Ryoji Takai

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Roller hemming processing device and roller hemming processing method
- Patent number 9,630,235
- Issue date Apr 25, 2017
- Nissan Motor Co., Ltd.
- Ryoji Takai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
End structure for synthetic resin member
- Patent number 4,874,651
- Issue date Oct 17, 1989
- Nissan Motor Co., Ltd.
- Ryoji Takai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
ROLLER HEMMING PROCESSING DEVICE AND ROLLER HEMMING PROCESSING METHOD
- Publication number 20160074924
- Publication date Mar 17, 2016
- NISSAN MOTOR CO., LTD.
- Ryoji Takai
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...