Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7761004 | Electronic apparatus, lighting apparatus and method of calculating electric quantity thereof | Naoto Yamada, Hideki Matsui | 2010-07-20 |
| 7606480 | Photographic illuminating device and camera | — | 2009-10-20 |
| 6654558 | Electric flash and connector | Nobuyoshi Hagiuda | 2003-11-25 |
| 6614999 | Detachable flash device for camera | Nobuyoshi Hagiuda, Hideki Matsui | 2003-09-02 |
| 6556790 | Electronic flash device | Hideki Matsui | 2003-04-29 |