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. Seiko Epson Corporation (1 from 33,418 patents)
1 patent:
1. 6630968 - Display device, electronic apparatus using the same, and light guider for display devices