Average Co-Inventor Count = 1.00
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. Other (1 from 832,718 patents)
2. Producers Color Service, Inc. (1 from 7 patents)
2 patents:
1. 5353931 - Package for recorded video device
2. 5293994 - Video cassette package