Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12351289 | Vessel azimuth control apparatus and azimuth control method | Toru Ikegame, Naoki Imamura, Takuya Ishioka | 2025-07-08 |
| 12214854 | Vessel azimuth control apparatus and azimuth control method | Toru Ikegame, Naoki Imamura, Takuya Ishioka | 2025-02-04 |
| 11947364 | Vessel anti-rolling control apparatus and anti-rolling control method | Naoki Imamura | 2024-04-02 |
| 11392125 | Docking support device of marine vessel | Naoyuki Fujiyama | 2022-07-19 |
| 11378984 | Vessel-azimuth control apparatus and azimuth controlling method | Naoki Imamura | 2022-07-05 |
| 11169524 | Heading control device and heading control method for ship | Naoki Imamura, Daisuke Suzuki | 2021-11-09 |
| 10507899 | Motion control device and motion control method for ship | Naoki Imamura, Norihiko Mouri | 2019-12-17 |
| 10344733 | Internal combustion engine ignition apparatus | Takeshi Koda | 2019-07-09 |
| 9341125 | Engine control apparatus and engine control method | Manabu Goho, Yasuhiko Ishida | 2016-05-17 |
| 9267458 | Control apparatus for general purpose engine | Yasuhiko Ishida | 2016-02-23 |
| 8843297 | Rpm control device and rpm control method for a general-purpose engine | Yasuhiko Ishida | 2014-09-23 |
| 8798823 | Electronic control apparatus for driving a boat | Hideki Umemoto | 2014-08-05 |
| 8541964 | Brushless motor rotation-position detection system | Makoto Itoi | 2013-09-24 |
| 8452468 | Vessel steering system | Hiroyuki Ono | 2013-05-28 |
| 4401308 | Scroll chuck device | Yoshiharu Ikenaka | 1983-08-30 |
| 4396316 | Die-head of machine tools | Yoshiharu Ikenaka | 1983-08-02 |
| 4288181 | Die-head of cutting machines | Yoshiharu Ikenaka | 1981-09-08 |