Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5887813 | Tape cassette having reel detent pivots formed with an axially extending groove for cooling the pivots at substantially the same rate as the cassette | Sadatoshi Umeki, Hiroshi Kaneda | 1999-03-30 |