Average Co-Inventor Count = 2.00
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. Sony Corporation (2 from 58,131 patents)
2 patents:
1. 9939572 - Camera, optical system and interchangeable lens with birefringent device
2. 9625632 - Camera, optical system and interchangeable lens with birefringent device