Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5513511 | Method of producing seamless steel tube by using mandrel mill | Toshio Imae | 1996-05-07 |
| 4806163 | Mold additives for use in continuous casting | Hakaru Nakato, Tsutomu Nozaki, Yasuhiro Habu, Tsunehiro Ueda, Takao Koshikawa +2 more | 1989-02-21 |