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. Koken Company, Limited (1 from 54 patents)
2. Katakura Chikkarin Co., Ltd. (1 from 2 patents)
1 patent:
1. 5116824 - Biomaterial comprising a composite material of a chitosan derivative and