Average Co-Inventor Count = 1.71
ph-index = 2
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. (4 from 1,702 patents)
4 patents:
1. 4604076 - Toy stove with simulated timer
2. 4504242 - Modular unit with toy vehicle propulsion device
3. 4087935 - Toy vehicle with housing
4. 4075955 - Machine for needlepoint or the like