Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6763407 | Digital-to-analog converter with plural voltage holding sections, plural step function generators, voltage summing section and integrator | Yukio Koyanagi | 2004-07-13 |
| 6748409 | Data interpolating system | Kouichi Wada | 2004-06-08 |
| 6735608 | Data interpolation method | Yukio Koyanagi | 2004-05-11 |