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Masahisa Kawamura
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Hyogo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Hydraulic drive working vehicle
Patent number
8,002,073
Issue date
Aug 23, 2011
Kanzaki Kokyukoki Mfg. Co., Ltd.
Takeaki Nozaki
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Pump unit
Patent number
7,775,309
Issue date
Aug 17, 2010
Kanzaki Kokyukoki Mfg. Co., Ltd.
Ryota Ohashi
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Pump unit and hydrostatic transmission
Patent number
7,762,371
Issue date
Jul 27, 2010
Kanzaki Kokyukoki Mfg. Co., Ltd.
Masahisa Kawamura
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Pump unit
Patent number
7,677,038
Issue date
Mar 16, 2010
Kanzaki Kokyukoki Mfg. Co., Ltd.
Ryota Ohashi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Pump unit and hydrostatic transmission
Patent number
7,430,863
Issue date
Oct 7, 2008
Kanzaki Kokyukoki Mfg. Co., Ltd.
Masahisa Kawamura
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Pump system, charge relief mechanism and oil pressure control mecha...
Patent number
7,370,476
Issue date
May 13, 2008
Kanzaki Kokyukoki Mfg. Co., Ltd.
Masahisa Kawamura
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Pump unit and hydrostatic transmission
Patent number
7,231,765
Issue date
Jun 19, 2007
Masahisa Kawamura
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Transmission system structure of vehicle
Patent number
6,450,309
Issue date
Sep 17, 2002
Kanzaki Kokyukoki Mfg. Co., Ltd.
Tadao Hirai
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Four-wheel driven vehicle
Patent number
6,199,653
Issue date
Mar 13, 2001
Kanzaki Kokyukoki Mfg. Co., Ltd.
Mizuya Matsufuji
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Fluid supply assembly for working vehicles
Patent number
5,720,214
Issue date
Feb 24, 1998
Kanzaki Kokyukoki Mfg. Co., Ltd.
Masahisa Kawamura
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Fluid supply assembly for working vehicles
Patent number
5,479,845
Issue date
Jan 2, 1996
Kanzaki Kokyukoki Mfg. Co., Ltd.
Masahisa Kawamura
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Fluid supply system for vehicles
Patent number
5,069,037
Issue date
Dec 3, 1991
Kanzaki Kokyukoki Mfg. Co., Ltd.
Shigenori Sakigawa
B60 - VEHICLES IN GENERAL
Information
Patent Grant
HST system axle driving apparatus
Patent number
4,893,524
Issue date
Jan 16, 1990
Kanzaki Kokyukoki Mfg. Co. Ltd.
Ryota Ohashi
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Two-stage flow divider with pressure-relief valves in each stage to...
Patent number
4,866,936
Issue date
Sep 19, 1989
Kanzaki Kokyukoki Mfg. Co. Ltd.
Ryota Ohashi
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Two-stage flow divider with constant orifice first stage in hydraul...
Patent number
4,856,277
Issue date
Aug 15, 1989
Kanzaki Kokyukoki Mfg. Co. Ltd.
Ryota Ohashi
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Flow divider valve for hydraulic system in working vehicles
Patent number
4,773,216
Issue date
Sep 27, 1988
Kanzaki Kokykoki Mfg. Co. Ltd.
Ryota Ohashi
F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information
Patent Grant
Fluid supply system for working vehicles
Patent number
4,643,442
Issue date
Feb 17, 1987
Kanzaki Kokyukoki Mfg. Co., Ltd.
Ryota Ohashi
A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information
Patent Grant
Hydraulic system in working vehicles
Patent number
4,637,482
Issue date
Jan 20, 1987
Kanzaki Kokyukoki Mfg. Co. Ltd.
Ryota Ohashi
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Patents Applications
last 30 patents
Information
Patent Application
Pump Unit And Hydrostatic Transmission
Publication number
20100257856
Publication date
Oct 14, 2010
Masahisa KAWAMURA
B60 - VEHICLES IN GENERAL
Information
Patent Application
Hydraulic Drive Working Vehicle
Publication number
20090260911
Publication date
Oct 22, 2009
Takeaki NOZAKI
B60 - VEHICLES IN GENERAL
Information
Patent Application
Pump Unit and Hydrostatic Transmission
Publication number
20090008183
Publication date
Jan 8, 2009
Masahisa KAWAMURA
B60 - VEHICLES IN GENERAL
Information
Patent Application
Pump system, charge relief mechanism and oil pressure control mecha...
Publication number
20080185053
Publication date
Aug 7, 2008
Masahisa Kawamura
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Pump Unit and Hydrostatic Transmission
Publication number
20070209355
Publication date
Sep 13, 2007
Masahisa KAWAMURA
B60 - VEHICLES IN GENERAL
Information
Patent Application
Pump unit
Publication number
20070163817
Publication date
Jul 19, 2007
Ryota Ohashi
B60 - VEHICLES IN GENERAL
Information
Patent Application
Pump Unit
Publication number
20070144169
Publication date
Jun 28, 2007
Ryota Ohashi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Pump unit and hydrostatic transmission
Publication number
20060107660
Publication date
May 25, 2006
Masahisa Kawamura
B60 - VEHICLES IN GENERAL
Information
Patent Application
Pump system, charge relief mechanism and oil pressure control mecha...
Publication number
20060008357
Publication date
Jan 12, 2006
Masahisa Kawamura
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...