Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5867338 | Disc drive apparatus | Masaki Hagiwara | 1999-02-02 |
| 5548460 | Tape cassette having an escape slot arrangement | Hiroyuki Umeda, Toshio Imamura | 1996-08-20 |
| 5543991 | Tape cassette having a rear cover composed of two pieces of plates rotatably connected to each other | Yasufumi Hashimoto, Hiroyuki Umeda | 1996-08-06 |
| 5453896 | Tape cassette with coordinated front and rear lids and a front rim member for protection of the tape and a rotatable lever connecting the lids | — | 1995-09-26 |
| 5404261 | Tape cassette having front and rear rids for the tape and a rotatable lever connecting the rids | Manabu Sato | 1995-04-04 |
| 4905103 | Magnetic recording apparatus | — | 1990-02-27 |
| 4745486 | Helical scan type magnetic recording apparatus | Haruki Ogata | 1988-05-17 |
| 4725896 | Magnetic recording apparatus for recording two kinds of mutually different information signals on independent tracks of a magnetic tape | Masato Mihara, Osamu Inoue | 1988-02-16 |
| 4642713 | Helical scan type recording and/or reproducing apparatus | Shinji Hirano, Koji Sadakane | 1987-02-10 |
| 4291345 | Cassette type tape recorder | — | 1981-09-22 |