Average Co-Inventor Count = 3.23
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. Marvin Glass & Associates (7 from 422 patents)
7 patents:
1. 4717365 - Transformable toy vehicle and sword combination
2. 4468029 - Portable pneumatic action game
3. 4274629 - Combative game apparatus
4. 4248009 - Toy motor vehicle
5. 4244573 - Competitive game apparatus
6. 4210331 - Rotatable target game
7. 4174835 - Competitive game