Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5121271 | Cassette holder device capable of receiving large and small size cassettes | Machiko Hirano | 1992-06-09 |
| 5101304 | Cassette holder device capable of preventing erroneous insertion of cassette | Machiko Hirano | 1992-03-31 |
| 5034831 | Magnetic recording and reproducing apparatus having cassette discriminating means | Chikanori Miyawaki, Akihiko Yamamura | 1991-07-23 |
| 4844377 | Tape cassette | Yoshinori Shiomi, Toshibumi Kamiyama, Akihiro Nishimura, Masao Kawagishi, Masahiko Matsui | 1989-07-04 |
| 4809113 | Tape cassette with improved cover structure | Akihiro Nishimura, Masao Kawagishi, Masahiko Matsui, Yoshinori Shiomi | 1989-02-28 |
| 4803575 | Tape cassettes having bottom grooves for use in tape recorder having bottom projection in cassette holder | Akihiro Nishimura, Masao Kawagishi, Masahiko Matsui, Yoshinori Shiomi | 1989-02-07 |
| 4191978 | Method for adjusting rotary head type magnetic video recording and reproducing apparatus | Mitsunobu Furumoto, Osahiko Yano, Satoshi Kikuya, Kanji Kubo | 1980-03-04 |