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. Asahi Glass Company, Limited (2 from 2,560 patents)
2. Kokusai Electric Co., Ltd. (1 from 153 patents)
2 patents:
1. 4673558 - Method for treating a waste gas
2. 4581101 - Dry-etching process