Average Co-Inventor Count = 3.82
ph-index = 7
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. Ekco Products, Inc. (4 from 18 patents)
2. Packaging Corporation of America (3 from 140 patents)
7 patents:
1. 5269430 - Individual serving food container with improved housing and closure
2. D312026 - Compartmented food tray
3. D312025 - Food tray
4. D312024 - Food tray
5. 4874083 - Serving tray and cover therefor
6. 4863058 - Food packaging cover
7. D281042 - Covered food container