Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6826364 | Zoom flash and flash photography system | Masahiro Kawasaki, Osamu Sato, Tadahisa Ohkura, Kazuhito Taneoka | 2004-11-30 |
| 6718135 | Flash photography system | Masahiro Kawasaki, Osamu Sato, Tadahisa Ohkura, Kazuhito Taneoka | 2004-04-06 |