Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5613390 | Corner reduction device equipped with corner rolls, control device thereof, and method of rolling by using these devices | Takashi Ishikawa, Toshisada Takechi, Katsumi Okada, Takatoshi Amakawa | 1997-03-25 |
| 5600986 | Sizing press and die system | Takashi Ishikawa, Shigefumi Katsura, Toshisada Takechi | 1997-02-11 |