Average Co-Inventor Count = 3.46
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. Seiko Epson Corporation (3 from 33,404 patents)
3 patents:
1. 11789346 - Light source device and projector
2. 11217218 - Sound absorber and projector
3. 10845685 - Light source device and projector