Average Co-Inventor Count = 3.43
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. Agency of Industrial Science and Technology (1 from 1,037 patents)
2. Itaru Todoriki, Director of Agency of Industrial Science and Technology (1 from 1 patent)
2 patents:
1. 4766229 - Materials for gas separation
2. 4662905 - Selective gas separator