Average Co-Inventor Count = 4.10
ph-index = 4
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. Johnson Worldwide Associates, Inc. (2 from 34 patents)
2. Panduit Corporation (1 from 1,182 patents)
3. Brk Brands, Inc. (1 from 57 patents)
4 patents:
1. D389859 - Hand-held printer
2. 5659904 - Tub grab bar
3. 5575277 - Equaliztion system for a diving mask
4. 5572989 - Pressure equalizing mechanism for a diving mask