Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819198 | Nonreciprocal circuit device and high-frequency circuit apparatus | Takekazu Okada, Satoru Shinmura | 2004-11-16 |
| 6768392 | Nonreciprocal circuit device and communication apparatus incorporating the same | Masakatsu Mori | 2004-07-27 |