Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358070 | Magnetic tape cassette | Kimio Tanaka | 1982-11-09 |
| 4358071 | Cassette case | — | 1982-11-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4358070 | Magnetic tape cassette | Kimio Tanaka | 1982-11-09 |
| 4358071 | Cassette case | — | 1982-11-09 |