Average Co-Inventor Count = 2.00
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. Nidek Co., Ltd. (2 from 832 patents)
2 patents:
1. 7125405 - Method for calculating refractive correction amount in corneal refractive surgery
2. 6136012 - Apparatus for operation on a cornea