Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10808305 | High-strength PC steel wire | Daisuke Hirakami, Masato Yamada, Katsuhito Oshima, Shuichi Tanaka | 2020-10-20 |
| 10752974 | High-strength PC steel wire | Daisuke Hirakami, Masato Yamada, Katsuhito Oshima, Shuichi Tanaka | 2020-08-25 |
| 10704118 | Steel wire and wire rod | Shingo Yamasaki, Akifumi Kawana, Hideaki Gotohda | 2020-07-07 |
| 10533242 | Steel for cold forging | Takahiko Kohtake, Kazuto Kawakami | 2020-01-14 |