Inventor
FUJIEDA MASANAO
JP35 patents
⚠️ This page may combine multiple inventors who share the name “FUJIEDA MASANAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIDEK KK
34 patentsUS5907388AMay 25, 1999
Ophthalmic measurement apparatus having plural pairs of photoreceiving elements
NIDEK KK63 citations96
US5500697AMar 19, 1996
Ophthalmic apparatus for measuring refractive characteristic of eye to be measured
NIDEK KK89 citations96
US5463430AOct 31, 1995
Examination apparatus for examining an object having a spheroidal reflective surface
NIDEK KK99 citations96
US7374286B2May 20, 2008
Ophthalmic apparatus and a method for calculating internal eye refractive power distribution
NIDEK KK39 citations92
US7284861B2Oct 23, 2007
Ophthalmic apparatus and corneal surgery apparatus
NIDEK KK26 citations92
US7123751B1Oct 17, 2006
Ophthalmic apparatus, ophthalmic system and method for managing ophthalmic data
NIDEK KK31 citations92
US6655805B2Dec 2, 2003
Ophthalmic apparatus
NIDEK KK31 citations92
US6547392B2Apr 15, 2003
Ophthalmic apparatus
NIDEK KK26 citations92
US6079828AJun 27, 2000
Ophthalmic measurement apparatus
NIDEK KK21 citations92
US6033075AMar 7, 2000
Ophthalmic apparatus
NIDEK KK85 citations92
US5889576AMar 30, 1999
Ophthalmic apparatus
NIDEK KK42 citations92
US5861937AJan 19, 1999
Ophthalmic apparatus
NIDEK KK40 citations92
US5844671ADec 1, 1998
Lens meter
NIDEK KK19 citations92
US5764341AJun 9, 1998
Ophthalmic apparatus
NIDEK KK36 citations92
US5565939AOct 15, 1996
Wireless ophthalmic apparatus
NIDEK KK25 citations92
US5528323AJun 18, 1996
Ophthalmic apparatus including hand-held measuring device and wireless data transmission
NIDEK KK53 citations92
US5521700AMay 28, 1996
Meter for testing progressive multifocus lenses
NIDEK KK33 citations92
US5872625AFeb 16, 1999
Apparatus for measuring an optical characteristic of an examined lens
NIDEK KK20 citations91
US6467907B1Oct 22, 2002
Apparatus for determining an amount of corneal ablation and surgical apparatus for a cornea
NIDEK KK45 citations85
US7112194B2Sep 26, 2006
Method and apparatus for obtaining irradiation intensity of a laser beam, and apparatus for irradiating the laser beam
NIDEK KK18 citations84
US6361168B1Mar 26, 2002
Ophthalmic apparatus
NIDEK KK19 citations84
US7370969B2May 13, 2008
Corneal topography analysis system
NIDEK KK16 citations83
US6712808B2Mar 30, 2004
Laser surgery apparatus
NIDEK KK11 citations74
US6511181B1Jan 28, 2003
Diagnosing apparatus
NIDEK KK11 citations74
US6190011B1Feb 20, 2001
Ophthalmic apparatus and a method for storing opthalmic information therefor
NIDEK KK10 citations74
US5563667AOct 8, 1996
Opthalmic apparatus having lowered consumption of electric power
NIDEK KK17 citations74
US5420652AMay 30, 1995
Visual acuity test mark displaying device
NIDEK KK13 citations74
US5684576ANov 4, 1997
Lens meter
NIDEK KK9 citations73
US5352889AOct 4, 1994
Positioning mechanism of ophthalmologic apparatus
NIDEK KK9 citations73
US5212507AMay 18, 1993
Apparatus for measuring cornea shape
NIDEK KK12 citations72
US7506980B2Mar 24, 2009
Ophthalmic apparatus
NIDEK KK4 citations63
US5532772AJul 2, 1996
Ophthalmic apparatus with positioning control
NIDEK KK6 citations62
US7559651B2Jul 14, 2009
Ophthalmic measurement apparatus
NIDEK KK1 citations51
US7296896B2Nov 20, 2007
Ophthalmic measurement apparatus
NIDEK KK0 citations41