Average Co-Inventor Count = 3.00
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. Halliburton Energy Services, Inc. (3 from 11,766 patents)
3 patents:
1. 6594199 - Hydrophone for use in a downhole tool
2. 6438070 - Hydrophone for use in a downhole tool
3. 6310426 - High resolution focused ultrasonic transducer, for LWD method of making and using same