Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9856168 | Mixing and stirring device, method, and method for manufacturing lightweight gypsum board, including chute with eccentric orifice passage | Hitoshi Inenaga, Yutaka Matsuzaki | 2018-01-02 |
| 9851318 | Method of detecting air gap in gypsum-based building board and method of manufacturing gypsum-based building board | Shinji Yonezawa | 2017-12-26 |