Average Co-Inventor Count = 7.47
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. Koninklijke Philips Corporation N.v. (1 from 21,361 patents)
2. The United States Government As Represented by the Department of Veterans Affairs (1 from 889 patents)
2 patents:
1. 12440142 - Electrode configuration to record ear electroencephalogram (EEG) during sleep and wakefulness
2. D902790 - Walker