
Stereomicroscope
OLYMPUS OPTICAL CO46 citations92
US5227914AJul 13, 1993
Stereomicroscope including a single variable magnification optical system
OLYMPUS OPTICAL CO25 citations92
US6304374B1Oct 16, 2001
Stereomicroscope
OLYMPUS OPTICAL CO15 citations84
US5394267AFeb 28, 1995
Stereomicroscope
OLYMPUS OPTICAL CO10 citations74
US5341239AAug 23, 1994
Stereomicroscope equipped with eyepiece including variable magnification optical system
OLYMPUS OPTICAL CO7 citations74
US5331457AJul 19, 1994
Stereomicroscope wherein the distance between a pair of beams remains unchanged when the magnification is changed
OLYMPUS OPTICAL CO14 citations74
US5142409AAug 25, 1992
Objective lens system
OLYMPUS OPTICAL CO15 citations74