Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11286545 | Cr-Ni alloy and seamless steel pipe made of Cr-Ni alloy | Masaki Ueyama, Yusaku Tomio | 2022-03-29 |
| 10280487 | High alloy for oil well | Masayuki Sagara | 2019-05-07 |
| 10202675 | Duplex stainless steel | Masayuki Sagara | 2019-02-12 |