Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10670686 | Position specifying device, transmitter, and non-transitory recording medium | Nobuyuki Akanoma, Kazuo Fukaya | 2020-06-02 |
| 10605144 | Exhaust gas purification device for ship | Ryota KOBAYASHI, Tsuyoshi Inoue, Tetsuya Yokoyama, Shunji Hamaoka | 2020-03-31 |
| 10443469 | Exhaust gas purification system and ship having the same | Tetsuya Yokoyama, Tsuyoshi Inoue, Shunji Hamaoka | 2019-10-15 |
| 10132223 | Exhaust purifier | Yoshinori Fukui, Yoshihiro Yamaguchi | 2018-11-20 |
| 10125651 | Exhaust purification system for ship | Tetsuya Yokoyama, Tsuyoshi Inoue | 2018-11-13 |
| 9976465 | Exhaust purifier | Yoshinori Fukui, Toshihisa Kanda, Shunji Hamaoka | 2018-05-22 |
| 9732652 | Exhaust-gas purification device | Yoshinori Fukui, Fumihiro Nishiura, Miwa Uchida, Tetsuya Yokoyama | 2017-08-15 |
| 4296621 | Machines for forming coiled springs | Yozo Ohdai | 1981-10-27 |