Average Co-Inventor Count = 2.57
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. Perry Oceanographics, Inc. (2 from 9 patents)
2. Other (1 from 832,812 patents)
3 patents:
1. 5875255 - High power electroacoustic speaker system having wide band frequency
2. 4883823 - Self-contained renewable energy system
3. 4776171 - Self-contained renewable energy system