Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10755442 | Oil leakage detector and oil leakage detection method and image processing unit | Li Lu, Satoshi Ichimura, Tomohiro Moriyama, Jun Nukaga, Toshiaki Rokunohe +1 more | 2020-08-25 |
| 10563109 | Additive for slurry, drilling mud, and cement slurry | Yosuke Kumaki | 2020-02-18 |