Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7407112 | Card apparatus and method of producing the same | Kiyoshi Kanagawa, Masanobu Okada, Naoki Kitahora | 2008-08-05 |
| 6828867 | Slot electrode dielectric resonator, inductor, capacitor, dielectric filter, oscillator, and communication device | Yohei Ishikawa, Kenichi Iio, Hiroaki Tanaka | 2004-12-07 |
| 6798320 | Microstrip line having a line electrode with integral edge electrodes | Yoshikazu Yagi, Tsutomu Ieki, Hiroaki Tanaka, Osamu Chikagawa | 2004-09-28 |
| 6727766 | Oscillator with dielectric resonator and electronic apparatus using the same | Tsutomu Ieki | 2004-04-27 |
| 6556107 | Dielectric resonator, inductor, capacitor, dielectric filter, oscillator, and communication device | Yohei Ishikawa, Kenichi Iio, Hiroaki Tanaka | 2003-04-29 |
| 6445263 | Dielectric resonator, dielectric filter, duplexer, and communication device | Tomiya Sonoda, Toshiro Hiratsuka, Shigeyuki Mikami, Kiyoshi Kanagawa | 2002-09-03 |
| 6411181 | Dielectric resonator, inductor, capacitor, dielectric filter, oscillator, and communication device | Yohei Ishikawa, Kenichi Iio, Hiroaki Tanaka | 2002-06-25 |
| 6232854 | Dielectric resonator device, dielectric filter, oscillator, sharing device, and electronic apparatus | Shigeyuki Mikami, Toshiro Hiratsuka, Tomiya Sonoda, Kiyoshi Kanagawa | 2001-05-15 |
| 6184758 | Dielectric resonator formed by polygonal openings in a dielectric substrate, and a filter, duplexer, and communication apparatus using same | Yohei Ishikawa, Toshiro Hiratsuka, Tomiya Sonoda, Shigeyuki Mikami, Kiyoshi Kanagawa | 2001-02-06 |
| 6104261 | Dielectric resonator having a resonance region and a cavity adjacent to the resonance region, and a dielectric filter, duplexer and communication device utilizing the dielectric resonator | Tomiya Sonoda, Toshiro Hiratsuka, Shigeyuki Mikami, Kiyoshi Kanagawa | 2000-08-15 |
| 6057745 | Dielectric filter, transmitting/receiving duplexer, and communication apparatus having depressed parallel plate mode below a resonant frequency | Tomiya Sonoda, Toshiro Hiratsuka, Shigeyuki Mikami, Kiyoshi Kanagawa | 2000-05-02 |