Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12194442 | Gas desulfurizing agent and desulfurizing method | Hirofumi Ohtsuka, Takenori Hirano | 2025-01-14 |
| 10814312 | Desulfurizing agent for gases and gas desulfurization method | Susumu Takami, Hirofumi Ohtsuka, Takenori Hirano | 2020-10-27 |