Tadakazu Kato

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for manufacturing leaf springs
- Patent number 9,278,387
- Issue date Mar 8, 2016
- NHK Spring Co., Ltd.
- Akira Tange
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR MANUFACTURING LEAF SPRINGS
- Publication number 20130111961
- Publication date May 9, 2013
- NHK Spring Co., Ltd.
- Akira Tange
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...