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Hiroto Shibuya
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Tokyo-to, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Laser scanner, laser scanner measuring system, calibration method f...
Patent number
8,355,118
Issue date
Jan 15, 2013
Kabushiki Kaisha Topcon
Kazuhiro Ogawa
G01 - MEASURING TESTING
Information
Patent Grant
Laser scanner, laser scanner measuring system, calibration method f...
Patent number
8,310,653
Issue date
Nov 13, 2012
Kabushiki Kaisha Topcon
Kazuhiro Ogawa
G01 - MEASURING TESTING
Information
Patent Grant
Laser beam detecting device for a construction machine
Patent number
6,665,067
Issue date
Dec 16, 2003
Kabushiki Kaisha Topcon
Yohei Ogawa
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Laser reference level setting device
Patent number
6,262,801
Issue date
Jul 17, 2001
Kabushiki Kaisha Topcon
Hiroto Shibuya
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Apparatus for use in construction machines for detecting laser beam...
Patent number
5,917,593
Issue date
Jun 29, 1999
Kabushiki Kaisha Topcon
Satoshi Hirano
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Laser reference level setting device
Patent number
5,841,527
Issue date
Nov 24, 1998
Kabushiki Kaisha TOPCON
Hiroto Shibuya
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Light wave distance meter
Patent number
5,212,533
Issue date
May 18, 1993
Kabushiki Kaisha Topcon
Hiroto Shibuya
G01 - MEASURING TESTING
Patents Applications
last 30 patents
Information
Patent Application
Laser Scanner, Laser Scanner Measuring System, Calibration Method F...
Publication number
20120218546
Publication date
Aug 30, 2012
Kabushiki Kaisha TOPCON
Kazuhiro Ogawa
G01 - MEASURING TESTING
Information
Patent Application
Laser scanner, laser scanner measuring system, calibration method f...
Publication number
20100256940
Publication date
Oct 7, 2010
Kabushiki Kaisha TOPCON
Kazuhiro Ogawa
G01 - MEASURING TESTING
Information
Patent Application
Photodetection device
Publication number
20020190197
Publication date
Dec 19, 2002
Jun Sasagawa
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Laser beam detecting device for a construction machine
Publication number
20020170210
Publication date
Nov 21, 2002
Kabushiki Kaisha TOPCON
Yohei Ogawa
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING