Average Co-Inventor Count = 3.87
ph-index = 1
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. D'addario & Company, Inc. (4 from 43 patents)
4 patents:
1. 11854514 - Drumhead with reduced volume
2. 11189255 - Film formed snare and reduced volume snare drumhead
3. 10861425 - Rapid connect snare assembly
4. 10360880 - Percussive instrument mallet