Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12378356 | Method for purifying branched polyethylene glycol | Midori Hirai | 2025-08-05 |
| 12304999 | Method for purifying polyethylene glycol compound | Ryo Kawahara, Atsushi Sato, Midori Hirai | 2025-05-20 |