Average Co-Inventor Count = 4.00
ph-index = 4
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. Redfin Corporation (5 from 9 patents)
5 patents:
1. 10078866 - Collaborative system for online search
2. 9760237 - User interfaces for displaying geographic information
3. 9576317 - Collaborative system for online search
4. 9213461 - Web-based real estate mapping system
5. 9105061 - Online marketplace for real estate transactions