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. Other (2 from 832,880 patents)
2 patents:
1. 7476984 - Spring activated energy transducer generating A/C electricity from reciprocating natural forces
2. 7304398 - Spring activated energy transducer generating A/C electricity from natural forces-frictionless magnetic plate