Average Co-Inventor Count = 2.61
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. D463483 - Paper feed cassette
2. D454153 - Exclusive base of copying machine
3. D443887 - Copying machine
4. D443635 - Copying machine
5. D422626 - Toner cartridge with printing device