Inventor
HANKAWA MASASHI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “HANKAWA MASASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OLYMPUS IMAGING CORP
12 patentsUS7471459B2Dec 30, 2008
Zoom lens system and image pickup apparatus using the same
OLYMPUS IMAGING CORP25 citations92
US7339745B2Mar 4, 2008
Zoom lens system and electronic image pickup apparatus using the same
OLYMPUS IMAGING CORP9 citations84
US8014078B2Sep 6, 2011
Zoom lens and image pickup apparatus equipped with same
OLYMPUS IMAGING CORP6 citations74
US7944622B2May 17, 2011
Zoom lens and image pickup apparatus equipped with same
OLYMPUS IMAGING CORP5 citations74
US7729058B2Jun 1, 2010
Zoom lens system and electronic image pickup apparatus using the same
OLYMPUS IMAGING CORP7 citations74
US7339744B2Mar 4, 2008
Electronic imaging apparatus
OLYMPUS IMAGING CORP7 citations74
US7692872B2Apr 6, 2010
Zoom lens and imaging apparatus incorporating the same
OLYMPUS IMAGING CORP4 citations63
US7623306B2Nov 24, 2009
Zoom lens and imaging apparatus incorporating the same
OLYMPUS IMAGING CORP2 citations63
US7561343B2Jul 14, 2009
Electronic image pickup apparatus using zoom lens system
OLYMPUS IMAGING CORP6 citations62
US7453650B2Nov 18, 2008
Zoom optical system and electronic imaging apparatus having the same
OLYMPUS IMAGING CORP5 citations62
US7948687B2May 24, 2011
Zoom lens and image pickup apparatus equipped with same
OLYMPUS IMAGING CORP0 citations52
US7706082B2Apr 27, 2010
Zoom lens and imaging apparatus incorporating the same
OLYMPUS IMAGING CORP0 citations42
OLYMPUS OPTICAL CO
9 patentsUS5559638ASep 24, 1996
Wide-angle lens system #6
OLYMPUS OPTICAL CO41 citations92
US5727239AMar 10, 1998
Photographing optical apparatus
OLYMPUS OPTICAL CO38 citations91
US5835276ANov 10, 1998
Optical system having compound prism design to reduce ghosts and plares
OLYMPUS OPTICAL CO19 citations90
US5623371AApr 22, 1997
Macro lens system
OLYMPUS OPTICAL CO19 citations84
US6433940B1Aug 13, 2002
Zoom optical system
OLYMPUS OPTICAL CO8 citations74
US6094310AJul 25, 2000
Eyepiece system having wide visual field
OLYMPUS OPTICAL CO9 citations74
US5959782ASep 28, 1999
Eyepiece system having wide visual field
OLYMPUS OPTICAL CO12 citations74
US5596386AJan 21, 1997
Projection and reception type focus detecting apparatus
OLYMPUS OPTICAL CO8 citations74
US5850311ADec 15, 1998
Eyepiece system
OLYMPUS OPTICAL CO3 citations62
OLYMPUS CORP
5 patentsUS7177092B2Feb 13, 2007
Wide-angle, high-zoom-ratio zoom lens
OLYMPUS CORP49 citations92
US7151637B2Dec 19, 2006
Zoom lens and a camera providing the same
OLYMPUS CORP8 citations73
US7006302B2Feb 28, 2006
Image-formation lens,system and imaging system using the same
OLYMPUS CORP3 citations63
US6934091B2Aug 23, 2005
Image-formation lens system, and imaging system using the same
OLYMPUS CORP5 citations63
US6865032B2Mar 8, 2005
Real image type finder optical system, and imaging system comprising the same
OLYMPUS CORP4 citations63