Inventor
KODAIRA JUN-ICHI
JP51 patents
⚠️ This page may combine multiple inventors who share the name “KODAIRA JUN-ICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOPCON CORP
43 patentsUS6483106B1Nov 19, 2002
Rotary laser irradiating system and object reflector for the same
TOPCON CORP79 citations98
US5907907AJun 1, 1999
Laser leveling system
TOPCON CORP133 citations98
US6073353AJun 13, 2000
Laser leveling device
TOPCON CORP63 citations96
US7196776B2Mar 27, 2007
Distance-measuring system
TOPCON CORP49 citations93
US7130035B2Oct 31, 2006
Target for surveying instrument
TOPCON CORP44 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
US5953116ASep 14, 1999
Tilt detecting device
TOPCON CORP20 citations93
US5612781AMar 18, 1997
Object reflector detection system
TOPCON CORP25 citations93
US6894767B2May 17, 2005
Light wave distance-measuring system
TOPCON CORP36 citations92
US6166802ADec 26, 2000
Beam detector
TOPCON CORP36 citations92
US5703718ADec 30, 1997
Object reflector detecting apparatus
TOPCON CORP18 citations92
US5583685ADec 10, 1996
Marking apparatus having feedback-controlled rotational laser beam
TOPCON CORP19 citations92
US5517023AMay 14, 1996
Marking apparatus having feedback-controlled rotational laser beam
TOPCON CORP20 citations92
US7433028B2Oct 7, 2008
Laser surveying instrument
TOPCON CORP14 citations84
US6892464B2May 17, 2005
Laser sighting device
TOPCON CORP18 citations84
US6679609B2Jan 20, 2004
Laser beam irradiation device
TOPCON CORP15 citations84
US5926305AJul 20, 1999
Marking apparatus having feedback-controlled rotational laser beam
TOPCON CORP13 citations81
US5751459AMay 12, 1998
Marking apparatus having feedback-controlled rotational laser beam
TOPCON CORP12 citations81
US7177015B2Feb 13, 2007
Distance-measuring device
TOPCON CORP8 citations74
US6253457B1Jul 3, 2001
Laser beam direction correcting optical system for a surveying instrument
TOPCON CORP14 citations74
US6137568AOct 24, 2000
Optical axis compensator
TOPCON CORP11 citations74
US5909311AJun 1, 1999
Object reflector detecting apparatus
TOPCON CORP8 citations74
US5774211AJun 30, 1998
Laser leveling system for setting pipes
TOPCON CORP12 citations74
US5684579ANov 4, 1997
Automatic tilt angle compensator
TOPCON CORP11 citations74
US10634496B2Apr 28, 2020
Surveying system
TOPCON CORP5 citations73
US9354054B2May 31, 2016
Surveying system
TOPCON CORP5 citations73
US9273959B2Mar 1, 2016
Surveying instrument
TOPCON CORP4 citations73
US9103678B2Aug 11, 2015
Attachment device and total station
TOPCON CORP4 citations73
US5847824ADec 8, 1998
Automatic angle compensator
TOPCON CORP11 citations73
US6137567AOct 24, 2000
Laser survey instrument
TOPCON CORP13 citations71
US9106805B2Aug 11, 2015
Image measuring system
TOPCON CORP3 citations63
US7092076B2Aug 15, 2006
Surveying instrument
TOPCON CORP2 citations63
US6649927B2Nov 18, 2003
Tilt detecting device
TOPCON CORP2 citations63
US6067148AMay 23, 2000
Execution height display device and execution height setting system
TOPCON CORP6 citations63
US5867263AFeb 2, 1999
Laser survey instrument having a reflection light blocking means
TOPCON CORP6 citations63
US5748353AMay 5, 1998
Marking apparatus having feedback-controlled rotational laser beam
TOPCON CORP2 citations62
US9303987B2Apr 5, 2016
Tilt angle detecting device
TOPCON CORP1 citations52
US5959729ASep 28, 1999
Automatic tilt angle compensator
TOPCON CORP0 citations52
US9335168B2May 10, 2016
Rotary drive unit of a surveying instrument and a surveying instrument
TOPCON CORP1 citations51
KUMAGAI KAORU
2 patentsKK TOPCON
2 patentsO'CONNOR RAYMOND M
1 patentKODAIRA JUN-ICHI
1 patentKABISHIKI KAISHA TOPCON
1 patentShowing the top 50 of 51 patents by PatentIndex Score.