Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5159584 | Bias-Magnetic field generating system of photo-magnetic recording device | Tsuneo Yanagida | 1992-10-27 |
| 4837758 | Magneto-optical recording reproducing device having field applying means | Tsuneo Yanagida, Mitsugu Sakai, Hitoshi Ichikawa, Akihiko Yoshizawa | 1989-06-06 |
| 4724962 | Disk jacket | Seizo Watanabe, Youichi Hosaka | 1988-02-16 |
| 4628390 | Foot switch apparatus for a transcriber | Katsumi Kanayama | 1986-12-09 |
| 4463397 | Cassette tape recorder | Toshikazu Kato | 1984-07-31 |
| 4461967 | Support for a rotational speed detecting mechanism on a flat motor | — | 1984-07-24 |
| 4422107 | Tape recorder control system for automatically reversing tape | — | 1983-12-20 |
| 4420216 | Connecting device | Toshihiro Nakao, Mitsuo Nasu, Yoshio Tomizawa | 1983-12-13 |
| 4417776 | Connection terminal device for electrical implements | — | 1983-11-29 |
| 4417135 | Power saving electronic counter circuit for tape recorder | Kenzi Furuta, Katsumi Kanayama | 1983-11-22 |
| 4385332 | Tape cassette lid opening device for magnetic recording tape driving apparatus | Toshihiro Nakao, Kazuaki Takata, Katsumi Kanayama, Masaaki Daigaku, Yasuo Hattori | 1983-05-24 |
| 4385228 | Display device for tape recorder with automatic shut off and reset inhibiting | Katsumi Kanayama, Kenzi Furuta | 1983-05-24 |
| 4373172 | Tape recorder | Toshihiro Nakao | 1983-02-08 |
| 4370684 | Tape recorder with automatic tape end stopping and alarm generation | Katsumi Kanayama, Kenzi Furuta | 1983-01-25 |
| 4351009 | Apparatus for moving the pinch roller and the magnetic head of a tape recorder | Hajime Osada, Akiteru Kimura, Tokuo Shimizu, Goro Kitajima, Yoshio Tomizawa +2 more | 1982-09-21 |
| 4348701 | Mode switching circuit | Katsumi Kanayama, Kenzi Furuta | 1982-09-07 |
| 4345286 | Power supply device for a multifunction apparatus having a plurality of power sources | Katsumi Kanayama, Kenzi Furuta | 1982-08-17 |
| 4340951 | Operation mode display apparatus | Toshihiro Nakao, Katsumi Kanayama, Kenzi Furuta | 1982-07-20 |
| 4334253 | Tape recorder | Toshikazu Kato | 1982-06-08 |
| 4319295 | Cassette tape recorder | Toshikazu Kato | 1982-03-09 |
| 4270685 | Capstan bearing device | — | 1981-06-02 |