Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6472953 | Band switching filter using a surface acoustic wave resonator and an antenna duplexer using the same | Toru Sakuragawa, Yuki Sato, Kozo Murakami, Ryoichi Takayama | 2002-10-29 |