Average Co-Inventor Count = 1.33
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. The Ohio Art Company (1 from 16 patents)
2. Gmi Engineering & Management Institute (1 from 10 patents)
2 patents:
1. D327498 - Drawing screen
2. D311908 - Portable computer