Inventor
SUZUMURA YOSHIKATSU
JP6 patents
Patents
6 patentsUS6318860B1Nov 20, 2001
Perimeter
KOWA CO36 citations89
US7393104B2Jul 1, 2008
Ophthalmic testing unit and ophthalmic testing equipment
KOWA CO13 citations82
US5258787ANov 2, 1993
Ophthalmologic apparatus
KOWA CO9 citations72
US6062692AMay 16, 2000
Vision tester
KOWA CO10 citations66
US7658496B2Feb 9, 2010
Perimeter
KOWA CO2 citations61
US6685321B2Feb 3, 2004
Perimeter
KOWA CO5 citations61