Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6386420 | Apparatus for continuously rolling steel billets | Susumu Okawa, Koji Okushima | 2002-05-14 |
| 6273324 | Apparatus for continuous rolling by welding the rolled materials at an intermediate stage of a rolling line | Susumu Okawa, Koji Okushima | 2001-08-14 |
| 6262385 | Flash butt welding device | Susumu Okawa, Hiroshi Fujii | 2001-07-17 |
| 6227953 | Apparatus for removing burr by multiple-stage grinding machine | Hiroshi Fujii, Koji Okushima | 2001-05-08 |
| 6138785 | Heavy burden transport vehicle | Hiroshi Satoh, by Sachiko Matsuo, heir, by Yayoi Matsuo, heir, by Kazue Matsuo, heir | 2000-10-31 |
| 6116496 | Method and apparatus for continuous rolling by reheating locally cold portions produced by clamping during flash-butt welding | Susumu Okawa, Hiroshi Fujii | 2000-09-12 |
| 6107594 | Flash butt welding device | Susumu Okawa, Hiroshi Fujii | 2000-08-22 |
| 6089441 | Method and apparatus for continuous rolling by welding the rolled materials at an intermediate stage of a rolling line | Susumu Okawa, Koji Okushima | 2000-07-18 |
| 6041993 | Method and apparatus of continuous rolling using multiple synchronously moving welders for tanden welding | Susumu Okawa, Hiroshi Fujii | 2000-03-28 |
| 5957367 | Continuous rolling method of billet and apparatus therefor | Susumu Okawa | 1999-09-28 |
| 5829117 | Hot saw cutting type continuous rolling method and apparatus thereof | Susumu Okawa | 1998-11-03 |
| 5787565 | Continuous rolling method | Soichi Aoyama, Akira Sakai | 1998-08-04 |
| 5709585 | Method and apparatus for removing burrs from joined billets in a continuous rolling process | Nobuyoshi Hamura, Susumu Okawa, Hidenori Anai, Akira Sakai, Soichi Aoyama +4 more | 1998-01-20 |
| 5548986 | Method and apparatus for simultaneously forming at least four metal rounds | Akira Sakai, Jeral Rains, Dayton Elley | 1996-08-27 |
| 5156033 | Method of cutting steel products in a rolling line | Akio Mehara, Tsuyoshi Nakano, Daizo Kobayashi, Motosuke Sugahara | 1992-10-20 |
| 5078000 | Rolling mill with interchangeable roller apparatus | Akio Mehara, Fumiyuki Yamaguchi | 1992-01-07 |
| 4969347 | Chockless rolling mill | Akio Mehara, Fumiyuki Yamaguchi | 1990-11-13 |
| 4905816 | Trough apparatus for conveying steel bar materials to a cooling hearth | Noburu Masuda, Tamiyasu Kosugi | 1990-03-06 |
| 4448298 | Rotary trough type cooling bed run-in apparatus | — | 1984-05-15 |