Average Co-Inventor Count = 4.00
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. Matsumura Oil Research Corp. (2 from 9 patents)
2 patents:
1. 6608009 - Phosphazene compounds and lubricants containing the same
2. 6541431 - Lubricant for magnetic recording medium