Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8453091 | Method and mechanism for managing hierarchical data for implementing region query | Guruprasad Rao, Mark Steven Hahn | 2013-05-28 |
| 8413087 | Method and mechanism for implementing region query using hierarchical grids | Guruprasad Rao, Mark Steven Hahn | 2013-04-02 |
| 8413093 | Method and mechanism for performing region query using hierarchical grids | Guruprasad Rao, Mark Steven Hahn | 2013-04-02 |
| 8407228 | Method and mechanism for maintaining existence information for electronic layout data | Mark Steven Hahn, Guruprasad Rao | 2013-03-26 |