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Takaaki Yamazaki
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Measuring method and measuring device
Patent number
8,384,913
Issue date
Feb 26, 2013
Kabushiki Kaisha Topcon
You Sasaki
G01 - MEASURING TESTING
Information
Patent Grant
Laser level detection system
Patent number
7,814,670
Issue date
Oct 19, 2010
Kabushiki Kaisha Topcon
Yasutaka Katayama
G01 - MEASURING TESTING
Information
Patent Grant
Laser measuring system
Patent number
7,589,829
Issue date
Sep 15, 2009
Kabushiki Kaisha Topcon
Takaaki Yamazaki
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Power-saving control method in laser measuring system and laser mea...
Patent number
7,483,153
Issue date
Jan 27, 2009
Kabushiki Kaisha Topcon
Takaaki Yamazaki
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Satellite surveying receiver
Patent number
D519392
Issue date
Apr 25, 2006
Kabushiki Kaisha Topcon
Mitsuo Ishii
D10 - Measuring, testing, or signalling instruments
Information
Patent Grant
Apparatus for rotating a laser
Patent number
6,798,548
Issue date
Sep 28, 2004
Kabushiki Kaisha Topcon
Takaaki Yamazaki
G01 - MEASURING TESTING
Information
Patent Grant
Laser beam receiver
Patent number
6,747,266
Issue date
Jun 8, 2004
Kabushiki Kaisha Topcon
Takaaki Yamazaki
G01 - MEASURING TESTING
Information
Patent Grant
Laser survey instrument
Patent number
6,688,009
Issue date
Feb 10, 2004
Kabushiki Kaisha Topcon
Yasuhito Haijima
G01 - MEASURING TESTING
Information
Patent Grant
Beam position detector having a photodetection unit
Patent number
6,337,473
Issue date
Jan 8, 2002
Kabushiki Kaisha Topcon
Takaaki Yamazaki
G01 - MEASURING TESTING
Information
Patent Grant
Holder for reference projected light detector
Patent number
6,209,832
Issue date
Apr 3, 2001
Kabushiki Kaisha Topcon
Takaaki Yamazaki
G01 - MEASURING TESTING
Information
Patent Grant
Reference irradiation beam detecting apparatus
Patent number
6,172,742
Issue date
Jan 9, 2001
Kabushiki Kaisha Topcon
Takaaki Yamazaki
G01 - MEASURING TESTING
Information
Patent Grant
Beam detector
Patent number
6,166,802
Issue date
Dec 26, 2000
Kabushiki Kaisha Topcon
Jun-ichi Kodaira
G01 - MEASURING TESTING
Information
Patent Grant
Execution height display device and execution height setting system
Patent number
6,067,148
Issue date
May 23, 2000
Kabushiki Kaisha Topcon
Jun-ichi Kodaira
G01 - MEASURING TESTING
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
Tilt angle automatic compensator in all directions
Patent number
5,513,001
Issue date
Apr 30, 1996
Kabushiki Kaisha Topcon
Fumio Ohtomo
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
Measuring Method And Measuring Device
Publication number
20110080596
Publication date
Apr 7, 2011
Kabushiki Kaisha TOPCON
You Sasaki
G01 - MEASURING TESTING
Information
Patent Application
Power-saving control method in laser measuring system and laser mea...
Publication number
20080231839
Publication date
Sep 25, 2008
Kabushiki Kaisha TOPCON
Takaaki Yamazaki
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Laser measuring system
Publication number
20080218739
Publication date
Sep 11, 2008
Kabushiki Kaisha TOPCON
Takaaki Yamazaki
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Laser level detection system
Publication number
20070076188
Publication date
Apr 5, 2007
Kabushiki Kaisha TOPCON
Yasutaka Katayama
G01 - MEASURING TESTING
Information
Patent Application
Apparatus for rotating a laser
Publication number
20030068257
Publication date
Apr 10, 2003
KABUSHIKI KAISHA TOPCON
Takaaki Yamazaki
G01 - MEASURING TESTING
Information
Patent Application
Laser beam receiver
Publication number
20020038845
Publication date
Apr 4, 2002
Takaaki Yamazaki
G01 - MEASURING TESTING
Information
Patent Application
BEAM POSITION DETECTOR HAVING A PHOTODETECTION UNIT
Publication number
20010045507
Publication date
Nov 29, 2001
TAKAAKI YAMAZAKI
G01 - MEASURING TESTING
Information
Patent Application
Laser survey instrument
Publication number
20010025425
Publication date
Oct 4, 2001
Yasuhito Haijima
G01 - MEASURING TESTING