Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4748526 | Head cleaning cassette for magnetic tape cassette apparatus | Hiroshi Ohkubo | 1988-05-31 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4748526 | Head cleaning cassette for magnetic tape cassette apparatus | Hiroshi Ohkubo | 1988-05-31 |