Average Co-Inventor Count = 7.50
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 (1 from 4,296 patents)
2. Hwatsing Technology Co., Ltd. (1 from 4 patents)
2 patents:
1. 9377286 - Device for globally measuring thickness of metal film
2. 9138857 - Chemical mechanical polishing machine and chemical mechanical polishing apparatus comprising the same