Average Co-Inventor Count = 4.07
ph-index = 3
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. Headwaters Research and Development, Inc. (3 from 33 patents)
2. Headwaters Research De Development, Inc. (1 from 1 patent)
4 patents:
1. D411125 - Digital sound relaxation system
2. D408312 - Portable digital sound relaxation system
3. D402212 - RF thermometer receiver
4. D402213 - RF thermometer transmitter