Average Co-Inventor Count = 2.67
ph-index = 1
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. Conoco Inc. (2 from 860 patents)
2 patents:
1. 5062061 - Automatic direction control for omni-directional shear wave sources
2. 4922472 - Apparatus for inducing elliptically polarized shear waves in an earth