Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6058271 | Illumination device | — | 2000-05-02 |
| 6022117 | Illuminating device for projecting light | Tokuichi Tsunekawa | 2000-02-08 |
| 5926658 | Illumination device and photographing apparatus | — | 1999-07-20 |
| 5563670 | Optical apparatus having a function to adjust the diopter | — | 1996-10-08 |
| 4616294 | Electronic flash device | — | 1986-10-07 |