| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | WIPO (World Intellectual Property Organization) | 5 | |
| #3 | China | 3 | |
| #4 | EPO (European Patent Office) | 3 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Basic communication technologies |
| # | Technology | |
|---|---|---|
| #1 | Loudspeakers and microphones | |
| #2 | Amplifiers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Billson Duncan | 12 |
| #2 | Atkins Brian | 12 |
| #3 | Hoare David | 8 |
| #4 | Walsh Kevin | 4 |
| #5 | Billson Duncan Robert | 3 |
| #6 | Medley Andrew Peter | 2 |
| #7 | Hutchins David Arthur | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB201402363D0 | Improved electrostatic transducer | |
| GB201402362D0 | Improved electrostatic transducer | |
| GB201108371D0 | A switching amplifier arrangement providing both signal drive and a high bias voltage for an electrostatic loudspeaker | |
| GB201108373D0 | Electrostatic acoustic transducer | |
| GB0600014D0 | Electrostatic loudspeakers |