Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10618197 | Gypsum-based board material producing apparatus | Yuichi Hirooka, Masaru Yoshida | 2020-04-14 |
| 10589444 | Mixer and mixing method for gypsum slurry | Ushio Sudo, Wataru Nakamura, Hirokuni Tani | 2020-03-17 |