Enichi Ishiwa

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Flat tubes for use with heat exchanger and manufacturing method the...
- Patent number 6,431,265
- Issue date Aug 13, 2002
- Calsonic Kansei Corporation
- Masayoshi Shinhama
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Flat tubes for use with heat exchanger and manufacturing method the...
- Patent number 6,267,177
- Issue date Jul 31, 2001
- Calsonic Kansei Corporation
- Masayoshi Shinhama
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Flat tubes for use with heat exchanger and manufacturing method the...
- Publication number 20010045277
- Publication date Nov 29, 2001
- Masayoshi Shinhama
- F28 - HEAT EXCHANGE IN GENERAL