Average Co-Inventor Count = 1.87
ph-index = 3
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 (4 from 33,464 patents)
4 patents:
1. 9272513 - Liquid ejecting apparatus and liquid ejecting method
2. D685411 - Printer
3. 8083222 - Stacking apparatus, transportation apparatus and recording apparatus
4. D440571 - Image input device