Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12176786 | Waterproof fan | Noriaki Ogawa, Satoshi Nakazawa, Izumi Onozawa | 2024-12-24 |
| 11286949 | Waterproof blower fan | Masaki Kodama, Kakuhiko Hata | 2022-03-29 |
| 10393127 | Housing of fan motor | Haruka Sakai, Jiro Watanabe, Masafumi Yokota | 2019-08-27 |
| 10260519 | Bidirectional axial fan device | Satoshi Fujimake, Takashi Kawashima | 2019-04-16 |
| 8172501 | Counter-rotating axial-flow fax | Yasuhiro Maruyama, Hayato Murayama | 2012-05-08 |
| 7872381 | Counter-rotating axial-flow fan | Jiro Watanabe, Yasuhiro Maruyama | 2011-01-18 |
| D602142 | Axial fan with double impellers rotating in mutually opposite directions | Yasuhiro Maruyama, Hayato Murayama | 2009-10-13 |
| 7227286 | Long life fan motor | Naruhiko Kudo, Hiromitsu Kuribayashi | 2007-06-05 |