Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6909062 | Key-switch device corresponding to miniaturized notebook-size personal computer with reduced-thickness | Kazuhiro Yakoyama, Takayuki Ito, Sadayuki Yaginuma | 2005-06-21 |
| 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 |
| 6624369 | Keyboard device and method for manufacturing the same | Takayuki Ito | 2003-09-23 |
| 6597344 | Key switch disposed on keyboard input device and method of producing the same | Masaaki Kageyama | 2003-07-22 |
| 6556186 | Keyboard input device with pointing device for controlling cursor position on graphic display and the like | Masaru Komatsu, Shinji Hirano | 2003-04-29 |
| 6483050 | Key switch with easily attachable key top | Masaaki Kageyama | 2002-11-19 |
| 6312176 | Keyboard apparatus | Masaaki Kageyama, Shouji Suganami, Seiichi Suga, Teruyasu Fukuyama | 2001-11-06 |
| 6225586 | Thin keyboard apparatus | Kazutoshi Watanabe, Kazuhiro Yokoyama | 2001-05-01 |
| 6152627 | Keyboard device having plurality of keyswitches | Kazutoshi Watanabe, Yoshirou Koutaka, Kunio HOSONO | 2000-11-28 |
| 6087604 | Thin keyboard | Seiichi Suga, Kazuhiro Yokoyama, Kazutoshi Watanabe, Shinji Hirano, Katsuyuki Katayama | 2000-07-11 |
| 6031189 | Keyboard device | Kazutoshi Watanabe | 2000-02-29 |
| 5967298 | Keyboard device | Kazutoshi Watanabe | 1999-10-19 |
| 5754167 | Coordinate inputting device for a computer keyboard | Yoichi Hattori, Ryouichi Maeda | 1998-05-19 |