Average Co-Inventor Count = 10.00
ph-index = 1
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. Japan Atomic Energy Research Institute (1 from 321 patents)
2. Matsumura Oil Research Corp. (1 from 9 patents)
1 patent:
1. 4753741 - Super highly radiation-resistant grease