Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5635890 | Choke coil | Kouichi Yamaguchi, Takaaki Ooi, Tatsuyuki Yamada | 1997-06-03 |
| 5629661 | Choke coil for eliminating common mode noise and normal mode noise | Takaaki Ooi, Kouichi Yamaguchi, Tatsuyuki Yamada | 1997-05-13 |