Motoi Uesugi

Follow

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Manufacturing method for coil spring
- Patent number 8,607,605
- Issue date Dec 17, 2013
- NHK Spring Co., Ltd.
- Akira Tange
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
MANUFACTURING METHOD FOR COIL SPRING
- Publication number 20120055216
- Publication date Mar 8, 2012
- NHK Spring Co., Ltd.
- Akira Tange
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...