Average Co-Inventor Count = 5.00
ph-index = 2
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 Home Appliance Corporation of America (2 from 8 patents)
2 patents:
1. D406928 - Upright extractor
2. D405569 - Upright appliance handle