Average Co-Inventor Count = 1.00
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. Hoya Optics, Inc. (1 from 3 patents)
1 patent:
1. 5030851 - (RE.sub.x Y.sub.1-x Al.sub.3 (BO.sub.3).sub.4 crystals in electrooptic