Average Co-Inventor Count = 4.00
ph-index = 1
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. Hewlett-packard Development Company, L.p. (2 from 27,404 patents)
2. Oregon State University (1 from 313 patents)
2 patents:
1. 9780295 - Lead-free piezoelectric material
2. 8734670 - Lead-free piezoelectric materials with enhanced fatigue resistance