| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 2 | |
| #2 | Austria | 1 | |
| #3 | Australia | 1 | |
| #4 | Germany | 1 | |
| #5 | Denmark | 1 | |
| #6 | France | 1 | |
| #7 | Italy | 1 | |
| #8 | Netherlands | 1 | |
| #9 | Norway | 1 | |
| #10 | Sweden | 1 | |
| #11 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Weapons | |
| #2 | Measurement |
| # | Technology | |
|---|---|---|
| #1 | Targets | |
| #2 | Weapon sights | |
| #3 | Special measuring | |
| #4 | Measuring length, angles and areas |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kikuchi Takayuki | 5 |
| #2 | Yamada Fumiharu | 3 |
| #3 | Koyama Fumio | 3 |
| #4 | Kikuchi T | 3 |
| #5 | Nakamura Satoshi | 3 |
| #6 | Koyama F | 3 |
| #7 | Nakamura S | 3 |
| #8 | Yamada F | 3 |
| #9 | Takanashi Iwao | 2 |
| #10 | Kawai Yukihiro | 2 |
| Publication | Filing date | Title |
|---|---|---|
| IT1067091B | Impulsed light beam target device - using oppositely grouped phototransistors for intersection position simulating | |
| ZA7604489B | Target arrangement for light pulse beam | |
| US4083560A | Target arrangement for a light pulse beam comprising crosswise arranged and grouped phototransistors | |
| DE2451690A1 | Light beam target with photoelectric transducers - has transducer strips for indicating centre of light beam in coordinate system | |
| US3956627A | Light beam target and apparatus using the same |