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Koji Hirao
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Nishio City, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Aluminum alloy fin material for heat exchangers and heat exchanger...
Patent number
7,018,722
Issue date
Mar 28, 2006
Denso Corporation
Taketoshi Toyama
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Filler metal for aluminum brazing sheet for heat exchangers and met...
Patent number
6,849,136
Issue date
Feb 1, 2005
Denso Corporation
Yoshiharu Hasegawa
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Manufacturing method of heat exchanger
Patent number
6,625,886
Issue date
Sep 30, 2003
Denso Corporation
Syoji Iriyama
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Brazing composition for aluminum material, aluminum material for br...
Patent number
6,234,377
Issue date
May 22, 2001
Denso Corporation
Shoei Teshima
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Brazing sheet having an excellent corrosion resistance for use in a...
Patent number
6,129,143
Issue date
Oct 10, 2000
Denso Corporation
Yoshiharu Hasegawa
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
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Patent Application
Aluminum alloy fin material for heat exchangers and heat exchanger...
Publication number
20040028940
Publication date
Feb 12, 2004
Taketoshi Toyama
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Filler metal for aluminum brazing sheet for heat exchangers and met...
Publication number
20030051342
Publication date
Mar 20, 2003
Yoshiharu Hasegawa
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Manufacturing method of heat exchanger
Publication number
20030033715
Publication date
Feb 20, 2003
Syoji Iriyama
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Heat exchanger made of aluminum alloy
Publication number
20020078566
Publication date
Jun 27, 2002
Eiichi Torigoe
F28 - HEAT EXCHANGE IN GENERAL