Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8044639 | Selector circuit | Yoichi Tamegai, Hironori Nakahara | 2011-10-25 |
| 7737733 | Current-voltage conversion circuit | Yutaka Shibata | 2010-06-15 |
| 7049985 | Method and circuit for producing trimmed voltage using D/A converter circuit | Yoshiyuki Karasawa, Noboru Kagemoto | 2006-05-23 |
| 6400211 | DC/DC converter | Sachito Horiuchi, Mayuka Matsumae | 2002-06-04 |
| 6088460 | Equalizer and audio device using the same | Hiroyuki Funahashi | 2000-07-11 |
| 5754668 | Equalizer and audio device using the same | Hiroyuki Funahashi | 1998-05-19 |