Inventor
HIROHARA YOKO
JP32 patents
⚠️ This page may combine multiple inventors who share the name “HIROHARA YOKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOPCON CORP
30 patentsUS6685320B2Feb 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
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
US7360894B2Apr 22, 2008
Opthalmological apparatus
TOPCON CORP27 citations92
US6525883B2Feb 25, 2003
Optical characteristic measuring instrument
TOPCON CORP27 citations91
US7568800B2Aug 4, 2009
Apparatus and method for spectrally measuring fundus
TOPCON CORP9 citations84
US7465049B2Dec 16, 2008
Portable ophthalmic apparatus and ophthalmic system
TOPCON CORP15 citations84
US7216980B2May 15, 2007
Eye characteristic measuring apparatus
TOPCON CORP17 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
US7249851B2Jul 31, 2007
Eye characteristic measuring apparatus
TOPCON CORP11 citations83
US7036933B2May 2, 2006
Model eye for eye characteristic measuring device and calibration method for the same
TOPCON CORP12 citations83
US6695450B2Feb 24, 2004
Ophthalmic characteristics measuring apparatus
TOPCON CORP13 citations81
US7311402B2Dec 25, 2007
Eye optical characteristic measuring instrument
TOPCON CORP7 citations73
US7490939B2Feb 17, 2009
Eye characteristics measuring system
TOPCON CORP5 citations63
US7249852B2Jul 31, 2007
Eye characteristic measuring apparatus
TOPCON CORP5 citations63
US7222962B2May 29, 2007
Opthalmic measuring apparatus
TOPCON CORP6 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
US12582309B2Mar 24, 2026
Ophthalmic apparatus
TOPCON CORP0 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
US7309127B2Dec 18, 2007
Ophthalmic measuring apparatus
TOPCON CORP0 citations42
US7219999B2May 22, 2007
Device for measuring optical characteristic of eye
TOPCON CORP0 citations42