Issued Patents 2005
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6927386 | Optical position detecting device and recording medium including an operational defect judgment | Satoshi Sano, Fumihiko Nakazawa, Nobuyasu Yamaguchi | 2005-08-09 |
| 6919778 | Duplexer with an impedance matching circuit and an electronic device using the same | Osamu Ikata | 2005-07-19 |
| 6844539 | Touch location by retroflected scanned optical beams | Satoshi Sano, Fumihiko Nakazawa, Nobuyasu Yamaguchi | 2005-01-18 |
| 6838657 | Optical position detecting device and recording medium | Satoshi Sano, Fumihiko Nakazawa, Nobuyasu Yamaguchi | 2005-01-04 |