Inventor
MIHASHI TOSHIFUMI
JP47 patents
⚠️ This page may combine multiple inventors who share the name “MIHASHI TOSHIFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOPCON CORP
46 patentsUS6234978B1May 22, 2001
Optical characteristic measuring apparatus
TOPCON CORP56 citations96
US6070981AJun 6, 2000
Ophthalmologic characteristic measuring apparatus
TOPCON CORP66 citations96
US6042233AMar 28, 2000
Optical characteristic measuring apparatus
TOPCON CORP76 citations96
US6685320B2Feb 3, 2004
Opthalmic characteristic measuring apparatus
TOPCON CORP66 citations95
US7441900B2Oct 28, 2008
Contrast chart device, contrast sensitivity measuring device and contrast sensitivity measuring method
TOPCON CORP29 citations93
US7309126B2Dec 18, 2007
Eye characteristics measuring device
TOPCON CORP30 citations93
US7281797B2Oct 16, 2007
Optical-characteristic measurement apparatus and fundus-image observation apparatus
TOPCON CORP22 citations93
US7270413B2Sep 18, 2007
Ophthalmic data measuring apparatus, ophthalmic data measurement program and eye characteristic measuring apparatus
TOPCON CORP44 citations93
US7246906B2Jul 24, 2007
Correction-factor determination apparatus and method
TOPCON CORP32 citations93
US6905209B2Jun 14, 2005
Optical characteristics measuring device
TOPCON CORP21 citations93
US6565210B2May 20, 2003
Ocular optical characteristic measuring apparatus
TOPCON CORP21 citations93
US6273566B1Aug 14, 2001
Ophthalmologic characteristic measuring apparatus
TOPCON CORP34 citations93
US5929970AJul 27, 1999
Optical characteristic measuring apparatus
TOPCON CORP54 citations93
US5847806ADec 8, 1998
Ophthalmological apparatus for forming a sectional image signal of measurement object
TOPCON CORP34 citations93
US5633694AMay 27, 1997
Ophthalmometric apparatus for generating an image of a selection and a surface of an eyeground of a subject
TOPCON CORP26 citations92
US6525883B2Feb 25, 2003
Optical characteristic measuring instrument
TOPCON CORP27 citations91
US6120444ASep 19, 2000
Noncontact tonometer capable of measuring intraocular tension by optically detecting deformation of cornea caused by air current
TOPCON CORP37 citations91
US7568800B2Aug 4, 2009
Apparatus and method for spectrally measuring fundus
TOPCON CORP9 citations84
US7537340B2May 26, 2009
Ophthalmologic imaging apparatus
TOPCON CORP9 citations84
US7530692B2May 12, 2009
Ophthalmologic photographing apparatus
TOPCON CORP17 citations84
US7527379B2May 5, 2009
Ophthalmologic imaging apparatus
TOPCON CORP8 citations84
US7465049B2Dec 16, 2008
Portable ophthalmic apparatus and ophthalmic system
TOPCON CORP15 citations84
USRE39882EOct 16, 2007
Ophthalmologic characteristic measuring apparatus
TOPCON CORP13 citations84
US7270415B2Sep 18, 2007
Retina observation apparatus and retina observation method
TOPCON CORP10 citations84
US7216980B2May 15, 2007
Eye characteristic measuring apparatus
TOPCON CORP17 citations84
US6899428B2May 31, 2005
Contrast sensitivity measuring device and contrast sensitivity measuring method
TOPCON CORP15 citations84
US6802609B2Oct 12, 2004
Eye characteristic measuring apparatus
TOPCON CORP15 citations84
US6629761B1Oct 7, 2003
Eye characteristic measuring apparatus
TOPCON CORP16 citations84
US6536900B2Mar 25, 2003
Eye characteristic measuring apparatus
TOPCON CORP13 citations84
US7635186B2Dec 22, 2009
Ophthalmologic measuring apparatus
TOPCON CORP15 citations83
US7036933B2May 2, 2006
Model eye for eye characteristic measuring device and calibration method for the same
TOPCON CORP12 citations83
US6540692B2Apr 1, 2003
Optical characteristic measuring apparatus
TOPCON CORP12 citations74
US7311402B2Dec 25, 2007
Eye optical characteristic measuring instrument
TOPCON CORP7 citations73
US4958241ASep 18, 1990
Image input apparatus
TOPCON CORP9 citations72
US7500754B2Mar 10, 2009
Ophthalmologic imaging apparatus
TOPCON CORP3 citations63
US7249852B2Jul 31, 2007
Eye characteristic measuring apparatus
TOPCON CORP5 citations63
US6354705B1Mar 12, 2002
Anterior segment photographing apparatus for producing images of a section of the anterior segment of the eye to be examined by using slit light beam
TOPCON CORP6 citations63
US7850305B2Dec 14, 2010
Apparatus and method for measuring spectrum image data of eyeground
TOPCON CORP4 citations62
US7806529B2Oct 5, 2010
Device and method for optometry
TOPCON CORP4 citations62
US7677731B2Mar 16, 2010
Eye optical characteristic measuring apparatus
TOPCON CORP2 citations62
US7241012B2Jul 10, 2007
Ophthalmologic apparatus
TOPCON CORP5 citations59
US11109754B2Sep 7, 2021
Ophthalmic measurement device
TOPCON CORP0 citations52
US7566131B2Jul 28, 2009
Refraction measuring instrument
TOPCON CORP1 citations52
US6860603B2Mar 1, 2005
Best corrected visual acuity characteristics measuring device, best corrected visual acuity characteristics measuring method, contrast sensitivity measuring device, contrast sensitivity measuring method, and contrast sensitivity target displaying device
TOPCON CORP0 citations52
US7219999B2May 22, 2007
Device for measuring optical characteristic of eye
TOPCON CORP0 citations42
US7648240B2Jan 19, 2010
Ophthalmic apparatus
TOPCON CORP0 citations40