Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11512019 | Apparatus and method for treating gypsum | Takeshi Takenaka, Masaru Yoshida | 2022-11-29 |
| 10350564 | Apparatus and method for calcination of gypsum | Katsumi NIIMI, Kazumi Endo, Takeshi Takenaka | 2019-07-16 |