Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5396050 | Method of joining steel sheet bars and a joining apparatus | Toshiaki Amagasa, Toshisada Takechi, Fujio Aoki, Hideo Takekawa, Naoki Hatano +3 more | 1995-03-07 |
| 5323951 | Method of joining steel sheet bars in hot rolling and a continuous hot rolling method | Toshisada Takechi, Fujio Aoki, Kunio Yoshida, Naoki Hatano, Hiroshi Sekiya +7 more | 1994-06-28 |
| 5292052 | Continous hot rolling method and joining method of sheet bar | Nobuhiro Ito, Toshisada Takechi, Hideo Takekawa, Fujio Aoki, Hiroyuki Yoshimura +2 more | 1994-03-08 |