Inventor
HAYASHI TAKEFUMI
JP32 patents
⚠️ This page may combine multiple inventors who share the name “HAYASHI TAKEFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOPCON CORP
19 patentsUS6070981AJun 6, 2000
Ophthalmologic characteristic measuring apparatus
TOPCON CORP66 citations96
US7777893B2Aug 17, 2010
Optical image measurement device
TOPCON CORP17 citations92
US7643154B2Jan 5, 2010
Optical image measurement device
TOPCON CORP31 citations92
US5886780AMar 23, 1999
Refractometer with deflecting element
TOPCON CORP19 citations92
USRE39882EOct 16, 2007
Ophthalmologic characteristic measuring apparatus
TOPCON CORP13 citations84
US6409344B1Jun 25, 2002
Ocular refractive-power measuring device
TOPCON CORP19 citations84
US6974215B2Dec 13, 2005
Optical instrument
TOPCON CORP11 citations74
US6439719B2Aug 27, 2002
Ophthalmological apparatus
TOPCON CORP8 citations74
US10791922B2Oct 6, 2020
Ophthalmological device and ophthalmological inspection system
TOPCON CORP2 citations71
US7982880B2Jul 19, 2011
Optical image measurement device
TOPCON CORP3 citations63
US7216983B2May 15, 2007
Ophthalmologic apparatus
TOPCON CORP3 citations63
US7859680B2Dec 28, 2010
Optical image measurement device
TOPCON CORP6 citations62
US11813022B2Nov 14, 2023
Ophthalmic apparatus, controlling method thereof, and recording medium
TOPCON CORP0 citations61
US11547294B2Jan 10, 2023
Ophthalmic apparatus, controlling method thereof, and recording medium
TOPCON CORP0 citations61
US11253148B2Feb 22, 2022
Ophthalmological device and ophthalmological inspection system
TOPCON CORP0 citations60
US7275823B2Oct 2, 2007
Optometric device
TOPCON CORP3 citations60
US7341349B2Mar 11, 2008
Ophthalmologic apparatus and ophthalmologic chart
TOPCON CORP0 citations51
US10980414B2Apr 20, 2021
Ophthalmologic apparatus
TOPCON CORP0 citations50
US10743760B2Aug 18, 2020
Ophthalmological device and ophthalmological inspection system
TOPCON CORP0 citations39
KK TOPCON
6 patentsUS9949635B2Apr 24, 2018
Ophthalmic surgical apparatus and attachment for ophthalmic surgery
KK TOPCON4 citations73
US10136809B2Nov 27, 2018
Ophthalmic apparatus
KK TOPCON2 citations71
US9980643B2May 29, 2018
Ophthalmologic apparatus
KK TOPCON3 citations71
US9526416B2Dec 27, 2016
Ophthalmologic apparatus
KK TOPCON2 citations60
US10285585B2May 14, 2019
Ophthalmic surgical apparatus and attachment for ophthalmic surgery
KK TOPCON0 citations52
US9615734B2Apr 11, 2017
Ophthalmologic apparatus
KK TOPCON0 citations42
HAYASHI TAKEFUMI
3 patentsUS8801180B2Aug 12, 2014
Ophthalmic tomographic imager with corneo-retinal image analysis
HAYASHI TAKEFUMI7 citations83
US8622547B2Jan 7, 2014
Fundus observation apparatus
HAYASHI TAKEFUMI11 citations82
US8646913B2Feb 11, 2014
Optical image measuring device and control method thereof
HAYASHI TAKEFUMI2 citations61