Shigeo Marugasa

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Tochigi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat exchanger and process for fabricating same
- Patent number 7,165,326
- Issue date Jan 23, 2007
- Showa Denko K.K.
- Akio Kurihara
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat sink, control device having the heat sink and machine tool pro...
- Patent number 7,080,680
- Issue date Jul 25, 2006
- Showa Denko K.K.
- Keiichiro Ota
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Finned tube for heat exchangers, heat exchanger, process for produc...
- Patent number 6,928,833
- Issue date Aug 16, 2005
- Showa Denko K.K.
- Isao Watanabe
- F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Heat exchanger and process for fabricating same
- Publication number 20050061492
- Publication date Mar 24, 2005
- SHOWA DENKO K.K.
- Akio Kurihara
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Finned tube for heat exchangers, heat exchanger, process for produc...
- Publication number 20040261982
- Publication date Dec 30, 2004
- Isao Watanabe
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Heat sink, control device having the heat sink and machine tool pro...
- Publication number 20030056942
- Publication date Mar 27, 2003
- SHOWA DENKO K.K.
- Keiichiro Ota
- F28 - HEAT EXCHANGE IN GENERAL