Inventor
OHTOMO FUMIO
JP261 patents
⚠️ This page may combine multiple inventors who share the name “OHTOMO FUMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOPCON CORP
36 patentsUS6046800AApr 4, 2000
Position detection surveying device
TOPCON CORP160 citations99
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
US5771978AJun 30, 1998
Grading implement elevation controller with tracking station and reference laser beam
TOPCON CORP104 citations98
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
US6249338B1Jun 19, 2001
Laser survey instrument
TOPCON CORP37 citations96
US6073353AJun 13, 2000
Laser leveling device
TOPCON CORP63 citations96
US6011613AJan 4, 2000
Laser survey instrument
TOPCON CORP37 citations96
US5894123AApr 13, 1999
Laser rotary irradiating system for irradiating a laser beam
TOPCON CORP83 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
US5054911AOct 8, 1991
Light wave distance measuring instrument of the pulse type
TOPCON CORP84 citations96
US9201422B2Dec 1, 2015
Measuring system
TOPCON CORP43 citations94
US9007461B2Apr 14, 2015
Aerial photograph image pickup method and aerial photograph image pickup apparatus
TOPCON CORP21 citations93
US7804996B2Sep 28, 2010
Method for associating stereo image and three-dimensional data preparation system
TOPCON CORP41 citations93
US7552025B2Jun 23, 2009
Position data interpolation method, position detecting sensor and position measuring device
TOPCON CORP24 citations93
US7515256B2Apr 7, 2009
Position measuring instrument
TOPCON CORP44 citations93
US7196776B2Mar 27, 2007
Distance-measuring system
TOPCON CORP49 citations93
US7130035B2Oct 31, 2006
Target for surveying instrument
TOPCON CORP44 citations93
US7110102B2Sep 19, 2006
Working position measuring system
TOPCON CORP39 citations93
US7022962B2Apr 4, 2006
Position determining apparatus
TOPCON CORP35 citations93
US6796040B2Sep 28, 2004
Line laser device
TOPCON CORP22 citations93
US6756581B2Jun 29, 2004
Deviation detecting device, rotary laser apparatus with the same, and position determining system with deviation detecting/correcting device
TOPCON CORP22 citations93
US6675489B2Jan 13, 2004
Laser sighting device
TOPCON CORP29 citations93
US6646732B2Nov 11, 2003
Position determination and adjustment system and light sensing device used for the same
TOPCON CORP50 citations93
US6493067B1Dec 10, 2002
Rotary laser irradiating system
TOPCON CORP35 citations93
US6453569B1Sep 24, 2002
Surveying instrument and plumbing device for plumbing surveying instrument
TOPCON CORP36 citations93
TOKYO OPTICAL
7 patentsUS4947849AAug 14, 1990
Non-contact type tonometer
TOKYO OPTICAL80 citations96
US4803645AFeb 7, 1989
Method and apparatus for measuring coordinates
TOKYO OPTICAL62 citations96
US4531833AJul 30, 1985
Optical range finder
TOKYO OPTICAL85 citations96
US4580046AApr 1, 1986
Displacement measuring device utilizing an incremental code
TOKYO OPTICAL55 citations95
US4580047AApr 1, 1986
Displacement measuring device utilizing an incremental code
TOKYO OPTICAL75 citations95
US4820264AApr 11, 1989
Infusion instrument
TOKYO OPTICAL60 citations94
US4692023ASep 8, 1987
Optical adapter for a light-wave rangefinder
TOKYO OPTICAL76 citations94
TOSHIBA KK
4 patentsUS5624231AApr 29, 1997
Cooled turbine blade for a gas turbine
TOSHIBA KK112 citations97
US5538394AJul 23, 1996
Cooled turbine blade for a gas turbine
TOSHIBA KK110 citations97
US5120192AJun 9, 1992
Cooled turbine blade and combined cycle power plant having gas turbine with this cooled turbine blade
TOSHIBA KK157 citations96
US4992026AFeb 12, 1991
Gas turbine blade
TOSHIBA KK86 citations96
KK TOPCON
2 patents(unassigned)
1 patentShowing the top 50 of 261 patents by PatentIndex Score.