Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7622305 | Multiple acid solution characterization | Hok-Kin Choi, Yongmei Wu | 2009-11-24 |
| 7412872 | Process for screening outgas emissions in semiconductor processing | Hok-Kin Choi | 2008-08-19 |
| 7087104 | Preparation of electroless deposition solutions | Hok-Kin Choi, Valery M. Dubin, Chin-Chang Cheng, Ting Zhong | 2006-08-08 |