Average Co-Inventor Count = 3.00
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. Kuraray Co., Ltd. (1 from 1,866 patents)
2. Jgc Corporation (1 from 161 patents)
3. Kyowa Gas Chemical Industry Company, Ltd. (1 from 18 patents)
1 patent:
1. 4990319 - Process for producing ammonia and sulfur dioxide