Average Co-Inventor Count = 4.50
ph-index = 3
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. Matsushita Graphic Communication Systems, Inc. (3 from 191 patents)
3 patents:
1. D315898 - Page scanner
2. D315152 - Facsimile transceiver
3. D314931 - Facsimile transceiver