Average Co-Inventor Count = 1.33
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. G. Leblanc Corporation (1 from 16 patents)
2. Kume Corporation (1 from 1 patent)
2 patents:
1. 9533336 - Repair device for dent in metal bend tube part of musical instrument
2. 4809583 - Device for adjusting reed of clarinet or the like