| # | Country | Total Patents | |
|---|---|---|---|
| #1 | EPO (European Patent Office) | 4 | |
| #2 | Ireland | 4 | |
| #3 | United States | 3 | |
| #4 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Audio-visual technology | |
| #3 | Control |
| # | Technology | |
|---|---|---|
| #1 | Electric motor controls | |
| #2 | Special information storage | |
| #3 | Control or regulating systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stewart Alec D | 3 |
| #2 | Ruxton David Scott | 3 |
| #3 | White James N J | 3 |
| #4 | Ruxton David S | 3 |
| #5 | Stewart Alec Donald | 2 |
| #6 | White James Norman Jackson | 2 |
| #7 | Stewart Alex Donald | 1 |
| #8 | White James Normal Jackson | 1 |
| #9 | Caithness Michael Gordon | 1 |
| #10 | Caithness Michael G | 1 |
| Publication | Filing date | Title |
|---|---|---|
| IE821462L | Method of,and apparatus for,damping of stepper motor using non-active windings | |
| IE821463L | A method of and apparatus for,generating a unique index mark from the commutation signal of alpha d.c.brushless motor | |
| US4538192A | Ventilation system for computer disc drive hub assembly | |
| EP0064391A1 | Method and apparatus for controlling a stepper motor | |
| IE813029L | Thermal compensation mechanism for a transducer system | |
| EP0055568A1 | Read-write head thermal compensation system |