Average Co-Inventor Count = 1.50
ph-index = 3
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. Technical Materials Inc. (3 from 7 patents)
3 patents:
1. 4312691 - System for preparing identification cards
2. 4290468 - Portable collapsible container
3. D257596 - Work apron or the like