Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12397910 | Flight efficiency improving system for compound helicopter | Wataru Kobayashi, Hirotaka Hayashi, Mizuki Nakamura, Masafumi Sasaki, Yasutada Tanabe | 2025-08-26 |
| 11591077 | Vibration control system for compound helicopter | Wataru Kobayashi, Hirotaka Hayashi, Mizuki Nakamura, Masafumi Sasaki, Yasutada Tanabe +1 more | 2023-02-28 |
| 11214364 | Main rotor blade and helicopter | Masahiko Sugiura, Yasutada Tanabe, Takashi Aoyama | 2022-01-04 |
| 7757991 | Helicopter blade vortex interaction noise reducing method and device | Yasutada Tanabe, Takeshi Akasaka, Shigeru Saito | 2010-07-20 |
| 5655878 | Higher harmonic control apparatus for a helicopter rotor | Eiichi Yamakawa, Atsushi Murashige | 1997-08-12 |
| 5639215 | Helicopter rotor equipped with flaps | Eiichi Yamakawa, Eiji Shima | 1997-06-17 |