Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10261182 | Optical sensor | Kaname Hanada, Shinichiro Chiku, Tsutomu Yamasaki | 2019-04-16 |
| 9052390 | Optical sensor | Kaname Hanada, Atsushi KAJI, Tsutomu Yamasaki, Hiroto Ishikawa | 2015-06-09 |
| 6809615 | Band-pass filter and communication apparatus | Toshiro Hiratsuka, Yutaka Sasaki, Kiyoshi Kanagawa, Keiichi Hirose | 2004-10-26 |
| 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 |
| 6445263 | Dielectric resonator, dielectric filter, duplexer, and communication device | Toshiro Hiratsuka, Yutaka Ida, Shigeyuki Mikami, Kiyoshi Kanagawa | 2002-09-03 |
| 6388542 | Dielectric filter, transmission-reception sharing unit, and communication device | Toshiro Hiratsuka, Kenichi Iio | 2002-05-14 |
| 6388541 | Dielectric resonator having an electromagnetic wave absorbing member and apparatus incorporating the dielectric resonator | Toshiro Hiratsuka, Kenichi Iio | 2002-05-14 |
| 6331808 | Dielectric resonator device | Shigeyuki Mikami, Toshiro Hiratsuka | 2001-12-18 |
| 6249195 | Dielectric filter, dielectric duplexer, and transceiver having circular and polygonal electrode openings | Shigeyuki Mikami, Toshiro Hiratsuka, Kiyoshi Kanagawa | 2001-06-19 |
| 6236291 | Dielectric filter, duplexer, and communication device | Toshiro Hiratsuka, Kiyoshi Kanagawa | 2001-05-22 |
| 6232854 | Dielectric resonator device, dielectric filter, oscillator, sharing device, and electronic apparatus | Shigeyuki Mikami, Toshiro Hiratsuka, Yutaka Ida, Kiyoshi Kanagawa | 2001-05-15 |
| 6201456 | Dielectric filter, dielectric duplexer, and communication device, with non-electrode coupling parts | Toshiro Hiratsuka, Kenichi Iio | 2001-03-13 |
| 6184758 | Dielectric resonator formed by polygonal openings in a dielectric substrate, and a filter, duplexer, and communication apparatus using same | Yohei Ishikawa, Toshiro Hiratsuka, Shigeyuki Mikami, Yutaka Ida, Kiyoshi Kanagawa | 2001-02-06 |
| 6177854 | Dielectric resonator device | Shigeyuki Mikami, Toshiro Hiratsuka | 2001-01-23 |
| 6147575 | Dielectric filter transmission-reception sharing unit and communication device | Toshiro Hiratsuka, Kenichii Iio | 2000-11-14 |
| 6121855 | Dielectric filter comprising at least one coupling member coupled to two coupling modes of a resonator and a communication device using the same | Toshiro Hiratsuka, Shigeyuki Mikami, Kenichi Iio | 2000-09-19 |
| 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 | Toshiro Hiratsuka, Yutaka Ida, Shigeyuki Mikami, Kiyoshi Kanagawa | 2000-08-15 |
| 6081173 | Dielectric filter with a unitary external coupling device coupled to multiple resonator stages | Eiichi Kobayashi | 2000-06-27 |
| 6057745 | Dielectric filter, transmitting/receiving duplexer, and communication apparatus having depressed parallel plate mode below a resonant frequency | Toshiro Hiratsuka, Yutaka Ida, Shigeyuki Mikami, Kiyoshi Kanagawa | 2000-05-02 |
| 6016090 | Dielectric resonator apparatus and high-frequency module | Kenichi Iio, Koichi Sakamoto, Sadao Yamashita, Toshihiro HIRATSUKA, Shigeyuki Mikami | 2000-01-18 |
| 5831496 | Dielectric filter | Eiichi Kobayashi | 1998-11-03 |
| 5783979 | Dielectric resonator device having a single window for coupling two pairs of resonator columns | Masamichi Andoh, Taiyo Nishiyama | 1998-07-21 |