Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6777634 | Key-switch device corresponding to miniaturized notebook-size personal computer with reduced-thickness | Kazuhiro Yakoyama, Takayuki Ito, Sadayuki Yaginuma | 2004-08-17 |
| 6689977 | Keyswitch having a keytop that is upwardly and downwardly movable and method of assembling the same | Takayuki Ito | 2004-02-10 |