Average Co-Inventor Count = 4.35
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. California R&d Center, Inc. (4 from 33 patents)
2. Universal International Holdings (USA) (1 from 1 patent)
5 patents:
1. D292602 - Folding toy play scene
2. D290479 - Toy assault vehicle
3. D287256 - Toy helicopter
4. 4534745 - Percussion cap firing toy vehicle and track assembly
5. 4527688 - Toy storage case