Average Co-Inventor Count = 2.57
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. Harmonic Drive Systems Inc. (3 from 322 patents)
3 patents:
1. 8191439 - Wave-gear-type linear-actuation mechanism
2. D522548 - Component of an harmonic drive actuator
3. D522029 - Component of a flat harmonic drive actuator