Average Co-Inventor Count = 1.50
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. Roland Dg Corporation (2 from 216 patents)
2 patents:
1. 8317316 - Ink jet recording apparatus
2. 8277038 - Ink jet printer