| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | Canada | 3 | |
| #4 | WIPO (World Intellectual Property Organization) | 3 | |
| #5 | Finland | 1 | |
| #6 | Republic of Korea | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Environmental technology | |
| #3 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lesea Ronald A | 8 |
| #2 | Notohamiprodjo Hubertus | 8 |
| #3 | Shannon John R | 5 |
| #4 | Dixon Jeffrey Michael | 4 |
| #5 | Kukiatsakulchai Kata | 4 |
| Publication | Filing date | Title |
|---|---|---|
| WO9930539A2 | Method and apparatus for power factor correction | |
| US5703442A | Method and apparatus for interfacing a light dimming control with an automated control system | |
| US5828182A | Apparatus for supplying power from a ballast circuit to an auxiliary load | |
| US5757630A | Control circuit with improved functionality for non-linear and negative resistance loads | |
| US5477112A | Ballasting network with integral trap |