Average Co-Inventor Count = 4.44
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. Input/output, Inc. (2 from 87 patents)
2. Ion Geophysical Corporation (99 patents)
2 patents:
1. 6617098 - Merged-mask micro-machining process
2. 6315423 - Micro machined mirror