Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7921637 | High bypass-ratio turbofan jet engine | Hitoshi Fujiwara | 2011-04-12 |
| 7887287 | Turbofan jet engine | Hisao Futamura, Hitoshi Fujiwara | 2011-02-15 |
| 7555893 | Aircraft propulsion system | Keiichi Okai, Takeshi Tagashira, Hiroshi Nomura | 2009-07-07 |
| 7423405 | Electromagnetic rotating machine | Keiichi Okai, Takeshi Tagashira, Hiroshi Nomura | 2008-09-09 |