Average Co-Inventor Count = 4.00
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. Sumitomo Seika Chemicals Co., Ltd. (2 from 301 patents)
2 patents:
1. 9763869 - Hydrophilic thickener and cosmetic composition
2. 9139671 - Hydrophilic thickening agent and method of producing same