OTARION INC has a total of 12 patent applications. Its first patent ever was published in 1940. It filed its patents most often in United States. Its main competitors in its focus markets audio-visual technology, optics and basic communication technologies are DYNA MAGNETIC DEVICES INC, D & B AUDIOTECHNIK AG and INDUSTRIAL RESEARCH PROD INC.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 12 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology | |
#2 | Optics | |
#3 | Basic communication technologies | |
#4 | Electrical machinery and energy | |
#5 | Machines |
# | Technology | |
---|---|---|
#1 | Loudspeakers and microphones | |
#2 | Spectacles | |
#3 | Amplification control | |
#4 | Resistors | |
#5 | Unspecified technologies |
# | Name | Total Patents |
---|---|---|
#1 | Schauer Walter E | 5 |
#2 | Rosemond Leland E | 2 |
#3 | Kaare Hellekjaer | 1 |
#4 | Medlin Lewis E | 1 |
#5 | Webster Stanley K | 1 |
#6 | Modine Hugo G | 1 |
#7 | Hillmeyer Albert C | 1 |
#8 | Calhoun J M | 1 |
#9 | Hull Denison B | 1 |
#10 | William Greenbaum | 1 |
Publication | Filing date | Title |
---|---|---|
US3104290A | Multiphase eyeglass-hearing aid unit | |
US3119903A | Combination eyeglass frame and hearing aid unit | |
US3059066A | Eyeglass and self-contained hearing aid unit | |
US2630498A | Audio-frequency output control circuit | |
US2640099A | Hearing aid test structure | |
US2486534A | Receiver cap for hearing aids | |
US2290816A | Circuit connecting means for earpieces of hearing aids | |
US2284451A | Battery pack for electrical hearing aids | |
US2280304A | Clip structure | |
US2296454A | Circuit connector structure | |
US2280305A | Volume control for hearing aids | |
US2284063A | Receiver |