Average Co-Inventor Count = 3.44
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. (5 from 191 patents)
5 patents:
1. 6804023 - Information communication system
2. D443887 - Copying machine
3. D443635 - Copying machine
4. 6104396 - Information processing system
5. 6067173 - Facsimile apparatus