Average Co-Inventor Count = 1.00
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. Jms North America Corporation (2 from 6 patents)
2 patents:
1. 7516665 - Double membrane transducer protector
2. 7069788 - Double membrane transducer protector