Average Co-Inventor Count = 3.11
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. Hewlett-packard Company (1 from 9,638 patents)
2. Hewlett-packard Corporation (1 from 156 patents)
2 patents:
1. D372534 - Defibrillator
2. D359561 - Cardiograph