Average Co-Inventor Count = 2.77
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. Sonor Gmbh (3 from 4 patents)
3 patents:
1. 11335306 - Percussion instrument having at least one tone bar
2. 11295711 - Percussion instrument with at least two tone bars
3. 11069330 - Tone bar of a percussion instrument and associated connecting element