Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9518586 | Inline axial flow fan | Jun Chieh Yen | 2016-12-13 |
| 9267505 | Counter-rotating axial flow fan | Atsushi Yanagisawa | 2016-02-23 |
| 8807919 | Counter-rotating axial flow fan | Chisachi Kato, Atsushi Yamaguchi, Akira Ueda, Kazuhiro Nitta, Akihiro Otsuka +3 more | 2014-08-19 |
| 8764375 | Counter-rotating axial flow fan | Chisachi Kato, Atsushi Yamaguchi, Akira Ueda, Kazuhiro Nitta, Akihiro Otsuka +3 more | 2014-07-01 |
| 8690528 | Counter-rotating axial flow fan | Chisachi Kato, Atsushi Yamaguchi, Akira Ueda, Kazuhiro Nitta, Akihiro Otsuka +3 more | 2014-04-08 |
| 7909568 | Counter-rotating axial-flow fan | Katsumichi Ishihara | 2011-03-22 |
| 7866945 | Axial flow fan | Katsumichi Ishihara | 2011-01-11 |
| 7828519 | Axial flow fan | Katsumichi Ishihara | 2010-11-09 |
| 7445423 | Counter-rotating axial-flow fan | Katsumichi Ishihara | 2008-11-04 |
| 7156611 | Counterrotating axial blower | Katsumichi Ishihara, Toshiyuki Nakamura, Takashi Kaise, Yoshihiko Aizawa, Seiji Nishimura | 2007-01-02 |
| D517674 | Impeller for an axial fan | Katsumichi Ishihara, Yoshihiko Aizawa | 2006-03-21 |
| D516693 | Axial fan with double impellers rotating in mutually opposite directions | Katsumichi Ishihara, Yoshihiko Aizawa | 2006-03-07 |
| D516194 | Axial fan with double impellers rotating in mutually opposite directions | Katsumichi Ishihara, Yoshihiko Aizawa | 2006-02-28 |