Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5610376 | Interlocking structure and detector for sensing the position of an operating member in detachable electronic equipment | Katsuhiko Takagi | 1997-03-11 |
| 5020151 | Releasable mounting for an audio device | Kazue Sampei, Takashi Suzuki | 1991-05-28 |