Average Co-Inventor Count = 5.00
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. Mitsubishi Yuka Fine Chemicals Co., Ltd. (2 from 14 patents)
2 patents:
1. 4694102 - Calcium carboxylate phenol derivative
2. 4633008 - Anti-oxidant phenol derivatives