Issued Patents 2003
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6603928 | Photometry device | Isamu Hirai | 2003-08-05 |
| 6571058 | Photometry device | Isamu Hirai | 2003-05-27 |
| 6567617 | Photometry device with light and colorimetric sensors | Isamu Hirai | 2003-05-20 |
| 6556788 | Photometry device | Isamu Hirai | 2003-04-29 |
| 6535693 | Photometry device | Isamu Hirai | 2003-03-18 |
| 6510285 | Strobe control device | Isamu Hirai | 2003-01-21 |
| 6510284 | Photometry device for a camera including external light sensor | Isamu Hirai | 2003-01-21 |
| 6507709 | Photometry device | Isamu Hirai | 2003-01-14 |