Naoki Yoshioka

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Okazaki-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic forming process, hydraulic forming device and metal separ...
- Patent number 6,938,449
- Issue date Sep 6, 2005
- Araco Kabushiki Kaisha
- Kenichi Kusunoki
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method for removing strain from press-formed workpiece, and forming...
- Patent number 6,860,135
- Issue date Mar 1, 2005
- Araco Kabushiki Kaisha
- Naoki Yoshioka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Sheet-metal formed with spaced projections and manufacturing method...
- Patent number 6,708,543
- Issue date Mar 23, 2004
- Araco Kabushiki Kaisha
- Naoki Yoshioka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
Hydraulic forming process, hydraulic forming device and metal separ...
- Publication number 20040079128
- Publication date Apr 29, 2004
- Kenichi Kusunoki
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Method for removing strain from press-formed workpiece, and forming...
- Publication number 20030145643
- Publication date Aug 7, 2003
- Naoki Yoshioka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
Sheet-metal formed with spaced projections and manufacturing method...
- Publication number 20010023603
- Publication date Sep 27, 2001
- ARACO KABUSHIKI KAISHA
- Naoki Yoshioka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...