Issued Patents 2022
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11414502 | Fluorosulfonyl group or sulfonic acid group-containing polymer, its production method and its application | Takeshi Hirai, Chikaya Tamitsuji | 2022-08-16 |
| 11242420 | Fluorosulfonyl group-containing compound, fluorosulfonyl group-containing monomer, and their production methods | Takeshi Hirai, Chikaya Tamitsuji | 2022-02-08 |