Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11364467 | Desulfurization device | Satoru Sugita, Tetsu Ushiku, Naoyuki Yoshizumi, Tsuyoshi Miyachi, Seiji Kagawa | 2022-06-21 |
| 10953363 | Method for installing spray pipe | Satoru Sugita, Tetsu Ushiku, Naoyuki Yoshizumi, Tsuyoshi Miyachi, Seiji Kagawa | 2021-03-23 |
| 10926217 | Ship desulfurization device and ship equipped with ship desulfurization device | Tetsu Ushiku, Satoru Sugita, Tatsuto Nagayasu, Seiji Kagawa, Naoyuki Kamiyama +1 more | 2021-02-23 |
| 9573095 | Flue gas treatment apparatus and flue gas treatment method | Takashi Yoshimoto, Seiji Kagawa, Toshihiro Fukuda | 2017-02-21 |