Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12403719 | Efficient ink erasure system | Nikolaos CHRYSANTHAKOPOULOS | 2025-09-02 |
| 12297362 | Non newtonian ballpoint pen ink comprising cellulose nanofibers | Wing Yam LIU | 2025-05-13 |