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Takumi Yamauchi
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Nukata-gun, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for pressing sheet material
Patent number
7,415,860
Issue date
Aug 26, 2008
Denso Corporation
Takumi Yamauchi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method and apparatus for manufacturing heat exchanger tube
Patent number
7,086,153
Issue date
Aug 8, 2006
Denso Corporation
Takumi Yamauchi
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Method of manufacturing tube and apparatus for manufacturing the same
Patent number
6,904,677
Issue date
Jun 14, 2005
Denso Corporation
Takumi Yamauchi
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Tube
Patent number
6,325,141
Issue date
Dec 4, 2001
Denso Corporation
Takumi Yamauchi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Piercing apparatus
Patent number
6,119,568
Issue date
Sep 19, 2000
Denso Corporation
Takumi Yamauchi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
Production method of offset-shaped fins, fins, and method and appar...
Publication number
20070029073
Publication date
Feb 8, 2007
DENSO CORPORATION
Kuniharu Teshima
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method and apparatus for pressing sheet material
Publication number
20050262918
Publication date
Dec 1, 2005
DENSO CORPORATION
Takumi Yamauchi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method of manufacturing tube and apparatus for manufacturing the same
Publication number
20040200070
Publication date
Oct 14, 2004
Takumi Yamauchi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method and apparatus for manufacturing heat exchanger tube
Publication number
20040194943
Publication date
Oct 7, 2004
Takumi Yamauchi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Tube
Publication number
20010022221
Publication date
Sep 20, 2001
Takumi Yamauchi
F28 - HEAT EXCHANGE IN GENERAL