| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | WIPO (World Intellectual Property Organization) | 3 | |
| #3 | China | 2 | |
| #4 | EPO (European Patent Office) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Medical technology | |
| #3 | Computer technology | |
| #4 | Control | |
| #5 | Electrical machinery and energy | |
| #6 | Basic communication technologies |
| # | Technology | |
|---|---|---|
| #1 | Loudspeakers and microphones | |
| #2 | Diagnosis and surgery | |
| #3 | Alarm systems | |
| #4 | Electric digital data processing | |
| #5 | Dynamo-electric machines | |
| #6 | Amplifiers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Boyd Geoffrey | 6 |
| #2 | Boyd Geoffrey A | 5 |
| #3 | Boyd Geoffrey Arthur | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US2018270569A1 | System and method for a loudspeaker with a diaphragm | |
| US2018279987A1 | Vibro-acoustic transducer | |
| US2018279968A1 | Haptic feedback and interface systems for reproducing internal body sounds | |
| US2018014126A1 | System and method for a loudspeaker with a diaphragm | |
| US9538292B1 | Speaker with voice coil and field coil | |
| US10097070B1 | DC induction motor with stator coil driven by a unidirectional field current |