Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10514633 | Liquid electrophotographic ink developer unit | Guang Jin Li, Stanley J. Kozmiski, Seongsik Chang, Daniel Tanchangco, David Sabo +1 more | 2019-12-24 |
| 10331055 | Inner resistive film with ductile particles and outer resistive film | Seongsik Chang, Omer Gila | 2019-06-25 |
| 10254676 | Charge roller for electrographic printer | Seongsik Chang, Michael H. Lee, Omer Gila, Anthony William McLennan | 2019-04-09 |