Average Co-Inventor Count = 2.40
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. Roland Dg Corporation (3 from 216 patents)
3 patents:
1. 9132638 - Inkjet printer
2. 8424993 - Ink jet type recording device and computer program
3. 8393700 - Inkjet recording device with independently controllable light emitting devices