Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6827454 | Imaging prevention method and system | Katsumi Kimura, Norifumi Zushi, Yuko Kudo | 2004-12-07 |
| 6793353 | Imaging prevention method and system | Katsumi Kimura, Norifumi Zushi, Yuko Kudo | 2004-09-21 |
| 6773119 | Imaging prevention method and system | Katsumi Kimura, Norifumi Zushi, Yuko Kudo | 2004-08-10 |
| 6742901 | Imaging prevention method and system | Katsumi Kimura, Norifumi Zushi, Yuko Kudo | 2004-06-01 |