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Akihiro Ishikawa
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Scroll compressor
Patent number
9,879,678
Issue date
Jan 30, 2018
Johnson Controls-Hitachi Air Conditioning Technology (Hong Kong) Limited
Yoshihiro Fukaya
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Patents Applications
last 30 patents
Information
Patent Application
Scroll Compressor
Publication number
20160003252
Publication date
Jan 7, 2016
Yoshihiro FUKAYA
F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information
Patent Application
Cold roll forming method for reducing a diameter of a metal pipe, a...
Publication number
20090199924
Publication date
Aug 13, 2009
Nakayama Corporation
Tsuyoshi Ishikawa
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Cold roll forming method for reducing a diameter of a metal pipe, a...
Publication number
20080148797
Publication date
Jun 26, 2008
Tsuyoshi Ishikawa
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Cold roll forming method for reducing a diameter of a metal pipe, a...
Publication number
20070113611
Publication date
May 24, 2007
Tsuyoshi Ishikawa
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Cold roll forming method for reducing a diameter of a metal pipe, a...
Publication number
20060201223
Publication date
Sep 14, 2006
Tsuyoshi Ishikawa
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method of forming cold diametrally reducing roll for metal pipe and...
Publication number
20040050133
Publication date
Mar 18, 2004
Tsuyoshi Ishikawa
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...