| 12418282 |
Pulse signal multiplier for providing a secondary pulse signal from a primary pulse signal of a pulse signal generator |
Lars SCHWEIZER, Olaf BIESE |
2025-09-16 |
| 7542581 |
Ear insert for a hearing aid |
— |
2009-06-02 |
| 6807445 |
Totally implantable hearing system |
Hans Leysieffer |
2004-10-19 |
| 6565503 |
At least partially implantable system for rehabilitation of hearing disorder |
Hans Leysieffer, Hans-Peter Zenner |
2003-05-20 |
| 6227204 |
Device and process for charging of rechargeable batteries of implants |
Hans Leysieffer, Andreas Volz |
2001-05-08 |
| 6143440 |
Protective device for a repeatedly rechargeable electrochemical battery |
Andreas Volz, Klaus Bodganowitz, Hans Leysieffer, Dieter Muller, Gerd Muller |
2000-11-07 |
| 5999632 |
Fixation element for an implantable microphone |
Hans Leysieffer, Rolf Lehner, Gerd Muller, Gabriele Reischl |
1999-12-07 |
| 5279292 |
Charging system for implantable hearing aids and tinnitus maskers |
Hans Leysieffer, Guenter Hortmann |
1994-01-18 |
| 5277694 |
Electromechanical transducer for implantable hearing aids |
Hans Leysieffer, Guenter Hortmann |
1994-01-11 |