Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11795363 | Silica-based additive for cementing composition, cementing composition, and cementing method | Satoru Murakami, Isao Oota | 2023-10-24 |
| 11753572 | Additive for cement slurry for well and method for producing said additive, cement slurry for well, and cementing method for well | Satoru Murakami, Isao Oota | 2023-09-12 |