Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11822242 | DNQ-type photoresist composition including alkali-soluble acrylic resins | Weihong Liu, Ping-Hung Lu, Medhat A. Toukhy | 2023-11-21 |
| 11698586 | Negative-working ultra thick film photoresist | Aritaka Hishida, Hisashi Motobayashi, Lei Lu, PingHung Lu, Weihong Liu | 2023-07-11 |