| Patent No. | Patent Title: |
| 7286678 | Hearing device with peripheral identification units |
| 7260234 | Space-saving antenna arrangement for hearing aid device |
| 7254248 | One-magnet rectangular transducer |
| 7248713 | Integrated automatic telephone switch |
| 7242786 | Vibrator damping |
| 7231056 | Ear-hook earphone with microphone |
| 7221769 | Hearing aid adapted for discrete operation |
| 7218744 | Piezo-electric speaker |
| 7203309 | Mobile telephone |
| 7167573 | Full range loudspeaker |
| 7162051 | Headphone |
| 7027608 | Behind the ear hearing aid system |
| 6978032 | Piezoelectric speaker |
| 6961440 | Electro-acoustic system |
| 6940989 | Direct tympanic drive via a floating filament assembly |
| 6904157 | Structure around a speaker unit and applied electric or electroni... |
| 6901150 | Permanent magnet actuator with electric excitation coil, especial... |
| 6888948 | Portable system programming hearing aids |
| 6847725 | Radio, infrared, and audio assistive listening device |
| 6839444 | Loudspeakers |
| 6831987 | Directional microphone assembly |
| 6829366 | Magnetic circuit and loudspeaker using the same |
| 6804365 | Speaker and speaker system |
| 6801635 | Speaker device |
| 6788796 | Differential microphone |
| 6778675 | Speaker device |
| 6771785 | Ultrasonic transducer for parametric array |
| 6771790 | Ear set for a cellular phone |
| 6768806 | Shorting rings in dual-coil dual-gap loudspeaker drivers |
| 6766031 | In-the-ear hearing aid with reduced occlusion effect and a method... |
| 6760455 | Electrostatic loudspeaker with a distributed filter |
| 6760457 | Automatic telephone switch for hearing aid |
| 6760461 | Vehicle loudspeaker |
| 6757399 | Anti-noise-electret pick-up with an electret |
| 6744904 | Multifunction acoustic device |
| 6741719 | Head phone |
| 6738484 | Pressure responsive device and method of manufacturing semiconduc... |
| 6738483 | Overhead loudspeaker systems |
| 6738488 | Protection and solvent washing of in-canal hearing aids |
| 6735322 | Speaker |