Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6689246 | Method of making composite airfoil structures | Makoto Hirahara, Yasuo Isano, Kazuaki Amaoka | 2004-02-10 |
| 6234423 | Composite airfoil structures and their forming methods | Makoto Hirahara, Yasuo Isano, Kazuaki Amaoka | 2001-05-22 |