Average Co-Inventor Count = 3.00
ph-index = 2
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. Sabine Musical Manufacturing Company, Inc. (2 from 4 patents)
2 patents:
1. 5396827 - Tuner with variable tuning window
2. 5388496 - Electronic tuning device