NHA A/S
2Patents
0Active
2Granted
24Portfolio score
Filing activity: Dec 13, 1991 → May 26, 1992
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5276739A | Programmable hybrid hearing aid with digital signal processing | Electricity | 124 | Expired |
| US5243662A | Electrodynamic sound generator for hearing aids | Electricity | 10 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.