Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6812420 | Key switch operating mechanism assembly for electronic portable device | Isao Mochizuki | 2004-11-02 |
| 6753793 | Key switch device, keyboard and electronic apparatus with key switch | Isao Mochizuki | 2004-06-22 |