Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9841788 | Operation device | — | 2017-12-12 |
| 9824835 | Key switch having jointed links | — | 2017-11-21 |
| 8431852 | Key switch device | Junichi Maruyama, Hiromi Otsuka | 2013-04-30 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9841788 | Operation device | — | 2017-12-12 |
| 9824835 | Key switch having jointed links | — | 2017-11-21 |
| 8431852 | Key switch device | Junichi Maruyama, Hiromi Otsuka | 2013-04-30 |