Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496646 | Magnetic recording method and apparatus for digital signals, magnetic reproducing method and apparatus for digital signals and tape-shaped recording medium | — | 2002-12-17 |
| 4449677 | Tape cassette | Atsuhiro Kumagai | 1984-05-22 |
| 4206981 | Telecine projector | Yoshio Ozaki | 1980-06-10 |