Average Co-Inventor Count = 7.00
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. Chiyoda Chemical Engineering Construction Co., Ltd. (1 from 59 patents)
2. Chiyoda Chemical Engineering & Construction (1 from 3 patents)
2 patents:
1. 4196102 - Catalysts for demetallization treatment of _hydrocarbons supported on
2. 4152250 - Demetallation of hydrocarbons with catalysts supported on sepiolite