Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498901 | Flash photography system | Osamu Sato, Shigeru Iwamoto, Tadahisa Ohkura, Kazuhito Taneoka | 2002-12-24 |
| 6366737 | External flash control system | Norio Numako | 2002-04-02 |
| 6353711 | External flash control system | Norio Numako | 2002-03-05 |
| 6351610 | External flash control system | Norio Numako | 2002-02-26 |