Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771141 | Directional coupler | Masahiko Kawaguchi | 2004-08-03 |
| 6747525 | Directional coupler | Masahiko Kawaguchi | 2004-06-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771141 | Directional coupler | Masahiko Kawaguchi | 2004-08-03 |
| 6747525 | Directional coupler | Masahiko Kawaguchi | 2004-06-08 |