Average Co-Inventor Count = 2.36
ph-index = 7
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 (6 from 832,718 patents)
2. Mattel, Inc. (2 from 1,702 patents)
3. Kenner Products, Division of Tonka Corp. (2 from 2 patents)
11 patents:
1. 6155838 - Question and answer amusement device
2. 6139397 - Doll having simulated hair-cutting feature
3. 5765129 - Voice recording and playback module
4. 5522755 - Supercompressed sponge interactive toy
5. 5176561 - Toy nursing bottle for a doll
6. 5118321 - Simulated feeding apparatus
7. 4551114 - Impact-activated toy
8. D272366 - Electronic teaching aid
9. 4363181 - Electronic musical mobile
10. 4280809 - Educational toy
11. 4207696 - Sound activated mobile