Average Co-Inventor Count = 6.67
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. Sony Corporation (6 from 58,132 patents)
6 patents:
1. D467630 - Toy
2. D467289 - Ear part for toy
3. D452889 - Toy
4. D452542 - Toy
5. D452541 - Toy
6. D431270 - Toy