Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6573588 | Capacitance element | Toshio Kumamoto, Takashi Okuda | 2003-06-03 |
| 6538589 | Digital &Dgr;&Sgr; modulator and D/A converter using the modulator | Takashi Okuda, Toshio Kumamoto | 2003-03-25 |