Average Co-Inventor Count = 2.96
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. First Act Inc. (11 from 71 patents)
11 patents:
1. 7608769 - Packaged drum set
2. 7290653 - Packaged musical instrument
3. D526342 - Recorder
4. D516116 - Drum hardware
5. D506131 - Drum box
6. D499020 - Drum box
7. D494060 - Drum box
8. D487627 - Guitar case
9. 6653540 - Mechanism for supporting musical instruments
10. D475081 - Headstock
11. D473259 - Tambourine stick