Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5721971 | Wireless slave electronic photoflash device | — | 1998-02-24 |
| 5717962 | Electric flash apparatus using MOS controlled thyristor | Hiroshi Yamada | 1998-02-10 |
| 5640623 | Wireless flash photographing system in which light emission control of a slave flash apparatus, situated away from a camera, is effected by a light signal from a master flash apparatus provided on the camera side | — | 1997-06-17 |
| 5283610 | Camera system having communication function between camera main body and flash device | — | 1994-02-01 |
| 5202717 | Optical lens system-driving control apparatus for driving a plurality of lens groups in accordance with small amount of data | Mitsumasa Ookubo, Tsuyoshi Yaji, Yasushi Toizumi, Shigeru Kato | 1993-04-13 |
| 5146071 | Optical lens system-driving control apparatus for microscopically driving a plurality of lens groups | Mitsumasa Ookubo, Tsuyoshi Yaji, Yasushi Toizumi, Shigeru Kato, Tetsuo Miyasaka +3 more | 1992-09-08 |
| 5013982 | Circuit for driving ultrasonic motor | — | 1991-05-07 |