Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D272343 | Loudspeaker | — | 1984-01-24 |
| 4421821 | Corrosion resistant tire rim | Ikutaka Kosugi, Chiaki Tsukamoto | 1983-12-20 |
| 4401930 | Method of sensing position of movable body and apparatus therefor | Yoshito Kato, Toshio Hashimoto | 1983-08-30 |
| D269869 | Loudspeaker | — | 1983-07-26 |
| D269610 | Automobile stereo system multi-channel electronic cross-over network | — | 1983-07-05 |
| D266560 | Loudspeaker | — | 1982-10-19 |
| D264208 | Loudspeaker | — | 1982-05-04 |
| D254490 | Loudspeaker with grille | — | 1980-03-18 |
| D254252 | Loudspeaker | — | 1980-02-19 |