Average Co-Inventor Count = 2.18
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. Kao Corporation (4 from 3,601 patents)
4 patents:
1. 6320067 - Process for producing nitrile
2. 5912362 - Process for preparing isochroman compounds
3. 5514830 - Process for producing nitrile
4. 5457222 - Process for producing nitrile