Average Co-Inventor Count = 7.50
ph-index = 2
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. Charm Engineering Co., Ltd. (2 from 4 patents)
2 patents:
1. 8980049 - Apparatus for supporting substrate and plasma etching apparatus having the same
2. 8888950 - Apparatus for plasma processing and method for plasma processing