Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499690 | Rotor blade flap drive apparatus | Noriaki Katayama, Tatsuro Hongu | 2002-12-31 |
| 6454207 | Flap support mechanism and a flap-equipped rotor blade | Noriaki Katayama, Tetsuya Hori | 2002-09-24 |
| 6315522 | Helicopter blade aerofoil and helicopter blade | Akihiko Tsuchihashi, Kenjiro Inagaki | 2001-11-13 |
| 6312358 | Constant speed drive apparatus for aircraft generator and traction speed change apparatus | Tatsuhiko Goi, Kouji Kawakami | 2001-11-06 |
| 6273681 | Rotor blade flap driving apparatus | Tatsuro Hongu | 2001-08-14 |
| 6272404 | Flight path indicated apparatus | Takaki Amano | 2001-08-07 |
| 6254504 | Power transmission apparatus for helicopter | Tatsuhiko Goi, Kouji Kawakami | 2001-07-03 |
| 6231308 | Rotor blade for rotary wing aircraft | Natsuki Kondo, Tomoka Tsujiuchi | 2001-05-15 |
| 6198991 | Low-noise level landing apparatus and system for helicopters | Natsuki Kondo, Hiroki Nishimura | 2001-03-06 |
| 6190132 | Rotor blade for rotorcraft | Atsushi Murashige, Tomoka Tsujiuchi | 2001-02-20 |
| 6164918 | Helicopter blade aerofoil | Makoto Aoki, Hiroki Nishimura | 2000-12-26 |
| 6109870 | Rotor blade flap driving apparatus | Tatsuro Hongu, Mitsumasa Sato, Shun-ichi Bandoh | 2000-08-29 |
| 6053452 | Compensation apparatus for main rotor torque | Natsuki Kondo | 2000-04-25 |
| 5961290 | Helicopter blade aerofoil | Makoto Aoki, Hiroki Nishimura | 1999-10-05 |
| 5957662 | helicopter blade aerofoil | Makoto Aoki, Hiroki Nishimura | 1999-09-28 |
| 5782433 | Engine deceleration device and power transmission device for helicopters | Tatsuhiko Goi, Nobuyoshi Yamauchi | 1998-07-21 |
| 5655878 | Higher harmonic control apparatus for a helicopter rotor | Atsushi Murashige, Noboru Kobiki | 1997-08-12 |
| 5639215 | Helicopter rotor equipped with flaps | Noboru Kobiki, Eiji Shima | 1997-06-17 |