Inventor
KATO TAKEYUKI
JP26 patents
⚠️ This page may combine multiple inventors who share the name “KATO TAKEYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOPCON CORP
23 patentsUS5971537AOct 26, 1999
Lens specifying apparatus
TOPCON CORP55 citations96
US5973772AOct 26, 1999
Layout judgment apparatus and layout judgment system
TOPCON CORP66 citations96
US7152976B2Dec 26, 2006
Apparatus for simulating processing of eyeglass lenses
TOPCON CORP17 citations92
US6634754B2Oct 21, 2003
Eyeglass frame selecting system
TOPCON CORP38 citations92
US6061123AMay 9, 2000
Lens meter
TOPCON CORP32 citations92
US5910836AJun 8, 1999
Lens meter
TOPCON CORP19 citations92
US5822446AOct 13, 1998
Ophthalmological image processing system for recording specific portions of the image
TOPCON CORP31 citations92
US6082859AJul 4, 2000
Ophthalmological photographing apparatus
TOPCON CORP26 citations90
US6428301B1Aug 6, 2002
Lens molding apparatus and lens molding tool
TOPCON CORP19 citations84
US6236453B1May 22, 2001
Lens meter
TOPCON CORP15 citations84
US7274806B2Sep 25, 2007
Service system for selecting personal goods to wear or carry, and program product therefor
TOPCON CORP12 citations82
US6937328B2Aug 30, 2005
Method for measuring refractive power and apparatus therefor
TOPCON CORP7 citations74
US6778264B2Aug 17, 2004
Lens meter
TOPCON CORP8 citations74
US6359684B2Mar 19, 2002
Lens specifying device
TOPCON CORP10 citations74
US5255026AOct 19, 1993
Stereo eye fundus camera
TOPCON CORP18 citations74
US5565938AOct 15, 1996
Ophthalmologic apparatus having improved display capability
TOPCON CORP17 citations73
US7292713B2Nov 6, 2007
Eye test service system
TOPCON CORP9 citations72
US7010146B2Mar 7, 2006
Database constructing system
TOPCON CORP9 citations72
US5694197ADec 2, 1997
Corneal shape measuring apparatus
TOPCON CORP13 citations72
US6950180B2Sep 27, 2005
Lens meter
TOPCON CORP4 citations63
US6145989ANov 14, 2000
Lens meter
TOPCON CORP2 citations63
US6705728B2Mar 16, 2004
Ophthalmologic apparatus
TOPCON CORP3 citations62
US5668623ASep 16, 1997
Corneal shape measuring apparatus
TOPCON CORP6 citations62