Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10968624 | Gypsum panel and method for producing gypsum panel | Katsumi NIIMI, Itaru Yokoyama, Kazuyuki Umehara, Keiichi Ohki, Shinji Yoshida +3 more | 2021-04-06 |
| 9533916 | Gypsum slurry, hardened gypsum, gypsum building material, gypsum board, method of producing gypsum slurry, method of producing hardened gypsum, method of producing gypsum building material, and method of producing gypsum board | Ken Watanabe | 2017-01-03 |
| 9321685 | Gypsum composition, gypsum slurry, gypsum hardened body, gypsum-based building material, gypsum board, and manufacturing method for a gypsum-based building material | Yosuke Sato | 2016-04-26 |