Average Co-Inventor Count = 6.15
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. Oiles Corporation (2 from 268 patents)
2. Ohi Seisakusho Co., Ltd. (1 from 242 patents)
2 patents:
1. 6158559 - Bearing device of piston rod
2. 5092017 - Automotive door hinge assembly, bush employed therein and method for