Average Co-Inventor Count = 4.09
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. 5559609 - Facsimile transceiver
2. 5295002 - Image communication device
3. 5206745 - Image reading device