Average Co-Inventor Count = 3.43
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. (6 from 233 patents)
6 patents:
1. 8414351 - Method of integrating optical fibers into fabrics and plush toys
2. 8092271 - Interactive toy with positional sensor
3. 7988525 - Method of integrating optical fibers into fabrics and plush toys
4. D549130 - Plush advent tree
5. 7211305 - Holiday countdown interactive display
6. D528037 - Plush advent tree