Average Co-Inventor Count = 7.00
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 33,404 patents)
2. Inoac Corporation (1 from 109 patents)
1 patent:
1. 6989405 - Resinous filter for ink-jet recording apparatus