Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11266280 | Dust removing device and dust removing system | Yoshifumi Ohtsu, Toru Nakayama, Shigeyuki Eguchi, Koichi Konno, Junichi Inaba +3 more | 2022-03-08 |
| D866464 | Vacuum generator | Toru Nakayama, Koji Sugano | 2019-11-12 |
| D853329 | Vacuum generator | Toru Nakayama, Koji Sugano | 2019-07-09 |
| D531119 | Vacuum generator | Shigekazu Nagai, Yoshiharu Ito | 2006-10-31 |