Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12275681 | Olefin compound production method | Yuuko ITO, Takehiro Chaki, Takashi Usui, Tomoyuki IWAMOTO, 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, Takehiro Chaki, Takashi Usui, Tomoyuki IWAMOTO, Megumi KUSHIDA | 2025-03-25 |
| 12110260 | Production method of 1,2-difluoroethylene | — | 2024-10-08 |
| 12054445 | Method for manufacturing 1-halo-2-fluoroethylene | Tomo OTSUKA, Kazuhiro Takahashi | 2024-08-06 |
| 11780793 | Method for producing 1,1,2-trifluoroethane (HFC-143) | Takehiro Chaki, Megumi KUSHIDA, Kazuhiro Takahashi | 2023-10-10 |
| 11691935 | Production method for fluoro-ethane and production method for fluoro-olefin | Tomoyuki IWAMOTO, Takashi Usui, Takehiro Chaki, Kazuhiro Takahashi | 2023-07-04 |
| 11560345 | Fluoroethane production method and fluoroolefin production method | Tomoyuki IWAMOTO, Takashi Usui, Takehiro Chaki, Kazuhiro Takahashi | 2023-01-24 |
| 11377406 | Fluoroethane production method and fluoroolefin production method | Tomoyuki IWAMOTO, Takashi Usui, Takehiro Chaki, Kazuhiro Takahashi | 2022-07-05 |
| 11312673 | Method for producing 1,1,2-trifluoroethane (HFC-143) | Takehiro Chaki, Megumi KUSHIDA, Kazuhiro Takahashi | 2022-04-26 |
| 11247951 | Method for producing difluoroethylene | Takashi Usui, Yuzo Komatsu, Kazuhiro Takahashi, Takehiro Chaki, Megumi KUSHIDA | 2022-02-15 |
| 11236030 | Method for producing fluoroolefin | Takashi Usui, Takehiro Chaki, Yuzo Komatsu | 2022-02-01 |
| 11198662 | Fluoroolefin production method | Takashi Usui, Takehiro Chaki | 2021-12-14 |