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Takao Nagai
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Minami-Saitama-gun, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Hose clamp
Patent number
10,876,656
Issue date
Dec 29, 2020
Piolax, Inc.
Takao Nagai
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Pole-attached cable relay carriage and power supply system to elect...
Patent number
9,698,586
Issue date
Jul 4, 2017
Komatsu Ltd.
Masanori Tojima
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Mine power management system
Patent number
9,507,360
Issue date
Nov 29, 2016
Komatsu Ltd.
Masanori Tojima
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Hose clamp
Patent number
8,695,172
Issue date
Apr 15, 2014
Piolax, Inc.
Takao Nagai
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Air damper
Patent number
8,528,708
Issue date
Sep 10, 2013
Piolax Inc.
Takahiro Sakai
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Mine transportation management system and method using separate ore...
Patent number
6,988,591
Issue date
Jan 24, 2006
Komatsu Ltd.
Kyouji Uranaka
E21 - EARTH DRILLING MINING
Information
Patent Grant
Carrier vehicle
Patent number
6,789,639
Issue date
Sep 14, 2004
Komatsu Ltd.
Kyouji Uranaka
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Automatic cell placement method
Patent number
6,560,760
Issue date
May 6, 2003
Mitsubishi Denki Kabushiki Kaisha
Takao Nagai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Machine fault monitoring apparatus and method
Patent number
6,256,594
Issue date
Jul 3, 2001
Komatsu, Ltd.
Shigeru Yamamoto
G07 - CHECKING-DEVICES
Information
Patent Grant
Method and apparatus for determining machine maintenance due times
Patent number
6,141,629
Issue date
Oct 31, 2000
Komatsu Ltd.
Shigeru Yamamoto
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Method and apparatus for preparing running course data for an unman...
Patent number
6,044,312
Issue date
Mar 28, 2000
Komatsu Ltd.
Tsugio Sudo
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Bonded semiconductor integrated circuit device
Patent number
5,923,091
Issue date
Jul 13, 1999
Mitsubishi Denki Kabushiki Kaisha
Takao Nagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
System for preventing collision for vehicle
Patent number
5,714,928
Issue date
Feb 3, 1998
Kabushiki Kaisha Komatsu Seisakusho
Tsugio Sudo
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Hydraulic drive system for steerable wheel of dump truck
Patent number
5,472,062
Issue date
Dec 5, 1995
Kabushiki Kaisha Komatsu Seisakusho
Takao Nagai
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Semiconductor integrated circuit having lengthened connection pins...
Patent number
5,448,088
Issue date
Sep 5, 1995
Mitsubishi Electric Engineering Company Limited
Takao Nagai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Multi-dimension track-ring
Patent number
5,404,152
Issue date
Apr 4, 1995
Mitsubishi Denki Kabushiki Kaisha
Takao Nagai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System for measuring carrying weight of vehicle
Patent number
5,391,843
Issue date
Feb 21, 1995
Kabushiki Kaisha Komatsu Seisakusho
Hideo Sato
G01 - MEASURING TESTING
Information
Patent Grant
Steering circuit system for a moving vehicle
Patent number
5,320,191
Issue date
Jun 14, 1994
Kabushiki Kaisha Komatsu Seisakusho
Tsugio Sudo
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Suspension cylinder control system for motor vehicles
Patent number
5,016,910
Issue date
May 21, 1991
Kabushiki Kaisha Komatsu Seisakusho
Takao Nagai
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Anti-reflection device for a VDT
Patent number
5,004,320
Issue date
Apr 2, 1991
Mitsubishi Denki Kabushiki Kaisha
Takao Nagai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Steering system
Patent number
4,838,375
Issue date
Jun 13, 1989
Kabushiki Kaisha Komatsu Seisakusho
Takao Nagai
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Patents Applications
last 30 patents
Information
Patent Application
HOSE CLAMP
Publication number
20190137007
Publication date
May 9, 2019
Piolax, Inc.
Takao Nagai
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
POLE-ATTACHED CABLE RELAY CARRIAGE AND POWER SUPPLY SYSTEM TO ELECT...
Publication number
20140069758
Publication date
Mar 13, 2014
Komatsu Ltd.
Masanori Tojima
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
MINE POWER MANAGEMENT SYSTEM
Publication number
20140032006
Publication date
Jan 30, 2014
Komatsu Ltd.
Masanori Tojima
B60 - VEHICLES IN GENERAL
Information
Patent Application
HOSE CLAMP
Publication number
20120159743
Publication date
Jun 28, 2012
Takao Nagai
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
TRAVELING SYSTEM FOR A DRIVING VEHICLE
Publication number
20070185637
Publication date
Aug 9, 2007
Komatsu Ltd.
Satoshi Ogawa
B60 - VEHICLES IN GENERAL
Information
Patent Application
Supplemental parts production forecasting system, supplemental part...
Publication number
20050192860
Publication date
Sep 1, 2005
Komatsu Ltd.
Toshihiko Kouda
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Traveling system for a driving vehicle
Publication number
20040225435
Publication date
Nov 11, 2004
Komatsu Ltd.
Satoshi Ogawa
B60 - VEHICLES IN GENERAL
Information
Patent Application
Carrier vehicle
Publication number
20040060755
Publication date
Apr 1, 2004
Kyouji Uranaka
B60 - VEHICLES IN GENERAL
Information
Patent Application
Mine transportation management system and method
Publication number
20040040792
Publication date
Mar 4, 2004
Komatsu Ltd.
Kyouji Uranaka
E21 - EARTH DRILLING MINING