Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12187845 | Polyester resin and method for producing polyester resin | Katsumi Shinohara, Kazua Sato | 2025-01-07 |
| 11840603 | Polyester resin and method for producing polyester resin | Katsumi Shinohara, Kazua Sato | 2023-12-12 |