| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Belgium | 3 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | Japan | 3 | |
| #4 | Republic of Korea | 2 | |
| #5 | United States | 2 | |
| #6 | Hong Kong | 1 | |
| #7 | Taiwan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Loudspeakers and microphones | |
| #2 | Sound-producing devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Michiels Hugo | 8 |
| #2 | Michiels Hugo Remi | 5 |
| #3 | De Stecker Wouter | 1 |
| #4 | Van Mele Kurt | 1 |
| #5 | De Decker Gunter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| BE1026930A1 | Improved procedure for manufacturing a piezo-electric buzzer and piezo-electric buzzer by procedure | |
| EP1749294A1 | Acoustic sound producer | |
| TW200514454A | Improved transducer | |
| BE1015150A3 | Improved transducer | |
| BE1013592A3 | Transducer. | |
| JPH10277484A | Element for replaying and/or recording sound |