Average Co-Inventor Count = 3.00
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. International Business Machines Corporation (4 from 164,197 patents)
4 patents:
1. 6449126 - Negative pressure air bearing slider
2. 6055130 - Slider with negative pressure air bearing
3. 5798889 - Negative pressure air bearing
4. 5438467 - Negative pressure air bearing design