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Ryoichi Maruyama
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Yokohama, JP
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last 30 patents
Information
Patent Grant
Apparatus for controlling brake of vehicle
Patent number
6,246,944
Issue date
Jun 12, 2001
Komatsu Ltd.
Ryoichi Maruyama
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Turning control system for use in a track-laying vehicle
Patent number
RE36151
Issue date
Mar 16, 1999
Kabushiki Kaisha Komatsu
Tsutomu Ishino
701 - Data processing: vehicles, navigation, and relative location
Information
Patent Grant
System for controlling a hydrostatic-mechanical transmission when a...
Patent number
5,684,694
Issue date
Nov 4, 1997
Kabushiki Kaisha Komatsu Seisakusho
Tsutomu Ishino
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Response control system for hydrostatic-mechanical transmissions
Patent number
5,671,137
Issue date
Sep 23, 1997
Kabushiki Kaisha Komatsu Seisakusho
Tsutomu Ishino
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
System for controlling a hydrostatic-mechanical transmission at the...
Patent number
5,622,050
Issue date
Apr 22, 1997
Kabushiki Kaisha Komatsu Seisakusho
Tsutomu Ishino
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Turning speed control system for use in a track-laying vehicle
Patent number
5,611,405
Issue date
Mar 18, 1997
Kabushiki Kaisha Komatsu Seisakusho
Tsutomu Ishino
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Control mechanism for hydrostatic-mechanical power transmission system
Patent number
5,540,051
Issue date
Jul 30, 1996
Komatsu Ltd.
Ryoichi Maruyama
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Steering system for use in a track-laying vehicle
Patent number
5,535,840
Issue date
Jul 16, 1996
Kabushiki Kaisha Komatsu Seisakusho
Tsutomu Ishino
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Creep preventing control system for hydrostatic-mechanical transmis...
Patent number
5,531,304
Issue date
Jul 2, 1996
Kabushiki Kaisha Komatsu Seisakusho
Tsutomu Ishino
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Forward/reverse drive and stop control system for hydrostatic -mech...
Patent number
5,529,546
Issue date
Jun 25, 1996
Kabushkik Kaisha Komatsu Seisakusho
Tsutomu Ishino
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Overrun protecting control system for hydrostatic-mechanical transm...
Patent number
5,524,436
Issue date
Jun 11, 1996
Kabushiki Kaisha Komatsu Seisakusho
Tsutomu Ishino
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Speed change gear control system for hydrostatic-mechanical transmi...
Patent number
5,522,775
Issue date
Jun 4, 1996
Kabushiki Kaisha Komatsu Seisakusho
Ryoichi Maruyama
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Turning system for use in a track-laying vehicle
Patent number
5,477,454
Issue date
Dec 19, 1995
Kabushiki Kaisha Komatsu Seisakusho
Tsutomu Ishino
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Turning control system for use in a track-laying vehicle
Patent number
5,477,455
Issue date
Dec 19, 1995
Kabushiki Kaisha Komatsu Seisakusho
Tsutomu Ishino
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Steering control system for use in a track-laying vehicle
Patent number
5,473,541
Issue date
Dec 5, 1995
Kabushiki Kaisha Komatsu Seisakusho
Tsutomu Ishino
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Mechanical-hydraulic transmission
Patent number
5,466,197
Issue date
Nov 14, 1995
Kabushiki Kaisha Komatsu Seisakusho
Hiroyuki Mitsuya
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Transmission and control mechanism for hydrostatic-mechanical power...
Patent number
5,406,793
Issue date
Apr 18, 1995
Komatsu Ltd.
Ryoichi Maruyama
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Clutch changeover circuit for non-stage transmission
Patent number
5,113,723
Issue date
May 19, 1992
Kabushiki Kaisha Komatsu Seisakusho
Tsutomu Ishino
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Clutch changeover circuit for non-stage transmission
Patent number
5,069,087
Issue date
Dec 3, 1991
Kabushiki Kaisha Komatsu Seisakusho
Tsutomu Ishino
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Speed-change/steering system for crawler type vehicles
Patent number
4,663,987
Issue date
May 12, 1987
Kabushiki Kaisha Komatsu Seisakusho
Ryoichi Maruyama
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Turning control system for a hydro-mechanical transmission
Patent number
4,519,275
Issue date
May 28, 1985
Kabushiki Kaisha Komatsu Seisakusho
Ryoichi Maruyama
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Automatic speed range change-over system for a hydro-mechanical tra...
Patent number
4,519,274
Issue date
May 28, 1985
Kabushiki Kaisha Komatsu Seisakusho
Ryoichi Maruyama
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Engine speed control system for a hydro-mechanical transmission
Patent number
4,497,223
Issue date
Feb 5, 1985
Kabushiki Kaisha Komatsu Seisakusho
Ryoichi Maruyama
B60 - VEHICLES IN GENERAL