Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977474 | Magnetic tape cartridge requiring uniform force during leader block attachment and detachment | Kengo Oishi | 1990-12-11 |
| 4862305 | Optical system for magnetic tape end detection | Shingo Katagiri, Shozo Onmori | 1989-08-29 |