Average Co-Inventor Count = 4.00
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. Daicel Corporation (2 from 640 patents)
2. Fuji Sanitary Industries Co., Ltd. (1 from 1 patent)
2 patents:
1. 4289130 - Absorbent material for sanitary products
2. 4102783 - Adsorbent process for oily materials