Issued Patents All Time
Showing 1–7 of 7 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 |
| 10234355 | Leakage oil detection system | Li Lu, Satoshi Ichimura, Tomohiro Moriyama, Jun Nukaga, Akira YAMAGISHI | 2019-03-19 |
| 10118978 | Vinyl alcohol polymer and production method thereof, additive for drilling mud, drilling mud, additive for drilling cement slurry, and drilling cement slurry | Yosuke Kumaki | 2018-11-06 |
| 10113933 | Leakage oil detector system and method | Li Lu, Toshiaki Rokunohe, Tomohiro Moriyama, Jun Nukaga, Akira YAMAGISHI | 2018-10-30 |
| 9898830 | Oil leakage detector and oil leakage detection method | Li Lu, Satoshi Ichimura, Tomohiro Moriyama, Jun Nukaga, Toshiaki Rokunohe +1 more | 2018-02-20 |
| 9156928 | Alkyl-modified vinyl alcohol polymer, and composition, thickener, coating material for paper, coated paper, adhesive and film containing the same | Shinsuke Nii, Masato Nakamae, Yuta Taoka | 2015-10-13 |