Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8823137 | Semiconductor device | Hidekazu Kikuchi, Hisao Ohtake | 2014-09-02 |
| 7683813 | Digital-to-analog converter carrying out calibration operation for current source cells | — | 2010-03-23 |
| 7638996 | Reference current generator circuit | Naoaki Sugimura | 2009-12-29 |
| 7633281 | Reference current circuit for adjusting its output current at a low power-supply voltage | Naoaki Sugimura | 2009-12-15 |
| 7439780 | Chopper type comparator | — | 2008-10-21 |
| 7308560 | Processing unit | Teruaki Uehara | 2007-12-11 |