Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809098 | Tape cassette loading device | Satoru Koizumi, Daisuke Teshima | 1989-02-28 |
| 4807058 | Tape recorder including device to prevent improper operation of recording operation | Satoru Koizumi, Daisuke Teshima | 1989-02-21 |
| 4797759 | Tape recorder mode selector device for plural cassette tapes | Satoru Koizumi, Daisuke Teshima | 1989-01-10 |
| 4782412 | Azimuthally adjustable means for attaching magnetic heads | Satoru Koizumi, Daisuke Teshima | 1988-11-01 |
| 4698704 | Automatic cassette tape recorder stop mechanism | Satoru Koizumi, Daisuke Teshima | 1987-10-06 |
| 4572231 | Rotary plug valve | — | 1986-02-25 |
| 4536724 | Voltage-controlled oscillator having three or more varactor diodes | Makoto Hasegawa, Mitsuo Makimoto, Sadahiko Yamashita | 1985-08-20 |