Average Co-Inventor Count = 5.25
ph-index = 5
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 Electric Industrial Co., Ltd. (6 from 27,375 patents)
6 patents:
1. D339370 - Copying machine
2. D329455 - Document feeder for a copying machine
3. D329454 - Sorter for a copying machine
4. D328095 - Copying machine
5. D251330 - Combined calculator, clock and alarm
6. D248695 - Electronic calculator