Average Co-Inventor Count = 2.90
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. Nan Ya Technology Corporation (3 from 2,305 patents)
3 patents:
1. 6923709 - Chemical mechanical polishing apparatus having a measuring device for measuring a guide ring
2. 6920796 - Device used for detecting clamping force of processed object and method thereof
3. 6761624 - Chemical mechanical polishing apparatus