Average Co-Inventor Count = 2.29
ph-index = 2
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 (4 from 33,404 patents)
4 patents:
1. D801412 - Projector
2. 9703181 - Projector
3. D663346 - Projector
4. D661721 - Projector