Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6370983 | Angle detecting device | — | 2002-04-16 |
| 4775264 | Corner block unit for masonry wall structure | — | 1988-10-04 |
| 4741140 | Masonry wall structure | — | 1988-05-03 |
| 4626961 | Connecting structure of terminal area of printed circuit board | Yasuichi Ono, Yoshitada Amagishi | 1986-12-02 |
| 4607147 | Membrane switch | Yasuichi Ono, Yoshitada Amagishi | 1986-08-19 |
| 4485279 | Keyboard switch | — | 1984-11-27 |
| 4225843 | Variable attenuator | Ichiro Mutoh, Tetsuhiro Kiyono | 1980-09-30 |