Average Co-Inventor Count = 5.00
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. Tsinghua University (2 from 4,312 patents)
2 patents:
1. 9729990 - Manufacturing method of a condenser microphone
2. 9258662 - Condenser microphone and manufacturing method thereof