Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10976742 | Ship handling device | Hiroyasu Ishida, Toshiaki NAEGA | 2021-04-13 |
| 10953973 | Ship handling device and ship including the same | Koichi Kanda, Jun Watanabe | 2021-03-23 |
| 10782692 | Ship handling device | Gakuji TAMURA, Daisuke Irahara | 2020-09-22 |
| 9908605 | Ship steering system for outdrive device | Naohiro Hara, Jun Watanabe, Junichi Hitachi | 2018-03-06 |
| 9669916 | Ship steering system for out-drive device | Junichi Hitachi, Takao Nakanishi, Jun Watanabe, Gakuji TAMURA | 2017-06-06 |
| 9494094 | Engine rotational speed control device | Naohiro Hara, Jun Watanabe, Hiroaki Wakahara, Takao Nakanishi | 2016-11-15 |
| 9193431 | Ship steering device and ship steering method | Naohiro Hara, Toshimitsu Hirose | 2015-11-24 |
| 8862293 | Ship steering device and ship steering method | Naohiro Hara, Toshimitsu Hirose | 2014-10-14 |
| 5797357 | Apparatus for forming protective films in water feed pipes of boiler | Atsushi Kawachi, Norifumi Matsuda | 1998-08-25 |