Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11836045 | Electronic control device having a non-volatile memory with a reserved area storing failure data | Takahito Fuju, Kenho Ko | 2023-12-05 |
| 4879613 | Cassette tape recorder for multiple cassette tapes | Satoru Koizumi, Yoshio Katayama | 1989-11-07 |
| 4843492 | Automatic cassette tape recorder stop mechanism for use with a plurality of tapes | Satoru Koizumi, Yoshio Katayama | 1989-06-27 |
| 4809098 | Tape cassette loading device | Satoru Koizumi, Yoshio Katayama | 1989-02-28 |
| 4807058 | Tape recorder including device to prevent improper operation of recording operation | Satoru Koizumi, Yoshio Katayama | 1989-02-21 |
| 4797759 | Tape recorder mode selector device for plural cassette tapes | Satoru Koizumi, Yoshio Katayama | 1989-01-10 |
| 4782412 | Azimuthally adjustable means for attaching magnetic heads | Satoru Koizumi, Yoshio Katayama | 1988-11-01 |
| 4698704 | Automatic cassette tape recorder stop mechanism | Satoru Koizumi, Yoshio Katayama | 1987-10-06 |
| 4551775 | Tape recorder with two recording/playing mechanisms | Satoru Koizumi, Hiroshi Furuhara | 1985-11-05 |