Average Co-Inventor Count = 3.33
ph-index = 4
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. Oiles Corporation (3 from 268 patents)
2. Nissan Motor Company Limited (1 from 13,398 patents)
3. Oiles Industry Co., Ltd. (1 from 27 patents)
4 patents:
1. 5037058 - Damper unit for automotive power unit or the like
2. 4923312 - Thrust bearing made of synthetic resin
3. 4907289 - Thrust bearing made of synthetic resin
4. 4854745 - Thrust bearing made of synthetic resin