Average Co-Inventor Count = 6.87
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 33,464 patents)
2 patents:
1. 7725380 - Commodity sales system, used article quotation system, and corresponding methods
2. 7024262 - Process management systems and methods of the same