Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10696022 | Composite plate and production method therefor | Isao Yamashita, Shoichi Yamauchi, Koji Tsukuma | 2020-06-30 |
| 10682831 | Composite plate and method for producing same | Isao Yamashita, Shoichi Yamauchi, Koji Tsukuma | 2020-06-16 |