Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10144057 | Method for manufacturing forged steel roll | Hirofumi Onishi, Akihiro Yamanaka, Hideo MIZUKAMI, Hideyoshi Yamaguchi | 2018-12-04 |
| 6478898 | Method of producing tool steels | Masahide Umino, Yasutaka Okada, Kunio Kondo | 2002-11-12 |
| 6479013 | Casting components made from a tool steel | Masahide Umino, Kunio Kondo | 2002-11-12 |