Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6101474 | Voice recording/reproducing apparatus | — | 2000-08-08 |
| 5756730 | Process for preparing analgesic compounds | Atsusuke Terada, Yoshio Iizuka, Kazuyuki Wachi | 1998-05-26 |
| 5679674 | Optically active thiomorpholine derivatives | Atsusuke Terada, Yoshio Iizuka, Kazuyuki Wachi | 1997-10-21 |
| 5656758 | Process for preparing analgesic compounds | Atsusuke Terada, Yoshio Iizuka, Kazuyuki Wachi | 1997-08-12 |
| 5574926 | One-chip microcomputer system having function for substantially correcting contents of program | Azuma Miyazawa, Junichi Itoh, Yuji Imai, Minoru Hara, Kazutada Kobayashi +3 more | 1996-11-12 |
| 5512567 | Analgesic compounds, their preparation, and pharmaceutical compositions containing them | Atsusuke Terada, Yoshio Iizuka, Kazuyuki Wachi | 1996-04-30 |
| 5270327 | Analgesic compounds, their preparation, and pharmaceutical compositions containing them | Atsusuke Terada, Yoshio Iizuka, Kazuyuki Wachi | 1993-12-14 |
| 5021413 | Analgesic thiomorpholins their preparation, and pharmaceutical compositions containing them | Atsusuke Terada, Yoshio Iizuka, Kazuyuki Wachi | 1991-06-04 |
| 4692818 | Dual audio track recording system in which one track also contains a control signal | — | 1987-09-08 |
| 4556919 | Tape recorder motor circuit | — | 1985-12-03 |
| 4542421 | Muting circuit in combination with a tape recorder | — | 1985-09-17 |
| 4536808 | Tape recorder device having an automatic shut-off circuit | — | 1985-08-20 |
| 4494158 | Muting apparatus | — | 1985-01-15 |
| 4450413 | Automatic signal level control device | — | 1984-05-22 |
| 4446441 | Transient noise free type amplifier circuit | — | 1984-05-01 |
| 4417165 | Muting circuit | — | 1983-11-22 |
| 4338529 | Cue signal generating circuit | — | 1982-07-06 |
| 4338639 | Cue signal recording apparatus | — | 1982-07-06 |
| 4318139 | Method and apparatus for controlling a microcassette tape transport | Tutomu Shibata, Akira Osanai, Hideo Tomabechi | 1982-03-02 |