| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Germany | 2 |
| # | Industry | |
|---|---|---|
| #1 | Optics |
| # | Technology | |
|---|---|---|
| #1 | Cameras |
| # | Name | Total Patents |
|---|---|---|
| #1 | Tatsuo Kobayashi | 3 |
| #2 | Kobayashi Tatsuo | 2 |
| #3 | Kaichi Ikeda | 2 |
| #4 | Saichiro Ohashi | 2 |
| #5 | Isamu Kubota | 2 |
| #6 | Takesi Ataka | 1 |
| #7 | Yoshio Nitta | 1 |
| #8 | Yoshizo Tashima | 1 |
| #9 | Takeshi Ataka | 1 |
| #10 | Eiichi Furukawa | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3188934A | Camera diaphragm mechanism | |
| US3111888A | Monocular reflex camera | |
| US3111891A | Automatic shutter for camera | |
| US3051065A | Lens shutter for camera | |
| US3084608A | Lens shutter for camera | |
| US3040639A | Camera apparatus | |
| US2959113A | Apparatus for coordinating camera shutter speed, iris opening and light value | |
| US2859675A | Device for representing graduations for exposure in a binocular reflex camera | |
| US2890636A | Double-exposure prevention device for reflex cameras |