Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7439459 | Switch device and steering switch apparatus equipped with the switch device | Choi Nok Hyun, Tatsuya Yokoyama | 2008-10-21 |
| 7381912 | Switch device and steering switch device using the same | Choi Nok Hyun, Tatsuya Yokoyama | 2008-06-03 |
| 7038148 | Operating device of electronic apparatus | — | 2006-05-02 |