Average Co-Inventor Count = 3.00
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 33,511 patents)
2 patents:
1. 8448942 - Recording medium stacker and recording apparatus with stored second stack member
2. 8348263 - Recording medium stacker and recording apparatus