Average Co-Inventor Count = 5.52
ph-index = 3
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. (3 from 9 patents)
2. Japan Atomic Energy Research Institute (1 from 321 patents)
3. Nippon Oil Corporation (1 from 188 patents)
4 patents:
1. 7256163 - Grease composition
2. 6608009 - Phosphazene compounds and lubricants containing the same
3. 6541431 - Lubricant for magnetic recording medium
4. 4753741 - Super highly radiation-resistant grease