Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11114286 | In-situ optical chamber surface and process sensor | Chuang-Chia Lin, Upendra Ummethala, Steven E. Babayan | 2021-09-07 |
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Lei Lian
Overall (2021): #362,868 of 548,734Top 70%
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Patents 2021