Average Co-Inventor Count = 2.67
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 Chemical Industries, Ltd. (2 from 1,165 patents)
2 patents:
1. 5298531 - Process for the preparation of polyimide foam
2. 5273657 - Process for preparing modified porous membrane