Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646516 | COMPLEX CIRCUIT BOARD, NONRECIPROCAL CIRCUIT DEVICE, RESONATOR, FILTER, DUPLEXER, COMMUNICATIONS DEVICE, CIRCUIT MODULE, COMPLEX CIRCUIT BOARD MANUFACTURING METHOD, AND NONRECIPROCAL CIRCUIT DEVICE MANUFACTURING METHOD | Hiromu Tokudera, Kei Matsutani | 2003-11-11 |
| 6628230 | Radio frequency module, communication device, and radar device | Shigeyuki Mikami, Tetsuya Kouchi, Hiroyasu Matsuzaki, Kazutaka Mukaiyama, Koichi Sakamoto +2 more | 2003-09-30 |
| 6563477 | Antenna apparatus and transmission and receiving apparatus using same | Toru Tanizaki, Fuminori Nakamura, Ikuo Takakuwa | 2003-05-13 |
| 6556107 | Dielectric resonator, inductor, capacitor, dielectric filter, oscillator, and communication device | Kenichi Iio, Hiroaki Tanaka, Yutaka Ida | 2003-04-29 |
| 6515554 | High-frequency circuit device and communication apparatus | Kenichi Iio, Takatoshi Kato, Koichi Sakamoto | 2003-02-04 |
| 6504456 | Communication device having a spurious wave blocking circuit formed of a plural fundamental pattern | Kenichi Iio | 2003-01-07 |