Inventor
IKEZAWA YUKIO
JP24 patents
⚠️ This page may combine multiple inventors who share the name “IKEZAWA YUKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOPCON CORP
17 patentsUS5973772AOct 26, 1999
Layout judgment apparatus and layout judgment system
TOPCON CORP66 citations96
US5971537AOct 26, 1999
Lens specifying apparatus
TOPCON CORP55 citations96
US6061123AMay 9, 2000
Lens meter
TOPCON CORP32 citations92
US5910836AJun 8, 1999
Lens meter
TOPCON CORP19 citations92
US5867259AFeb 2, 1999
Hidden-mark observing apparatus and hidden-mark observable lens-meter
TOPCON CORP23 citations92
US5414505AMay 9, 1995
Lens meter for testing progressive lens
TOPCON CORP22 citations92
US6236453B1May 22, 2001
Lens meter
TOPCON CORP15 citations84
US9888847B2Feb 13, 2018
Ophthalmic examination system
TOPCON CORP10 citations83
US6359684B2Mar 19, 2002
Lens specifying device
TOPCON CORP10 citations74
US5896194AApr 20, 1999
Lens meter
TOPCON CORP10 citations74
US5708501AJan 13, 1998
Lens bearer and lensometer incorporating the same
TOPCON CORP7 citations74
US7458686B2Dec 2, 2008
Optometry apparatus
TOPCON CORP7 citations73
US5917586AJun 29, 1999
Lens meter for measuring the optical characteristics of a lens
TOPCON CORP11 citations73
US6145989ANov 14, 2000
Lens meter
TOPCON CORP2 citations63
US6555608B2Apr 29, 2003
White standard paint
TOPCON CORP1 citations52
US11026572B2Jun 8, 2021
Ophthalmic examination system and ophthalmic examination management server
TOPCON CORP0 citations51
US7341349B2Mar 11, 2008
Ophthalmologic apparatus and ophthalmologic chart
TOPCON CORP0 citations51
KAWASAKI HEAVY IND LTD
4 patentsUS10166621B2Jan 1, 2019
Welding device and welding system
KAWASAKI HEAVY IND LTD2 citations71
US10144081B2Dec 4, 2018
Arc welding control system and method
KAWASAKI HEAVY IND LTD2 citations70
US11292073B2Apr 5, 2022
Welding torch and all-position welding device
KAWASAKI HEAVY IND LTD0 citations55
US11292070B2Apr 5, 2022
Welding torch and all-position welding device
KAWASAKI HEAVY IND LTD0 citations44