Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632132 | Tornado type intake and blowing device | Kunihiko Miyake, Yoshinori Narikawa | 2003-10-14 |
| 6620038 | Suction and exhaust device | Yoshinori Narikawa | 2003-09-16 |
| 6551185 | Air intake and blowing device | Kunihiko Miyake, Toru Iwata, Masashi Kamada | 2003-04-22 |