Average Co-Inventor Count = 2.67
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 (2 from 33,490 patents)
2 patents:
1. 7922319 - Fixing device of shield plate, recording apparatus and liquid ejecting apparatus
2. D525292 - Printer