Hiroyasu Fukushima

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for manufacturing thick-walled bent pipe
- Patent number 6,715,334
- Issue date Apr 6, 2004
- Tokiwa Seiki Co., Ltd.
- Yoichi Kimura
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and method for manufacturing thick-walled bent pipe
- Publication number 20020129636
- Publication date Sep 19, 2002
- TOKIWA SEIKI CO., LTD.
- Yoichi Kimura
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...