Average Co-Inventor Count = 7.00
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. Industrial Technology Research Institute (1 from 9,157 patents)
1 patent:
1. 6621778 - Automatic calibration of the output power of a pickup head for an optical information recording apparatus