Average Co-Inventor Count = 1.58
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. Other (2 from 832,761 patents)
2. Hasbro Development Corporation (2 from 12 patents)
7 patents:
1. D295426 - Bathtub toy
2. D278163 - Toy take-apart engine
3. 4450650 - Action play toy
4. D254381 - Toy boat
5. 4062144 - Flexible doll having arm members pivotable to plural stable positions
6. 4018002 - Toy simulating a walking animal
7. 3955429 - Inertia motor vehicle