Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10987943 | Expansion device, three-dimensional image forming system, thermally-expandable sheet, three-dimensional object shaping method, and computer-readable storage medium | Takao Semba, Koji Tamura, Junji Hobo, Takayuki Fukushima | 2021-04-27 |