Average Co-Inventor Count = 3.43
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. Kokusai Electric Co., Ltd. (2 from 153 patents)
2 patents:
1. 6053980 - Substrate processing apparatus
2. 5850071 - Substrate heating equipment for use in a semiconductor fabricating