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Masahiro Takebayashi
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Tochigi-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Scroll compressor having a valved back pressure chamber and a bypas...
Patent number
7,354,259
Issue date
Apr 8, 2008
Hitachi, Ltd.
Isamu Tsubono
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Scroll compressor
Patent number
7,137,796
Issue date
Nov 21, 2006
Hitachi, Ltd.
Isamu Tsubono
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Scroll compressor having a back-pressure chamber control valve
Patent number
7,118,358
Issue date
Oct 10, 2006
Hitachi, Ltd.
Isamu Tsubono
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Scroll compressor having a valved back pressure chamber and a bypas...
Patent number
6,769,888
Issue date
Aug 3, 2004
Hitachi, Ltd.
Isamu Tsubono
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Scroll compressor having a valved back-pressure chamber and a bypas...
Patent number
6,589,035
Issue date
Jul 8, 2003
Hitachi, Ltd.
Isamu Tsubono
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Scroll compressor
Patent number
6,494,696
Issue date
Dec 17, 2002
Hitachi, Ltd.
Toshiyuki Terai
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Displacement type fluid machine
Patent number
6,406,279
Issue date
Jun 18, 2002
Hitachi, Ltd.
Hirokatsu Kohsokabe
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Displacement type fluid machine
Patent number
6,352,418
Issue date
Mar 5, 2002
Hitachi, Ltd.
Hirokatsu Kohsokabe
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Displacement type fluid machine having an orbiting displacer formin...
Patent number
6,332,763
Issue date
Dec 25, 2001
Hitachi, Ltd.
Hirokatsu Kohsokabe
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Displacement type fluid machine having an orbiting displacer formin...
Patent number
6,332,764
Issue date
Dec 25, 2001
Hitachi, Ltd.
Hirokatsu Kohsokabe
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Displacement type fluid machine
Patent number
6,312,237
Issue date
Nov 6, 2001
Hitachi, Ltd.
Takeshi Kouno
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Displacement type fluid machine
Patent number
6,220,841
Issue date
Apr 24, 2001
Hitachi, Ltd.
Takeshi Kouno
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Displacement fluid machine
Patent number
6,217,303
Issue date
Apr 17, 2001
Hitachi, Ltd.
Hirokatsu Kohsokabe
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Displacement type fluid machine
Patent number
6,213,743
Issue date
Apr 10, 2001
Hitachi, Ltd.
Hirokatsu Kohsokabe
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Displacement type fluid machine
Patent number
6,183,228
Issue date
Feb 6, 2001
Hitachi, Ltd.
Shigeru Machida
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Displacement fluid machine
Patent number
6,179,593
Issue date
Jan 30, 2001
Hitachi, Ltd.
Shunichi Mitsuya
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Scroll compressor
Patent number
6,174,150
Issue date
Jan 16, 2001
Hitachi, Ltd.
Isamu Tsubono
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Displacement type fluid machine having an orbiting displacer formin...
Patent number
6,164,941
Issue date
Dec 26, 2000
Hitachi, Ltd.
Hirokatsu Kohsokabe
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Displacement type fluid machine having rotation suppression of an o...
Patent number
6,152,714
Issue date
Nov 28, 2000
Hitachi, Ltd.
Shunichi Mitsuya
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Displacement fluid machine
Patent number
6,099,279
Issue date
Aug 8, 2000
Hitachi, Ltd.
Hirokatsu Kohsokabe
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Scroll type fluid machine having wraps formed of circular arcs
Patent number
5,938,417
Issue date
Aug 17, 1999
Hitachi, Ltd.
Kunihiko Takao
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Scroll compressor
Patent number
5,829,959
Issue date
Nov 3, 1998
Hitachi, Ltd.
Isamu Tsubono
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Scroll compressor having an orbiting scroll with volute wraps on bo...
Patent number
5,775,893
Issue date
Jul 7, 1998
Hitachi, Ltd.
Kunihiko Takao
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Scroll compressor and air conditioner using the same
Patent number
5,345,785
Issue date
Sep 13, 1994
Hitachi, Ltd.
Kazuo Sekigami
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Scroll compressor with improved bearing
Patent number
5,137,437
Issue date
Aug 11, 1992
Hitachi, Ltd.
Shigeru Machida
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Rotary compressor
Patent number
5,087,170
Issue date
Feb 11, 1992
Hitachi, Ltd.
Hirokatu Kousokabe
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information
Patent Grant
Rotary compressor with tapered valve ports for lubricating pump
Patent number
4,561,829
Issue date
Dec 31, 1985
Hitachi, Ltd.
Hiroshi Iwata
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Oil feeder means for use in a horizontal type rotary compressor
Patent number
4,544,338
Issue date
Oct 1, 1985
Hitachi, Ltd.
Masahiro Takebayashi
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
Scroll compressor
Publication number
20060057010
Publication date
Mar 16, 2006
Isamu Tsubono
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Scroll compressor
Publication number
20060051226
Publication date
Mar 9, 2006
Isamu Tsubono
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Scroll compressor
Publication number
20040247476
Publication date
Dec 9, 2004
Isamu Tsubono
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Scroll compressor
Publication number
20030190247
Publication date
Oct 9, 2003
Isamu Tsubono
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Scroll compressor
Publication number
20010026766
Publication date
Oct 4, 2001
Toshiyuki Terai
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Displacement type fluid machine
Publication number
20010010800
Publication date
Aug 2, 2001
Hirokatsu Kohsokabe
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Displacement type fluid machine
Publication number
20010008610
Publication date
Jul 19, 2001
Takeshi Kouno
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...