| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | Australia | 2 | |
| #3 | Canada | 1 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | New Zealand | 1 | |
| #6 | Poland | 1 | |
| #7 | United States | 1 | |
| #8 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Audio-visual technology | |
| #3 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Special electric heating or lighting | |
| #2 | Advertising | |
| #3 | Lighting device details | |
| #4 | Optical systems | |
| #5 | Non-portable lighting devices | |
| #6 | Special light sources |
| # | Name | Total Patents |
|---|---|---|
| #1 | Stephenson John Peter | 5 |
| #2 | Limpkin George Alan | 5 |
| #3 | Stephenson John | 3 |
| #4 | Illes Robert Timothy | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB0210103D0 | Distributor for lighting apparatus | |
| GB0030301D0 | Lighting apparatus | |
| GB0030300D0 | Lighting apparatus | |
| GB9928833D0 | Lighting apparatus and illuminated signs | |
| CA2299459A1 | Variable high frequency lamp controllers and systems |