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. Kuraray Co., Ltd. (1 from 1,866 patents)
2. Yamanaka Industry Co., Ltd. (1 from 5 patents)
1 patent:
1. 5496573 - Coffee filter material and coffee filter bag