Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6924448 | Movable contact unit with operating projections, method of mounting operating projections and operating panel switch using movable contact unit with operating projections | Naoki Sera, Masahiro Ito | 2005-08-02 |
| 6906274 | Movable contact unit having press-down projections | Masahiro Ito, Naoki Sera | 2005-06-14 |