Average Co-Inventor Count = 3.93
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 164,108 patents)
4 patents:
1. D493470 - Cartridge for information storage media
2. 6101057 - Method and system for providing a hard stop for a robot in an automated
3. 6082844 - Angled drive mounting structure for data storage library
4. 5612831 - Removeable media drive unit with loader interlock to indicate presence