Average Co-Inventor Count = 1.33
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. Cycolor System Inc. (2 from 2 patents)
2 patents:
1. 6115110 - Pressure-developing device and recording device
2. 6037964 - Exposure head and printer