Average Co-Inventor Count = 2.40
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. Shanghai Universoon Autoparts Co., Ltd. (2 from 13 patents)
2 patents:
1. 9353654 - Fixed chain type engine braking device
2. 8764421 - Scroll type fluid machinery