Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648564 | Burr removing method and apparatus | Koji Yamashita, Hiromasa Hayashi, Susumu Okawa | 2003-11-18 |
| 6402441 | Burr removing method and apparatus | Koji Yamashita, Hiromasa Hayashi, Susumu Okawa | 2002-06-11 |
| 6386420 | Apparatus for continuously rolling steel billets | Giichi Matsuo, Susumu Okawa | 2002-05-14 |
| 6296428 | Burr removing method and apparatus | Koji Yamashita, Hiromasa Hayashi, Susumu Okawa | 2001-10-02 |
| 6273324 | Apparatus for continuous rolling by welding the rolled materials at an intermediate stage of a rolling line | Giichi Matsuo, Susumu Okawa | 2001-08-14 |
| 6227953 | Apparatus for removing burr by multiple-stage grinding machine | Giichi Matsuo, Hiroshi Fujii | 2001-05-08 |
| 6089441 | Method and apparatus for continuous rolling by welding the rolled materials at an intermediate stage of a rolling line | Giichi Matsuo, Susumu Okawa | 2000-07-18 |
| 5774973 | Continuous rolling method of cast billets | Soichi Aoyama, Akira Sakai | 1998-07-07 |
| 5719368 | Apparatus for joining billets in continuous rolling mill | Soichi Aoyama, Susumu Okawa | 1998-02-17 |
| 5709585 | Method and apparatus for removing burrs from joined billets in a continuous rolling process | Giichi Matsuo, Nobuyoshi Hamura, Susumu Okawa, Hidenori Anai, Akira Sakai +4 more | 1998-01-20 |