Average Co-Inventor Count = 4.21
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 (4 from 33,404 patents)
4 patents:
1. 11945238 - Liquid ejecting device
2. D815196 - Printer
3. 8837988 - Image reading apparatus
4. 8517375 - Feeding device and recording device