Average Co-Inventor Count = 2.32
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 (6 from 164,219 patents)
6 patents:
1. D326871 - Card holder
2. D315924 - Portable file
3. D311176 - Power unit cover for three portable hardfiles or the like
4. D304329 - Power unit cover for a portable hardfile storage device
5. D303379 - Display monitor
6. D294355 - Computer housing or the like