Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6518958 | Electronic apparatus having plural entry switches | Tamotsu Yamamoto | 2003-02-11 |
| 6504269 | Input device and electronic appliance using the same | Tamotsu Yamamoto, Tsutomu Sakuma, Akira Nakanishi, Toyoshi Fukumura | 2003-01-07 |