Average Co-Inventor Count = 2.00
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 (2 from 33,404 patents)
2 patents:
1. 7076522 - Information distribution system, information distribution method, and computer program for executing the method
2. 6334687 - Stand type screen apparatus and projector using the same