Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4975192 | Cyclone separator | Yoshio Yoshida, Makoto Harada, Masaaki Sato | 1990-12-04 |
| 4942739 | Mixing chamber for an air-conditioning system | Yoshio Yoshida, Makoto Harada, Masaaki Sato | 1990-07-24 |