Average Co-Inventor Count = 1.67
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. Texas Instruments Corporation (5 from 29,256 patents)
5 patents:
1. D262890 - Case for printing calculator or the like
2. D261773 - Design for a handheld calculator
3. D261005 - Case for an electronic calculator
4. D259200 - Case for an electronic calculator
5. D256370 - Case for hand-held electronic calculator