Average Co-Inventor Count = 2.31
ph-index = 3
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. (7 from 832 patents)
7 patents:
1. 10046434 - Eyeglass lens periphery processing apparatus
2. 9421658 - Apparatus having cup attaching unit
3. 9421720 - Apparatus having cup attaching unit
4. 8506352 - Eyeglass lens processing apparatus
5. 7617579 - Eyeglass lens processing apparatus
6. 7322082 - Eyeglass lens processing apparatus
7. 7190448 - Surface inspecting apparatus