Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9115751 | Spring unit and sliding mechanism | Yasuhiro Mitsui | 2015-08-25 |
| 9022367 | Curved spring and slide mechanism | — | 2015-05-05 |
| 8950940 | Sliding apparatus | Yasuhiro Mitsui | 2015-02-10 |
| 8769773 | Opening and closing device | — | 2014-07-08 |