Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6704500 | Control of light emission from flash lamp externally attached to digital camera | — | 2004-03-09 |
| 6518714 | Flash lamps for underwater photography | Akihide Inoue | 2003-02-11 |
| 6512887 | Flash lamps for underwater photography provided with target light and control methods and devices therefor | Akihide Inoue | 2003-01-28 |
| 6154610 | Housing and control unit for underwater camera | Akihide Inoue | 2000-11-28 |
| 6061522 | Flash lamp usable both as a main and as a slave and connector therefor to an underwater camera | Akihide Inoue | 2000-05-09 |
| 4509844 | Photometric circuit in a photographic flash device | — | 1985-04-09 |
| 4510419 | Grip-type photographic flash discharge device | — | 1985-04-09 |
| 4486690 | Test flash device for flash discharger | — | 1984-12-04 |
| 4469989 | Electric flash apparatus | — | 1984-09-04 |
| D273013 | Electric flash unit | — | 1984-03-13 |
| 4415247 | Electric flash apparatus | — | 1983-11-15 |
| 4404497 | Power supplying apparatus | — | 1983-09-13 |
| 4394079 | Photographic flash device operatively responsive to the luminance of an object to be photographed to prevent overexposure | — | 1983-07-19 |
| 4387976 | Light quantity indicating circuit for an electronic flash device | — | 1983-06-14 |
| 4385347 | Power supply | — | 1983-05-24 |
| 4382211 | Electric flash device | — | 1983-05-03 |
| 4379983 | Electric flash device | — | 1983-04-12 |
| 4356533 | Electric flash device | — | 1982-10-26 |
| 4354141 | Electric flash device for camera | — | 1982-10-12 |
| 4337416 | Electric flash apparatus | — | 1982-06-29 |
| D263720 | Electric flash device for camera | — | 1982-04-06 |
| 4242616 | Photographic flash apparatus | — | 1980-12-30 |
| 4223372 | Electric flash device | — | 1980-09-16 |