Average Co-Inventor Count = 1.48
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 (2 from 164,197 patents)
2. Other (1 from 832,843 patents)
4 patents:
1. D528028 - Air pressure gauge mountable onto a valve stem while inflating/deflating a tire
2. 5020789 - Drive up teller machine
3. 4388010 - Font module for matrix printer
4. 4009646 - Method of and apparatus for rapidly lining containers