| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 7 | |
| #2 | Australia | 3 | |
| #3 | EPO (European Patent Office) | 2 | |
| #4 | United States | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 |
| # | Technology | |
|---|---|---|
| #1 | Spectacles | |
| #2 | Nonlinear optics | |
| #3 | Producing goods from plastic | |
| #4 | Optical systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mcmahon Richard Anthony | 8 |
| #2 | Gross Hyman Abraham Moses | 5 |
| #3 | Haythornthwaite Arthur | 1 |
| #4 | Wilkinson Peter | 1 |
| #5 | Harold Peter Wilson | 1 |
| #6 | Wallis Miles | 1 |
| #7 | Clark Michael George | 1 |
| #8 | Artley Richard John | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB9806382D0 | Variable transmission lenses | |
| GB9620682D0 | Variable transmission lenses | |
| GB9614769D0 | Lens frame including a retaining ring | |
| GB9223741D0 | Liquid crystal device | |
| GB9211427D0 | Liquid crystal lens circuit | |
| GB9201124D0 | Liquid crystal lens circuit |