Average Co-Inventor Count = 3.20
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. (4 from 301 patents)
4 patents:
1. 9795557 - Cosmetic composition
2. 9622961 - Water-soluble polyalkylene oxide-modified product
3. 9605107 - Modified polyalkylene oxide
4. 9574154 - Sheet whose lubricity is maintained under wet conditions