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Hikosaburo Hiraki
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Transmission system
Patent number
8,277,353
Issue date
Oct 2, 2012
Komatsu Ltd.
Hikosaburo Hiraki
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Transmission system
Patent number
8,241,162
Issue date
Aug 14, 2012
Komatsu Ltd.
Hikosaburo Hiraki
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Transmission system
Patent number
8,157,687
Issue date
Apr 17, 2012
Komatsu Ltd.
Hikosaburo Hiraki
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Transmission system
Patent number
8,142,319
Issue date
Mar 27, 2012
Komatsu Ltd.
Hikosaburo Hiraki
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Transmission system
Patent number
8,137,228
Issue date
Mar 20, 2012
Komatsu Ltd.
Hikosaburo Hiraki
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Device and method for continuously variable transmission of traveli...
Patent number
7,971,434
Issue date
Jul 5, 2011
Komatsu Ltd.
Naoki Ishizaki
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Transmission system
Patent number
7,972,236
Issue date
Jul 5, 2011
Komatsu Ltd.
Hikosaburo Hiraki
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Transmission
Patent number
7,717,816
Issue date
May 18, 2010
Komatsu Ltd.
Hikosaburo Hiraki
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Speed-changing device
Patent number
7,448,976
Issue date
Nov 11, 2008
Komatsu Ltd.
Hikosaburo Hiraki
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Speed-changing device
Patent number
7,416,503
Issue date
Aug 26, 2008
Komatsu Ltd.
Hikosaburo Hiraki
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Hybrid machine with hydraulic drive device
Patent number
6,962,050
Issue date
Nov 8, 2005
Komatsu Ltd.
Hikosaburo Hiraki
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Cylinder driving system and energy regenerating method thereof
Patent number
6,912,849
Issue date
Jul 5, 2005
Komatsu Ltd.
Hiroaki Inoue
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Crawler device for a crawler type vehicle
Patent number
6,601,664
Issue date
Aug 5, 2003
Komatsu Ltd.
Hikosaburo Hiraki
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Crawler device for a crawler type vehicle
Patent number
6,334,496
Issue date
Jan 1, 2002
Komatsu Ltd.
Hikosaburo Hiraki
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Triangular crawler apparatus
Patent number
6,283,562
Issue date
Sep 4, 2001
Komatsu Ltd.
Haruhiro Tsubota
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Speed changing device for hydraulic driving apparatus and speed cha...
Patent number
6,182,448
Issue date
Feb 6, 2001
Komatsu Ltd.
Yasunori Ohkura
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Power unit for generating discharge shock waves
Patent number
6,058,029
Issue date
May 2, 2000
Komatsu Ltd.
Koichiro Itow
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Liquid sealed suspension unit
Patent number
5,988,610
Issue date
Nov 23, 1999
Komatsu, Ltd.
Hikosaburo Hiraki
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Traveling drive apparatus in a working vehicle
Patent number
5,957,235
Issue date
Sep 28, 1999
Komatsu Ltd.
Satoru Nishimura
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method of controlling speed change of hydraulic drive device for ve...
Patent number
5,784,883
Issue date
Jul 28, 1998
Komatsu Ltd.
Yasunori Ohkura
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Working machine for hydraulic excavator
Patent number
5,423,655
Issue date
Jun 13, 1995
Kabushiki Kaisha Komatsu Seisakusho
Noboru Kanayama
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Internal combustion engine
Patent number
4,919,093
Issue date
Apr 24, 1990
Kabushiki Kaisha Komatsu Seisakusho
Hikosaburo Hiraki
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information
Patent Grant
Method for setting the vehicle-engine torque
Patent number
4,917,063
Issue date
Apr 17, 1990
Kabushiki Kaisha Komatsu Seisakusho
Hikosaburo Hiraki
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Patents Applications
last 30 patents
Information
Patent Application
TRANSMISSION SYSTEM
Publication number
20120108378
Publication date
May 3, 2012
Komatsu Ltd.
Hikosaburo HIRAKI
B60 - VEHICLES IN GENERAL
Information
Patent Application
TRANSMISSION SYSTEM
Publication number
20110237380
Publication date
Sep 29, 2011
Komatsu Ltd.
Hikosaburo HIRAKI
B60 - VEHICLES IN GENERAL
Information
Patent Application
TRANSMISSION SYSTEM
Publication number
20110237379
Publication date
Sep 29, 2011
Komatsu Ltd.
Hikosaburo HIRAKI
B60 - VEHICLES IN GENERAL
Information
Patent Application
TRANSMISSION SYSTEM
Publication number
20110230295
Publication date
Sep 22, 2011
Komatsu Ltd.
Hikosaburo HIRAKI
B60 - VEHICLES IN GENERAL
Information
Patent Application
TRANSMISSION SYSTEM
Publication number
20110230296
Publication date
Sep 22, 2011
Komatsu Ltd.
Hikosaburo HIRAKI
B60 - VEHICLES IN GENERAL
Information
Patent Application
Device and method of continuously variable transmission of travelin...
Publication number
20090139224
Publication date
Jun 4, 2009
Naoki Ishizaki
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Transmission system
Publication number
20090105028
Publication date
Apr 23, 2009
Hikosaburo Hiraki
B60 - VEHICLES IN GENERAL
Information
Patent Application
SPEED-CHANGING DEVICE
Publication number
20080108467
Publication date
May 8, 2008
Komatsu Ltd.
Hikosaburo HIRAKI
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Transmission
Publication number
20080096712
Publication date
Apr 24, 2008
Hikosaburo Hiraki
B60 - VEHICLES IN GENERAL
Information
Patent Application
Speed-changing device
Publication number
20060217225
Publication date
Sep 28, 2006
Hikosaburo Hiraki
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Cylinder driving system and energy regenerating method thereof
Publication number
20030188530
Publication date
Oct 9, 2003
Komatsu Ltd.
Hiroaki Inoue
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Hbrid machine with hydraulic drive device
Publication number
20030097837
Publication date
May 29, 2003
Hikosaburo Hiraki
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING