Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10032531 | Chemical solution injection system and chemical solution injection method | Tetsuo Oosato, Seiji Yamamoto, Hiroyuki Arai, Osamu Shibasaki, Koji Negishi +1 more | 2018-07-24 |
| 10006127 | Method for suppressing corrosion in plant and plant | Osamu Shibasaki, Seiji Yamamoto, Hajime Hirasawa | 2018-06-26 |
| 9969889 | Corrosion-resistant structure for high-temperature water system and corrosion-preventing method thereof | Osamu Shibasaki, Koji Negishi, Seiji Yamamoto, Hajime Hirasawa, Kenji Yamazaki +1 more | 2018-05-15 |