Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5177776 | One dimensional X-ray image sensor with a correction filter and X-ray inspecting apparatus using the same | Tetsuro Ohtsuchi, Hiroshi Tsutsui, Sueki Baba | 1993-01-05 |
| 4808811 | Light integrating circuit for use in a light measuring device which is accurate for both low and high light values | Tosiyuki Kumakura, Hiroyuki Kataoka | 1989-02-28 |
| 4705373 | Charge completion confirming device for flash light devices | — | 1987-11-10 |
| 4643551 | Multiple light emission flash unit | — | 1987-02-17 |
| 4542974 | Flash photography apparatus | Ryoichi Yoshikawa, Isao Watanabe | 1985-09-24 |
| 4430602 | Electronic flash device | — | 1984-02-07 |