Average Co-Inventor Count = 3.26
ph-index = 5
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 (2 from 268 patents)
2. Oiles Industry Co., Ltd. (2 from 27 patents)
3. Oiless Industry Co., Ltd. (1 from 1 patent)
5 patents:
1. 4969752 - Thrust bearing made of synthetic resin
2. 4923312 - Thrust bearing made of synthetic resin
3. 4907289 - Thrust bearing made of synthetic resin
4. 4854745 - Thrust bearing made of synthetic resin
5. 4699530 - Thrust ball bearing unit