Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11053569 | Alloying-element additive and method of manufacturing copper alloy | Keisuke Fujito, Takashi Hayasaka, Toru Sumi | 2021-07-06 |
| 10920306 | Aluminum alloy wire rod and producing method thereof | Toru Sumi, Kazuya Nishi, Shohei Hata, Takashi Hayasaka | 2021-02-16 |