Average Co-Inventor Count = 2.00
ph-index = 3
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. Asahi Kasei Kogyo Kabushiki Kaisha (2 from 1,297 patents)
2. Asahi Kasei Chemicals Corporation (1 from 510 patents)
3 patents:
1. 7262256 - Polycarboxylic acid mixture
2. 6017455 - Porous membrane
3. 5997741 - Process for preparing a polyether ether ketone membrane