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 (1 from 164,275 patents)
2. Quantum Corporation (1 from 840 patents)
2 patents:
1. 5754372 - Actuator bearing cartridge for top down assembly
2. 4221376 - Document cartridge and mounting apparatus