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. Asia Optical Co., Ltd. (1 from 486 patents)
1 patent:
1. 6236504 - Method and device for adjusting eye range by means of displacements of prisms and ocular lenses