Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8334794 | Input device and keyboard device having illumination function | Kazutoshi Watanabe, Hideaki Nagakubo, Takenobu Kimura, Koichi Yamamoto, Naomi Sato +6 more | 2012-12-18 |
| 6087604 | Thin keyboard | Seiichi Suga, Kazuhiro Yokoyama, Kazutoshi Watanabe, Tsuyoshi Narusawa, Shinji Hirano | 2000-07-11 |
| D386488 | Data entry keyboard | Masaaki Kageyama, Hideki Ito, Yoshirou Koutaka, Takahiro Murakami, Hiromi Chiba | 1997-11-18 |