Shinji Kato

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Takahama-city, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing piping having joining portion
- Patent number 6,928,732
- Issue date Aug 16, 2005
- Denso Corporation
- Koji Sakai
- F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Method of manufacturing piping having joining portion
- Publication number 20040045151
- Publication date Mar 11, 2004
- Koji Sakai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...