Average Co-Inventor Count = 2.86
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. Sekisui Kaseihin Kogyo Kabushiki Kaisha (2 from 86 patents)
2 patents:
1. 4771105 - Water-absorbent resin and process for producing the same
2. 4626183 - Apparatus for producing thermoplastic resin foam