Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9916411 | Negative plane usage with a virtual hierarchical layer | Jun Chen, Karthikeyan Muthalagu, James Lewis Nance | 2018-03-13 |
| 9881114 | Virtual hierarchical layer propagation | Jun Chen, Karthikeyan Muthalagu, James Lewis Nance, Zhen Ren, Ying Shi | 2018-01-30 |