Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11326433 | Fracturing method and depressurizing device used for same | Hiroshi Asanuma, Shigemi NAGANAWA, Tatsuya Kajiwara, Kuniaki Shimada | 2022-05-10 |
| 9394134 | Image forming apparatus and recording medium stacking apparatus | Osamu Tamura, Yoshiyuki Takaishi, Ryuichi Sato | 2016-07-19 |
| 9042806 | Image forming apparatus and recording medium stacking apparatus | Osamu Tamura, Yoshiyuki Takaishi, Ryuichi Sato | 2015-05-26 |