Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4675156 | Structural austenitic stainless steel with superior proof stress and toughness at cryogenic temperatures | Setsu Sakamoto, Yasuhiro Nakagawa, Isamu Yamauchi, Katsumi Suzuki, Susumu Shimamoto +1 more | 1987-06-23 |
| 4535034 | High Al heat-resistant alloy steels having Al coating thereon | Yasuo Otoguro, Mikio Yamanaka, Shozo Yamane | 1985-08-13 |
| 4470802 | Highly buildup-resistant hearth roll for conveying a steel strip through a continuous annealing furnace and a method therefor | Yasuo Otoguro, Mikio Yamanaka | 1984-09-11 |