Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6759614 | Keyboard switch | — | 2004-07-06 |
| 6757550 | Mobile station and base station | Shigeki Harada | 2004-06-29 |
| 6713699 | Key switch stabilizer mechanism | — | 2004-03-30 |
| 6683264 | Low profile key switch structure | Rikuro Obara, Masamitsu Osada | 2004-01-27 |