Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8085341 | Digital camera including remaining battery voltage check | — | 2011-12-27 |
| 6826364 | Zoom flash and flash photography system | Masahiro Kawasaki, Osamu Sato, Shigeru Iwamoto, Tadahisa Ohkura | 2004-11-30 |
| 6718135 | Flash photography system | Masahiro Kawasaki, Osamu Sato, Shigeru Iwamoto, Tadahisa Ohkura | 2004-04-06 |
| 6571061 | Uniform flash-emission controller | Masahiro Kawasaki, Osamu Sato, Shigeru Iwamoto, Tadahisa Ohkura | 2003-05-27 |
| 6512890 | Multi-flash photography system | Masahiro Kawasaki, Osamu Sato, Shigeru Iwamoto, Tadahisa Ohkura | 2003-01-28 |
| 6498901 | Flash photography system | Masahiro Kawasaki, Osamu Sato, Shigeru Iwamoto, Tadahisa Ohkura | 2002-12-24 |