Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8732645 | Placement and routing cells on integrated circuit chips | Roger P. Ang, Kenneth S. McElvain | 2014-05-20 |
| 7350173 | Method and apparatus for placement and routing cells on integrated circuit chips | Roger P. Ang, Kenneth S. McElvain | 2008-03-25 |