Average Co-Inventor Count = 4.00
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. Harbin Institute of Technology (1 from 172 patents)
2. Hengtong Optic-electric Co., Ltd. (1 patent)
1 patent:
1. 11539309 - Zero-voltage zero-current soft switching type driving method for ultrasonic driving unit