Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9369069 | Control device of fan motor | Takahisa Toda, Jiro Watanabe | 2016-06-14 |
| 7156611 | Counterrotating axial blower | Honami Oosawa, Katsumichi Ishihara, Toshiyuki Nakamura, Yoshihiko Aizawa, Seiji Nishimura | 2007-01-02 |