Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11365000 | Rotorcraft including variable blade torsional angle mechanism | Atsushi Hayashida | 2022-06-21 |
| 5228834 | Hub structure for a rotary wing aircraft | Keizou Yamamoto, Takahiro ICHIHASHI, Kanehiro Hanayama, Shunichi Bandoh, Asao Kakinuma | 1993-07-20 |
| 4676720 | Bearingless hub structure for rotary-wing aircrafts | Yoshiyuki Niwa, Masahiro Kashiwagi, Masahiro Yasue, Shunichi Bandoh, Asao Kakinuma | 1987-06-30 |
| 4309481 | Filter-coated phosphor | Takeshi Takahara | 1982-01-05 |