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Makoto Kondo
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Matsudo-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Production method for complex bearing
Patent number
8,220,153
Issue date
Jul 17, 2012
Hitachi Powdered Metals Co., Ltd.
Makoto Kondo
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Production method for oil-impregnated sintered bearing
Patent number
7,870,674
Issue date
Jan 18, 2011
Hitachi Powdered Metals Co., Ltd.
Makoto Kondo
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Composite porous bearing and method of making same
Patent number
6,119,346
Issue date
Sep 19, 2000
Hitachi Powdered Metals Co., Ltd.
Motohiro Miyasaka
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Porous bearing system having internal grooves and electric motor pr...
Patent number
5,932,946
Issue date
Aug 3, 1999
Hitachi Powdered Metals Co., Ltd.
Motohiro Miyasaka
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Composite porous bearing
Patent number
5,895,119
Issue date
Apr 20, 1999
Hitachi Powered Metals Co., Ltd.
Motohiro Miyasaka
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Hydrodynamic thrust porous bearing
Patent number
5,810,479
Issue date
Sep 22, 1998
Hitachi Powdered Metals Co., Ltd.
Motohiro Miyasaka
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Porous bearing system having internal grooves and electric motor pr...
Patent number
5,746,516
Issue date
May 5, 1998
Hitachi Powdered Metals Co., Ltd.
Motohiro Miyasaka
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
Production Method for Oil-Impregnated Sintered Bearing
Publication number
20080189950
Publication date
Aug 14, 2008
Hitachi Powdered Metals Co., Ltd.
Makoto Kondo
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Production method for complex bearing
Publication number
20070271789
Publication date
Nov 29, 2007
Hitachi Powdered Metals Co., Ltd.
Makoto Kondo
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR