Average Co-Inventor Count = 3.33
ph-index = 5
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. Drum Workshop, Inc. (7 from 98 patents)
2. Kmc Music, Inc. (4 from 10 patents)
3. D'addario & Company, Inc. (2 from 43 patents)
13 patents:
1. 11854514 - Drumhead with reduced volume
2. 11189255 - Film formed snare and reduced volume snare drumhead
3. 9966050 - Instrument Mounting Assembly
4. 9709083 - Spring enabled audio device mounting apparatus
5. 9631652 - Clip-on mounting assembly for musical instruments
6. 9570053 - Adjustable cajón instrument
7. 9466273 - Snare cajón instrument
8. 9361867 - Detachable shaker
9. 9257109 - Eyebolt bracket assembly
10. 9087497 - Adjustable cajón instrument
11. 8912417 - Mutable high-hat tambourine
12. 8716582 - Jingle shaker
13. 8558097 - Detachable shaker