Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5786969 | Disc cartridge with wedge-shaped inclined shutter slider engaging protrusion and line contact engagement between slider portion and groove or protusion of cartridge body | Isamu Fukushima, Hiroshi Masuda | 1998-07-28 |