Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4959571 | Axial-flow fan with tapered hub and duct | Kazuhiro Yasumoto | 1990-09-25 |
| D301454 | Miniature electric motor | Naoyuki Hara | 1989-06-06 |
| 4814914 | Disc driving device having a reinforced base | Etsuo Tamura, Kazuhiro Yasumoto | 1989-03-21 |
| 4773828 | Blower | Naoyuki Hara | 1988-09-27 |
| 4442386 | Control apparatus of transistor motor | Ryohei Uchida, Tatsuo Yamasaki, Toshio Idei, Toshio Tatsutani | 1984-04-10 |