Daigo Sumimoto

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Chibaken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Strengthening member for automobile
- Patent number 6,752,451
- Issue date Jun 22, 2004
- Nippon Steel Corporation
- Shinya Sakamoto
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Grant
Forming method and forming stand for welded pipes
- Patent number 5,704,243
- Issue date Jan 6, 1998
- Nippon Steel Corporation
- Kenji Hada
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Electric resistance welded steel tube for machine structural use ex...
- Patent number 5,213,633
- Issue date May 25, 1993
- Nippon Steel Corporation
- Kenji Hada
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Automobile strengthening member
- Publication number 20030151273
- Publication date Aug 14, 2003
- Shinya Sakamoto
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...