| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | Switzerland | 4 | |
| #3 | Spain | 4 | |
| #4 | Germany | 2 | |
| #5 | United Kingdom | 2 |
| # | Industry | |
|---|---|---|
| #1 | Audio-visual technology | |
| #2 | Semiconductors |
| # | Technology | |
|---|---|---|
| #1 | Special information storage | |
| #2 | Semiconductor devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Case Theodore Willard | 9 |
| #2 | Theodore Willard Case | 4 |
| Publication | Filing date | Title |
|---|---|---|
| GB133403A | Improvements in Electric Resistances. | |
| GB133404A | Light Reactive Electric Resistance Elements. | |
| CA202164A | Radiant energy signalling system | |
| CA197014A | Photo-phone | |
| CA200489A | Light-reactive resistance | |
| CA220322A | Process of producing photo-electric cells | |
| CA200488A | Variable resistance |