Average Co-Inventor Count = 3.43
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. (4 from 832 patents)
4 patents:
1. 9421658 - Apparatus having cup attaching unit
2. 9421720 - Apparatus having cup attaching unit
3. 9144876 - Eyeglass lens processing apparatus
4. 7437809 - Eyeglass lens processing apparatus