Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6523413 | Acoustic inspection method for hard disks, acoustic inspection system for hard disks, and program memory medium | Takenori Hoshino, Masamitsu Miki | 2003-02-25 |
| 6224007 | Tape cassette | Nobuyuki Kaku, Seiji Ono, Mikihisa Inoue | 2001-05-01 |
| 5927632 | Tape cassette having a surface recess for positioning accuracy in loading thereof | Nobuyuki Kaku, Seiji Ono, Mikihisa Inoue | 1999-07-27 |
| 5798899 | Tape cartridge with an upper case wall cover plate | Kazuaki Urano, Hiroshi Ohkubo, Takashi Miyamoto | 1998-08-25 |
| 5706146 | Cassette detecting and discriminating arrangement in a cassette transport mechanism for loading and unloading tape cassettes of varying sizes and cassettes for use therewith | Seiji Ono, Nobuyuki Kaku, Noriaki Masuda, Mikihisa Inoue | 1998-01-06 |
| 5702062 | Tape cassette | Nobuyuki Kaku, Seiji Ono, Mikihisa Inoue | 1997-12-30 |
| 5602695 | Cassette loading mechanism for recording and playback apparatus | Tatsumi Nishijima, Hidekazu Takeda, Kenmei Masuda, Hikaru Mizutani | 1997-02-11 |
| 5556051 | Tape cartridge having a front lid with a covering wall | Hikaru Mizutani, Tatsumi Nishijima, Hidekazu Takeda, Kenji Ogiro, Nobuyuki Kaku | 1996-09-17 |
| 5537279 | Tape cassette and magnetic recording/reproducing device | Hidekazu Takeda, Nobuyuki Kaku, Tomochika Yamashita, Mikihisa Inoue, Hikaru Mizutani | 1996-07-16 |
| 5503348 | Opening and closing of a front lid of a tape cartridge | Hikaru Mizutani, Hidekazu Takeda, Kenji Ogiro, Nobuyuki Kaku | 1996-04-02 |
| 5497279 | Tape cartridge and recording reproduction apparatus for the tape cartridge | Tatsumi Nishijima, Hidekazu Takeda, Kenmei Masuda, Hikaru Mizutani, Kenji Ogiro | 1996-03-05 |
| 5479312 | Tape cartridge system implementing variable sized tape cartridges designed for use on the same recording/reproducing apparatus | Kenmei Masuda, Hidekazu Takeda, Tatsumi Nishijima, Hikaru Mizutani | 1995-12-26 |
| 5454527 | Tape cartridge | Hikaru Mizutani, Nobuyuki Kaku, Hidekazu Takeda, Kenji Ogiro | 1995-10-03 |
| 5295637 | Cassette lid-locking element with shutter portion for closing a light passage window | Hidekazu Takeda, Nobuyuki Kaku, Mikihisa Inoue | 1994-03-22 |
| 5247640 | Dual access control system including plural magnetic disk control units and contention control circuitry | — | 1993-09-21 |
| D331926 | Magnetic tape cassette | Kazuaki Urano, Hiroshi Ohkubo, Takashi Miyamoto | 1992-12-22 |
| 4932604 | Tape cartridge | Mitsuhiro Chikuwa | 1990-06-12 |
| 4881696 | Mechanism for preventing loosening of tape in a tape cartridge | Hikaru Mizutani | 1989-11-21 |
| 4648565 | Tape cartridge | — | 1987-03-10 |
| 4544062 | Magnetic recording tape cartridge | — | 1985-10-01 |
| 4466585 | Magnetic recording tape cartridge | — | 1984-08-21 |