UNITRON IND LTD has a total of 25 patent applications. Its first patent ever was published in 1976. It filed its patents most often in Canada, United States and Germany. Its main competitors in its focus markets audio-visual technology, machines and electrical machinery and energy are TGI TECH PTE LTD, CELESTION INT LTD and SHINSEI CORP.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 9 | |
#2 | United States | 8 | |
#3 | Germany | 3 | |
#4 | EPO (European Patent Office) | 3 | |
#5 | France | 1 | |
#6 | WIPO (World Intellectual Property Organization) | 1 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology | |
#2 | Machines | |
#3 | Electrical machinery and energy | |
#4 | Computer technology |
# | Technology | |
---|---|---|
#1 | Loudspeakers and microphones | |
#2 | Electric switches | |
#3 | Casings and printed circuits | |
#4 | Certain plastics | |
#5 | Shaping of plastics | |
#6 | Speech analysis | |
#7 | Unspecified technologies | |
#8 | Stereophonic systems |
# | Name | Total Patents |
---|---|---|
#1 | Arndt Horst | 14 |
#2 | Kroetsch Edward S | 7 |
#3 | Stork Fred J | 6 |
#4 | Murray Daniel | 2 |
#5 | Watters Velma | 2 |
#6 | Stork Michael | 2 |
#7 | Ceccarelli Maurice | 2 |
#8 | Darkes Paul | 2 |
#9 | Cole William A | 2 |
#10 | Luo Henry | 2 |
Publication | Filing date | Title |
---|---|---|
CA2341834A1 | Apparatus and method for adaptive signal characterization and noise reduction in hearing aids and other audio devices | |
CA2255810A1 | Apparatus for and method of testing electronic devices for electromagnetic interference | |
US5357576A | In the canal hearing aid with protruding shell portion | |
CA2079612A1 | Portable programmer for hearing aids | |
CA2052423A1 | Hearing aid wax guard with integral bridge | |
CA2015400A1 | Method for making hearing aid vent passage | |
CA2014960C | Modular hearing aid | |
US5201008A | Modular hearing aid with lid hinged to faceplate | |
CA1274184A | Modular hearing aid with lid hinged to faceplate | |
CA1221315A | Hearing aid wax guard | |
US4539439A | Plugs, receptacles and hearing aids | |
US4051330A | Hearing aid having adjustable directivity |