Average Co-Inventor Count = 5.00
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. Mitsui Toatsu Chemicals, Incorporated (3 from 1,379 patents)
3 patents:
1. 4939306 - Preparation process of 4,4'-biphenol, precursor of same and preparation
2. 4877907 - Preparation process of 4,4'-biphenol, precursor of same and preparation
3. 4873374 - Preparation process of 4,4'-biphenol, precursor of same and preparation