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Miyoko Hamao
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Vane pump having an intake groove through a side wall member
Patent number
6,599,111
Issue date
Jul 29, 2003
Unisia Jecs Corporation
Mizuo Ohtaki
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Pump including a control valve and sealing member
Patent number
5,613,840
Issue date
Mar 25, 1997
Unisia Jecs Corporation
Kazuyoshi Ishizaki
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Pump and control valve with annular sealing member to prevent corro...
Patent number
5,595,478
Issue date
Jan 21, 1997
Unisia Jecs Corporation
Kazuyoshi Ishizaki
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Pump including a control valve
Patent number
5,540,566
Issue date
Jul 30, 1996
Unista Jecs Corporation
Kazuyoshi Ishizaki
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Hydraulic pump for power-assisted steering system
Patent number
5,236,315
Issue date
Aug 17, 1993
Atsugi Unisia Corporation
Miyoko Hamao
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Hydraulic flow control system for automotive vehicle
Patent number
5,170,626
Issue date
Dec 15, 1992
Atsugi Unisia Corporation
Mizuo Ohtaki
G05 - CONTROLLING REGULATING
Information
Patent Grant
Variable capacity type vane pump with a variable restriction orifice
Patent number
5,141,418
Issue date
Aug 25, 1992
Atsugi Unisia Corporation
Mizuo Ohtaki
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Fluid pump unit with flow control valve
Patent number
5,112,199
Issue date
May 12, 1992
Atsugi Unisia Corporation
Mizuo Otaki
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Grant
Fluid pump unit with flow control valve
Patent number
5,098,259
Issue date
Mar 24, 1992
Atsugi Unista Corporation
Mizuo Ohtaki
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
Vane pump
Publication number
20020051721
Publication date
May 2, 2002
UNISIA JECS CORPORATION
Mizuo Ohtaki
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...