Average Co-Inventor Count = 1.21
ph-index = 6
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. Other (6 from 832,880 patents)
2. Educational Testing Service (2 from 222 patents)
8 patents:
1. 9756945 - Mobile ergonomic rotating adjustable chair with lumbar support
2. 9226582 - Mobile ergonomic rotating adjustable chair with lumbar support
3. 8622474 - Mobile ergonomic rotating adjustable chair with lumbar support
4. 8308241 - Mobile ergonomic rotating adjustable chair with lumbar support
5. 8100476 - Mobile ergonomic rotating adjustable chair with lumbar support
6. 7585028 - Mobile ergonomic rotating adjustable chair with lumbar support
7. 5893717 - Computerized method and system for teaching prose, document and
8. 5211564 - Computerized figural response testing system and method