Average Co-Inventor Count = 1.67
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 33,436 patents)
2 patents:
1. 11050895 - Image reading apparatus with a nipping position above the document guide
2. 10659642 - Medium feeding device and image reading apparatus