Average Co-Inventor Count = 3.00
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. Ntn Corporation (1 from 2,462 patents)
1 patent:
1. 7602678 - Lens holder and lens protector for use in optical pick-up and method of manufacturing same