Assignee
TOPCON CORP
JP1,294 patents
Top patents by PatentIndex Score
US6046800AApr 4, 2000
Position detection surveying device
TOPCON CORP160 citations99
US5226910AJul 13, 1993
Surgical cutter
TOPCON CORP696 citations99
US8045762B2Oct 25, 2011
Surveying method, surveying system and surveying data processing program
TOPCON CORP63 citations98
US7127822B2Oct 31, 2006
Surveying instrument
TOPCON CORP66 citations98
US6483106B1Nov 19, 2002
Rotary laser irradiating system and object reflector for the same
TOPCON CORP79 citations98
US6445446B1Sep 3, 2002
Surveying instrument
TOPCON CORP85 citations98
US6396571B2May 28, 2002
Portable type distance measuring apparatus
TOPCON CORP80 citations98
US5907907AJun 1, 1999
Laser leveling system
TOPCON CORP133 citations98
US5898490AApr 27, 1999
Laser survey instrument
TOPCON CORP104 citations98
US5865829AFeb 2, 1999
Medical optical apparatus
TOPCON CORP116 citations98
US5771978AJun 30, 1998
Grading implement elevation controller with tracking station and reference laser beam
TOPCON CORP104 citations98
US5195961AMar 23, 1993
Aspirator
TOPCON CORP151 citations98
US5106364AApr 21, 1992
Surgical cutter
TOPCON CORP497 citations98
US7649920B2Jan 19, 2010
Q-switched microlaser apparatus and method for use
TOPCON CORP100 citations97
USD585903SFeb 3, 2009
User interface for ophthalmic instrument
TOPCON CORP61 citations97
US7370966B2May 13, 2008
Opthalmologic apparatus
TOPCON CORP59 citations97
USD552736SOct 9, 2007
Ophthalmic instrument
TOPCON CORP105 citations97
US7222021B2May 22, 2007
Operator guiding system
TOPCON CORP71 citations97
US7206080B2Apr 17, 2007
Surface shape measurement apparatus, surface shape measurement method, surface state graphic apparatus
TOPCON CORP60 citations97
US6171018B1Jan 9, 2001
Automatic control system for construction machinery
TOPCON CORP103 citations97
US7474388B2Jan 6, 2009
Distance measuring device
TOPCON CORP76 citations96
US7319512B2Jan 15, 2008
Surveying instrument
TOPCON CORP52 citations96
US6859269B2Feb 22, 2005
Surveying instrument and method for acquiring image data by using the surveying instrument
TOPCON CORP66 citations96
US6573981B2Jun 3, 2003
Electronic level
TOPCON CORP72 citations96
US6442293B1Aug 27, 2002
Image forming apparatus, image forming method and computer-readable storage medium having an image forming program
TOPCON CORP50 citations96
US6249338B1Jun 19, 2001
Laser survey instrument
TOPCON CORP37 citations96
US6234978B1May 22, 2001
Optical characteristic measuring apparatus
TOPCON CORP56 citations96
US6073353AJun 13, 2000
Laser leveling device
TOPCON CORP63 citations96
US6070981AJun 6, 2000
Ophthalmologic characteristic measuring apparatus
TOPCON CORP66 citations96
US6042233AMar 28, 2000
Optical characteristic measuring apparatus
TOPCON CORP76 citations96
US6011613AJan 4, 2000
Laser survey instrument
TOPCON CORP37 citations96
US5971537AOct 26, 1999
Lens specifying apparatus
TOPCON CORP55 citations96
US5973772AOct 26, 1999
Layout judgment apparatus and layout judgment system
TOPCON CORP66 citations96
US5936706AAug 10, 1999
Ophthalmic instrument
TOPCON CORP55 citations96
US5894123AApr 13, 1999
Laser rotary irradiating system for irradiating a laser beam
TOPCON CORP83 citations96
US5835266ANov 10, 1998
Medical microscopic system
TOPCON CORP76 citations96
US5819424AOct 13, 1998
Laser leveling device
TOPCON CORP74 citations96
US5784155AJul 21, 1998
Laser survey instrument
TOPCON CORP46 citations96
US5767952AJun 16, 1998
Surveying instrument
TOPCON CORP66 citations96
US5572266ANov 5, 1996
Fundus camera
TOPCON CORP59 citations96
US5054911AOct 8, 1991
Light wave distance measuring instrument of the pulse type
TOPCON CORP84 citations96
USD582556SDec 9, 2008
Fundus camera
TOPCON CORP48 citations95
USD553750SOct 23, 2007
Controller for ophthalmic instrument
TOPCON CORP49 citations95
US6685320B2Feb 3, 2004
Opthalmic characteristic measuring apparatus
TOPCON CORP66 citations95
US6104481AAug 15, 2000
Surface inspection apparatus
TOPCON CORP113 citations95
US6053865AApr 25, 2000
Retinal disease analyzer
TOPCON CORP67 citations95
US6023326AFeb 8, 2000
Surveying system
TOPCON CORP115 citations95
US5868134AFeb 9, 1999
Retinal disease analyzer
TOPCON CORP77 citations95
US5485266AJan 16, 1996
Laser beam survey instrument having a tiltable laser beam axis and tilt detectors
TOPCON CORP130 citations95
US5440112AAug 8, 1995
Surveying instrument having mode judgement means
TOPCON CORP74 citations95
Showing the top 50 of 1,294 patents by PatentIndex Score.