Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8251666 | Blade and fan having the same | Toshihiko Nishiyama, Keiichi Inaba | 2012-08-28 |
| 6454527 | Noise reduction mechanism of fan device and molding method of porous damping material therefor | Toshihiko Nishiyama, Mitsuo Yabe | 2002-09-24 |
| 6450760 | Fan device | Hideo Furukawa, Toshihiko Nishiyama | 2002-09-17 |