Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11655339 | Polybenzimidazole, precursor polyamide thereof, and method for producing same | Yoshiyuki Oishi, Tsuyoshi Noguchi | 2023-05-23 |
| 11548983 | Polybenzimidazole, precursor polyamide thereof, and method for producing same | Yoshiyuki Oishi, Tsuyoshi Noguchi | 2023-01-10 |