Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6944875 | Disc cartridge with shutter overlapping gap having labyrinth shaped portion spaced to have a recessed dust deposition portion | Mitsuyoshi Kawaguchi, Manabu Obata | 2005-09-13 |