Average Co-Inventor Count = 2.93
ph-index = 8
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. Mattel, Inc. (11 from 1,702 patents)
11 patents:
1. 5364299 - Surface skimming toy
2. 5167563 - Toy vehicle having changeable appearance
3. 4844475 - Electronic interactive game apparatus in which an electronic station
4. 4772241 - Toy top with impeller-driven flywheel
5. 4564197 - Portable toy racing set
6. 4551127 - Toy structural member roller
7. 4521206 - Track for toy vehicles
8. 4509931 - Powered toy vehicle with pivotable axle mounting
9. 4329808 - Paper-airplane-making and launching device
10. 4299548 - Toy casting machine
11. 4139965 - Device using coated paper and chemical reactive marker