Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8807919 | Counter-rotating axial flow fan | Atsushi Yamaguchi, Akira Ueda, Kazuhiro Nitta, Akihiro Otsuka, Tadashi Katsui +3 more | 2014-08-19 |
| 8764375 | Counter-rotating axial flow fan | Atsushi Yamaguchi, Akira Ueda, Kazuhiro Nitta, Akihiro Otsuka, Tadashi Katsui +3 more | 2014-07-01 |
| 8690528 | Counter-rotating axial flow fan | Atsushi Yamaguchi, Akira Ueda, Kazuhiro Nitta, Akihiro Otsuka, Tadashi Katsui +3 more | 2014-04-08 |