Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HL

Hans Leysieffer

CLCochlear Limited: 18 patents #24 of 526Top 5%
PAPhonak Ag: 13 patents #8 of 208Top 4%
ISImplex Gmbh Spezialhorgerate: 7 patents #1 of 5Top 20%
IMImplex: 2 patents #4 of 14Top 30%
SASiemens Aktiengesellschaft: 2 patents #6,658 of 22,248Top 30%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Icking, DE: #1 of 27 inventorsTop 4%
Overall (All Time): #43,397 of 4,157,543Top 2%
57 Patents All Time

Issued Patents All Time

Showing 51–57 of 57 patents

Patent #TitleCo-InventorsDate
5776144 Device for positioning and fixing of therapeutic, surgical, or diagnostic instruments Rolf Lehner 1998-07-07
5755743 Implantable unit Andreas Volz 1998-05-26
5411467 Implantable hearing aid Günter Hortmann 1995-05-02
5279292 Charging system for implantable hearing aids and tinnitus maskers Joachim Baumann, Guenter Hortmann 1994-01-18
5277694 Electromechanical transducer for implantable hearing aids Guenter Hortmann, Joachim Baumann 1994-01-11
4791620 Tactile hearing aid Eberhard Zwicker 1988-12-13
4274112 Switching matrix for selectively connecting incoming signals to desired output paths Klaus Panzer 1981-06-16