Average Co-Inventor Count = 6.00
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. Hewlett-Packard Company (1 from 9,639 patents)
2. Hewlett-Packard Corporation (1 from 156 patents)
2 patents:
1. 5505339 - Pressure-sensitive accumulator for ink-jet pens
2. 5409134 - Pressure-sensitive accumulator for ink-jet pens