Average Co-Inventor Count = 3.77
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)
4 patents:
1. 6999595 - Slide-on speaker assembly
2. 6859358 - Sub-notebook portable computer with integrated wireless mobile telephone
3. 6793421 - Folding keyboard
4. D449601 - Internet appliance having a flat panel display