Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11965130 | Borehole cement slurry additive, method for storing same, borehole cement slurry, and borehole cementing method | Satoru Murakami, Isao Oota | 2024-04-23 |
| 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 |