Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5116571 | Chromoum heat-resistant steel excellent in toughness and having high cracking resistance and high creep strength in welded joint | Haruo Suzuki, Hiroaki Tsukamoto, Seishi Tsuyama, Moriyasu Nagae | 1992-05-26 |