| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 6 | |
| #2 | WIPO (World Intellectual Property Organization) | 4 | |
| #3 | United States | 3 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Australia | 1 | |
| #6 | China | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Electrical machinery and energy | |
| #3 | Computer technology | |
| #4 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Loudspeakers and microphones | |
| #2 | Magnets and transformers | |
| #3 | Speech analysis | |
| #4 | Sound-producing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kukurudza Vladimir Walter | 17 |
| Publication | Filing date | Title |
|---|---|---|
| CA2911391A1 | Sound filter attachment | |
| CA2822822A1 | Stereo headset with noise suppression | |
| US2014301560A1 | Ear canal earbud sound system | |
| CA2717411A1 | Ear canal earbud sound system | |
| CA2655586A1 | Compact noise suppression circuit for small speakers | |
| WO9837732A1 | Single loudspeaker drive system and method | |
| CA2195133A1 | Single loud speaker drive system | |
| WO9525413A1 | Self-damping speaker matching device and method |