Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632132 | Tornado type intake and blowing device | Yoshimasa Kikuchi, Kunihiko Miyake | 2003-10-14 |
| 6620038 | Suction and exhaust device | Yoshimasa Kikuchi | 2003-09-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632132 | Tornado type intake and blowing device | Yoshimasa Kikuchi, Kunihiko Miyake | 2003-10-14 |
| 6620038 | Suction and exhaust device | Yoshimasa Kikuchi | 2003-09-16 |