Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12319634 | Method for purifying 1,2-difluoroethylene (HFO-1132) | Takashi Usui, Kazuhiro Takahashi | 2025-06-03 |
| 12275681 | Olefin compound production method | Yuuko ITO, Tsubasa NAKAUE, Takehiro Chaki, Takashi Usui, Megumi KUSHIDA | 2025-04-15 |
| 12258364 | Method for purifying phosphorus-containing olefin compound salt and method for producing olefin compound using purified product obtained thereby | Yuuko ITO, Tsubasa NAKAUE, Takehiro Chaki, Takashi Usui, Megumi KUSHIDA | 2025-03-25 |