Average Co-Inventor Count = 5.68
ph-index = 5
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. (7 from 233 patents)
7 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
5. D549130 - Plush advent tree
6. 7211305 - Holiday countdown interactive display
7. D528037 - Plush advent tree