Average Co-Inventor Count = 3.00
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. Denso Corporation (1 from 19,788 patents)
2. Hitachi Powdered Metals Co., Ltd. (1 from 149 patents)
1 patent:
1. 7541906 - Sintered plunger and production method therefor