Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6777634 | Key-switch device corresponding to miniaturized notebook-size personal computer with reduced-thickness | Tsuyoshi Narusawa, Takayuki Ito, Sadayuki Yaginuma | 2004-08-17 |