Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10808305 | High-strength PC steel wire | Makoto Okonogi, Daisuke Hirakami, Masato Yamada, Katsuhito Oshima | 2020-10-20 |
| 10773517 | Liquid jet head and method for manufacturing liquid jet head | — | 2020-09-15 |
| 10752974 | High-strength PC steel wire | Makoto Okonogi, Daisuke Hirakami, Masato Yamada, Katsuhito Oshima | 2020-08-25 |