Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6551074 | Centrifugal fan with waterproof structure | Naruhiko Kudo | 2003-04-22 |
| 6359354 | Watertight brushless fan motor | Osamu Kawakami, Nobuyuki Aoki | 2002-03-19 |
| 6158985 | Air fan including waterproof structure | Michinori Watanabe, Akiyoshi Kuroda | 2000-12-12 |
| 5650678 | Brushless DC motor and bearing holding therefor | Shinjiro Yokozawa | 1997-07-22 |