Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10974993 | Calcined gypsum treatment device and calcined gypsum treatment method | — | 2021-04-13 |
| 8913834 | Acoustic signal corrector and acoustic signal correcting method | — | 2014-12-16 |
| 8382923 | Apparatus and method for manufacturing gypsum board | Shoichi Okazaki, Takumi Hatanaka | 2013-02-26 |
| 8184945 | Authoring device and authoring method | — | 2012-05-22 |