Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33294 | Casing for magnetic tape cassette | Tatsuo Fujii | 1990-08-14 |
| 4555021 | Casing for magnetic tape cassette | Tatsuo Fujii | 1985-11-26 |
| 4545483 | Casing for a magnetic tape cassette | Haruo Shiba | 1985-10-08 |