Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6597260 | Filter, multiplexer, and communication apparatus | Yutaka Sasaki, Toshito Hiratsuka, Koichi Sakamoto | 2003-07-22 |
| 6538526 | Transmission line connection structure, high frequency module, and communication device | Shigeyuki Mikami, Toshiro Hiratsuka, Kiyoshi Kanagawa | 2003-03-25 |
| 6531934 | Dielectric resonator, dielectric filter, dielectric duplexer, oscillator, and communication device | Shigeyuki Mikami, Toshiro Hiratsuka, Kiyoshi Kanagawa | 2003-03-11 |
| 6512429 | Dielectric filter, transmission/reception sharing device, and communication device | Toshiro Hiratsuka, Shigeyuki Mikami, Kiyoshi Kanagawa | 2003-01-28 |