Issued Patents 2004
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6825816 | Two-element and multi-element planar array antennas | Eisuke Nishiyama, Fumio Asamura, Takeo Oita | 2004-11-30 |
| 6798305 | High frequency oscillator using transmission line resonator | Takayuki Tanaka, Fumio Asamura, Takeo Oita | 2004-09-28 |
| 6798384 | Multi-element planar array antenna | Eisuke Nishiyama, Fumio Asamura, Takeo Oita | 2004-09-28 |
| 6798319 | High-frequency filter | Eisuke Nishiyama, Yoshifumi Kawamura, Fumio Asamura, Takeo Oita | 2004-09-28 |
| 6771137 | High-frequency oscillator | Takayuki Tanaka, Fumio Asamura, Kenji Kawahata, Takeo Oita | 2004-08-03 |
| 6756857 | Planar circuit | Eisuke Nishiyama, Takayuki Tanaka, Fumio Asamura, Takeo Oita | 2004-06-29 |
| 6753817 | Multi-element planar array antenna | Eisuke Nishiyama, Fumio Asamura, Takeo Oita | 2004-06-22 |
| 6717481 | Injection-locked high-frequency oscillator | Fumio Asamura, Takeo Oita | 2004-04-06 |
| 6717480 | Multielement oscillator employing higher mode planar resonator | Fumio Asamura, Takeo Oita | 2004-04-06 |
| 6703904 | High frequency oscillator | Fumio Asamura, Takeo Oita | 2004-03-09 |