Average Co-Inventor Count = 5.46
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. Mitsui Toatsu Chemicals, Incorporated (2 from 1,379 patents)
2 patents:
1. 5169823 - Method for stabilizing treatment of catalytic activity
2. 5093292 - Chromium oxide catalyst impregnation regeneration method