HR

Hartmut Ritter

SG Siemens Audiologische Technik Gmbh: 12 patents #8 of 180Top 5%
SP Siemens Medical Instruments Pte.: 9 patents #10 of 187Top 6%
SP Sivantos Pte.: 5 patents #27 of 225Top 15%
SA Siemens Aktiengesellschaft: 1 patents #10,653 of 22,248Top 50%
Overall (All Time): #129,270 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 26–29 of 29 patents

Patent #TitleCo-InventorsDate
6628794 Method and apparatus for level limitation in a digital hearing aid Thomas Dickel, Benno Knapp 2003-09-30
6421448 Hearing aid with a directional microphone characteristic and method for producing same Georg-Erwin Arndt, Anton Gebert 2002-07-16
5794427 Process of and apparatus for making low shrinkage yarn Franco Cavedon, Martin R. Lohe 1998-08-18
5123016 Arrangement and method for identifying and localizing faulty circuits of a memory module Bruno Muller 1992-06-16