Average Co-Inventor Count = 3.11
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. Idemitsu Kosan Company, Limited (2 from 2,271 patents)
2 patents:
1. 5259970 - Aqueous composition containing water dispersed in a lubricating base oil
2. 5171903 - Lubricating oil composition