Average Co-Inventor Count = 4.40
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 164,219 patents)
4 patents:
1. 7658344 - Housing for information storage medium and method using same
2. D493470 - Cartridge for information storage media
3. 6764037 - Housing for information storage medium and method using same
4. 5659440 - Data cartridge magazine with interface to automatic cartridge accessing