Average Co-Inventor Count = 1.76
ph-index = 4
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)
2. Microtek Storage Corporation (1 from 3 patents)
5 patents:
1. 4477851 - Magnetic data storage and drive apparatus
2. 4186977 - Self-locking depository container
3. 4150757 - Plural document stacking and subsequent selective stack transporting
4. 4106667 - Apparatus and method for conducting financial transactions
5. 4008491 - Fixed head, direct access storage device