Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8292588 | Impeller and centrifugal fan | Takaya Otsuki, Tatsuya Akase, Toshikazu FUKUNAGA, Kazumi Takeshita, Tomohiko Ogasawara | 2012-10-23 |
| 8157513 | Axial flow fan | Hidenobu Takeshita, Toshikazu FUKUNAGA | 2012-04-17 |