Inventor
TSUKADA HISASHI
JP51 patents
⚠️ This page may combine multiple inventors who share the name “TSUKADA HISASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOPCON CORP
41 patentsUS7789511B2Sep 7, 2010
Eye movement measuring apparatus, eye movement measuring method and recording medium
TOPCON CORP23 citations93
US7777893B2Aug 17, 2010
Optical image measurement device
TOPCON CORP17 citations92
US7756311B2Jul 13, 2010
Optical image measuring device, optical image measuring program, fundus observation device, and fundus observation program
TOPCON CORP21 citations92
US7643154B2Jan 5, 2010
Optical image measurement device
TOPCON CORP31 citations92
US7641338B2Jan 5, 2010
Fundus observation device
TOPCON CORP19 citations92
US7604351B2Oct 20, 2009
Optical image measurement device and optical image measurement method
TOPCON CORP33 citations92
US7566128B2Jul 28, 2009
Fundus observation device, fundus image display device and fundus observation program
TOPCON CORP35 citations92
US7527378B2May 5, 2009
Fundus observation device
TOPCON CORP21 citations92
US7492466B2Feb 17, 2009
Optical image measuring apparatus and optical image measuring method
TOPCON CORP35 citations92
US7372578B2May 13, 2008
Optical image measuring apparatus
TOPCON CORP25 citations92
US7248371B2Jul 24, 2007
Optical image measuring apparatus
TOPCON CORP21 citations92
US7980697B2Jul 19, 2011
Fundus oculi observation device and ophthalmic image display device
TOPCON CORP11 citations84
US7905597B2Mar 15, 2011
Fundus observation device and a program controlling the same
TOPCON CORP10 citations84
US7905596B2Mar 15, 2011
Fundus observation device, an ophthalmologic image processing unit, an ophthalmologic image processing program, and an ophthalmologic image processing method
TOPCON CORP12 citations84
US7549746B2Jun 23, 2009
Fundus observation device
TOPCON CORP11 citations84
US7548320B2Jun 16, 2009
Optical image measuring apparatus
TOPCON CORP16 citations84
US7458684B2Dec 2, 2008
Fundus observation device
TOPCON CORP16 citations84
US7268885B2Sep 11, 2007
Optical image measuring apparatus for forming an image of an object to be measured based on interference light
TOPCON CORP19 citations84
US7794083B2Sep 14, 2010
Fundus oculi observation device and fundus oculi image display device
TOPCON CORP15 citations83
US8348426B2Jan 8, 2013
Optical image measurement device and image processing device
TOPCON CORP6 citations73
US5694197ADec 2, 1997
Corneal shape measuring apparatus
TOPCON CORP13 citations72
US5903334AMay 11, 1999
Ophthalmologic apparatus and ophthalmologic-data management system for identifying a type of measuring instrument from ophthalmologic data and managing ophthalmologic data according to measuring instrument type
TOPCON CORP9 citations71
US11754516B2Sep 12, 2023
Nondestructive test system comprising a neutron emission unit for emitting fast neutrons and a neutron detection unit for detecting thermal neutrons, and nondestructive test method
TOPCON CORP2 citations70
US12468135B2Nov 11, 2025
Slit lamp microscope
TOPCON CORP0 citations63
US12226160B2Feb 18, 2025
Method of processing optical coherence tomography (OCT) data, method of OCT imaging, and OCT data processing apparatus
TOPCON CORP0 citations63
US11849996B2Dec 26, 2023
Method of processing optical coherence tomography (OCT) data, method of OCT imaging, and OCT data processing apparatus
TOPCON CORP0 citations63
US11617505B2Apr 4, 2023
Ophthalmic system, ophthalmic information processing device, and ophthalmic diagnosing method
TOPCON CORP1 citations63
US11375892B2Jul 5, 2022
Method of processing optical coherence tomography (OCT) data and OCT data processing apparatus
TOPCON CORP0 citations63
US11229355B2Jan 25, 2022
Method of optical coherence tomography (OCT) imaging, method of processing OCT data, and OCT apparatus
TOPCON CORP0 citations63
US8009297B2Aug 30, 2011
Optical image measuring apparatus
TOPCON CORP3 citations63
US7982880B2Jul 19, 2011
Optical image measurement device
TOPCON CORP3 citations63
US7837328B2Nov 23, 2010
Optical image-measuring device
TOPCON CORP3 citations63
US7245383B2Jul 17, 2007
Optical image measuring apparatus for obtaining a signal intensity and spatial phase distribution of interference light
TOPCON CORP6 citations63
US7241982B2Jul 10, 2007
Optical image transmitting system, optical image transmitting apparatus, optical image receiving apparatus, and optical image transmitting method
TOPCON CORP2 citations63
US11747288B2Sep 5, 2023
Non-destructive inspection system comprising neutron radiation source and neutron radiation method
TOPCON CORP0 citations59
US12543950B2Feb 10, 2026
Slit lamp microscope, ophthalmic information processing apparatus, ophthalmic system, method of controlling slit lamp microscope, and recording medium
TOPCON CORP0 citations52
US12539039B2Feb 3, 2026
Slit lamp microscope
TOPCON CORP0 citations52
US12478252B2Nov 25, 2025
Slit lamp microscope, ophthalmic system, method of controlling slit lamp microscope, and recording medium
TOPCON CORP0 citations52
US11950849B2Apr 9, 2024
Ophthalmic system, ophthalmic information processing apparatus, and recording medium
TOPCON CORP0 citations52
US10881295B2Jan 5, 2021
Ophthalmic system, ophthalmic information processing apparatus, and ophthalmic information processing method
TOPCON CORP0 citations52
US12262948B2Apr 1, 2025
Microscope and function expansion unit
TOPCON CORP0 citations51
KK TOPCON
5 patentsUS9789312B2Oct 17, 2017
Retinal prosthesis system
KK TOPCON7 citations84
US9596987B2Mar 21, 2017
Ophthalmologic imaging apparatus
KK TOPCON8 citations84
US9717408B2Aug 1, 2017
Ophthalmologic imaging apparatus for stimulated eye
KK TOPCON1 citations52
US10820803B2Nov 3, 2020
Patient management system and patient management server
KK TOPCON0 citations42
US10548472B2Feb 4, 2020
Ophthalmic examination support system, ophthalmic examination support server and ophthalmic examination support device
KK TOPCON0 citations42
JAPAN STEEL WORKS LTD
2 patents3 D MATRIX LTD
1 patentCANON USA INC
1 patentShowing the top 50 of 51 patents by PatentIndex Score.