Yusuke KUMAGAWA

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Yokohama-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Coiling machine and manufacturing method of coil spring
- Patent number 10,556,265
- Issue date Feb 11, 2020
- NHK Spring Co., Ltd.
- Takeshi Furuse
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
DEVICE FOR MANUFACTURING COIL SPRING AND METHOD FOR MANUFACTURING C...
- Publication number 20180071812
- Publication date Mar 15, 2018
- NHK Spring Co., Ltd.
- Takeshi FURUSE
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
COILING MACHINE AND MANUFACTURING METHOD OF COIL SPRING
- Publication number 20170348759
- Publication date Dec 7, 2017
- NHK Spring Co., Ltd.
- Takeshi FURUSE
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...