Average Co-Inventor Count = 8.08
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. Hitachi, Ltd. (2 from 42,488 patents)
2 patents:
1. D332258 - Combined facsimile transceiver and copying machine
2. 5162838 - Facsimile apparatus and method for processing a fixed document