Issued Patents 2002
Showing 1–3 of 3 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, Katsuya Fujii, Ryoichi Takayama | 2002-10-29 |
| 6445261 | Saw filter antenna sharing device using the same, and mobile communication terminal using the same | Naoki Yuda, Toru Sakuragawa, Ryouichi Takayama, Yuki Satoh | 2002-09-03 |
| 6404302 | Surface acoustic wave filter utilizing a transmission line with phase characteristics that increase filter out of band attenuation | Yuki Satoh, Toru Sakuragawa | 2002-06-11 |