Average Co-Inventor Count = 4.29
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 (4 from 164,108 patents)
4 patents:
1. 7897939 - Removable liners for charged particle beam systems
2. 7897940 - Removable liners for charged particle beam systems
3. 7462845 - Removable liners for charged particle beam systems
4. 7078710 - Ion beam system