Average Co-Inventor Count = 4.00
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 33,511 patents)
1 patent:
1. 6367994 - Power transmission switching device, rocking lever locking device in power transmission switching device and power transmission switching device-applied recording apparatus