Issued Patents All Time
Showing 126–131 of 131 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5860610 | Magnetic tape tension control device | Masafumi Nishida, Osamu Yamaguchi, Souichirou Fujioka, Hiroshi Okamoto | 1999-01-19 |
| 5805551 | Method and apparatus for preventing illegal copy or illegal installation of information of optical recording medium | Mitsuaki Oshima | 1998-09-08 |
| 5761301 | Mark forming apparatus, method of forming laser mark on optical disk, reproducing apparatus, optical disk and method of producing optical disk | Mitsuaki Oshima | 1998-06-02 |
| 5604652 | Tape speed control apparatus using rotation speed ratio of first and second tape reels | Masafumi Nishida, Osamu Yamaguchi, Souichirou Fujioka, Hiroshi Okamoto | 1997-02-18 |
| 5540398 | Magnetic tape tension control device | Masafumi Nishida, Osamu Yamaguchi, Souichirou Fujioka, Hiroshi Okamoto | 1996-07-30 |
| 5299072 | Video and audio signal recording apparatus with editing-use erase heads | Tatsushi Bannai, Souichiro Fujioka | 1994-03-29 |