Average Co-Inventor Count = 3.00
ph-index = 3
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Cadence Design Systems, Inc. (4 from 2,546 patents)
4 patents:
1. 8453091 - Method and mechanism for managing hierarchical data for implementing region query
2. 8413087 - Method and mechanism for implementing region query using hierarchical grids
3. 8413093 - Method and mechanism for performing region query using hierarchical grids
4. 8407228 - Method and mechanism for maintaining existence information for electronic layout data