| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | Germany | 2 | |
| #3 | United Kingdom | 2 | |
| #4 | Italy | 2 | |
| #5 | France | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Optics | |
| #3 | Audio-visual technology | |
| #4 | Basic communication technologies |
| # | Technology | |
|---|---|---|
| #1 | Electronic time-pieces | |
| #2 | Nonlinear optics | |
| #3 | Measuring electric variables | |
| #4 | Pulse technique | |
| #5 | Display controls |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fukumoto Shigeru | 6 |
| Publication | Filing date | Title |
|---|---|---|
| DE2410527A1 | ELECTRONIC TIME DISPLAY DEVICE | |
| GB1463824A | Liquid crystal display device | |
| GB1366509A | Time of day indicating apparatus |