Isao Nakada

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Patents Grantslast 30 patents

Information Patent Grant
Composite roll for manufacturing heat transfer tubes
- Patent number 6,565,498
- Issue date May 20, 2003
- Fuji Die Co., Ltd.
- Isao Nakada
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Composite roll for manufacturing heat transfer tubes and method of...
- Publication number 20010042588
- Publication date Nov 22, 2001
- Fuji Die Co., Ltd.
- Isao Nakada
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...