Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331247 | Silica nanoparticles for crude oil recovery using carbon dioxide, and crude oil recovery method | Takashi Hiraoka, Yoshihiro Miyagawa, Masanobu Sagisaka, Masashi Abe | 2025-06-17 |
| 11834608 | Silica nanoparticles for crude oil recovery using carbon dioxide, and crude oil recovery method | Takashi Hiraoka, Yoshihiro Miyagawa, Masanobu Sagisaka, Masashi Abe | 2023-12-05 |