Average Co-Inventor Count = 5.46
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. Hallmark Cards, Inc. (4 from 233 patents)
4 patents:
1. 7611261 - Decorating with a lighted device
2. 7547111 - Ornament with image projector
3. 7380956 - Ornament with image projector
4. 7341360 - Decorating with a lighted device