Average Co-Inventor Count = 3.43
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. International Business Machines Corporation (2 from 164,244 patents)
2 patents:
1. 6034829 - Disk drive and servo pattern write method for preventing read errors
2. 5872671 - Disk drive apparatus and read error recovery procedure therein