Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6163227 | Non radiative dielectric waveguide having a portion for line conversion between different types of non radiative dielectric waveguides | Atsushi Saitoh, Hiroshi Nishida, Ikuo Takakuwa, Yoshinori Taguchi | 2000-12-19 |
| 6144267 | Non-Radiative dielectric line assembly | Atsushi Saitoh, Hiroshi Nishida, Ikuo Takakuwa, Yoshinori Taguchi | 2000-11-07 |
| 6133887 | Antenna device, and transmitting/receiving unit | Yoshinori Taguchi | 2000-10-17 |
| 6104264 | Dielectric waveguide of a laminated structure | Yohei Ishikawa, Hiroshi Nishida, Atsushi Saitoh | 2000-08-15 |
| 6031433 | Dielectric waveguide | Hiroshi Nishida, Atsushi Saitoh | 2000-02-29 |
| 6008755 | Antenna-shared distributor and transmission and receiving apparatus using same | Yohei Ishikawa, Hiroshi Nishida, Atsushi Saitoh | 1999-12-28 |
| 5990764 | Dielectric waveguide with at least one dielectric resonator and a plurality of dielectric strips coupled with said at least one resonator | Hiroshi Nishida, Atsushi Saitoh | 1999-11-23 |
| 5982255 | LSM and LSE mode dielectric waveguide having propagating and non-propagating regions | Hiroshi Nishida, Atsushi Saitoh | 1999-11-09 |
| 5970401 | Balanced-type mixer having circuit board | Hiroshi Nishida, Koichi Sakamoto | 1999-10-19 |
| 5943005 | Multilayer dielectric line circuit | Hiroshi Nishida | 1999-08-24 |
| 5920245 | Nonradiative dielectric line apparatus including a specifically oriented circuit board | Yohei Ishikawa, Hiroshi Nishida, Sadao Yamashita, Atsushi Saitoh | 1999-07-06 |
| 5917232 | Dielectric-line integrated circuit | Yoshinori Taguchi | 1999-06-29 |
| 5867120 | Transmitter-receiver | Yohei Ishikawa, Hiroshi Nishida | 1999-02-02 |
| 5825268 | Device with a nonradiative dielectric waveguide | Youhei Ishikawa, Hiroshi Nishida | 1998-10-20 |
| 5770989 | Nonradiative dielectric line apparatus and instrument for measuring characteristics of a circuit board | Yohei Ishikawa, Hiroshi Nishida, Sadao Yamashita, Atsushi Saitoh | 1998-06-23 |
| 5724013 | High-frequency integrated circuit | Youhei Ishikawa, Hiroshi Nishida | 1998-03-03 |
| 5604469 | High-frequency integrated circuit | Youhei Ishikawa, Hiroshi Nishida | 1997-02-18 |
| 5600289 | Measuring jig used for evaluation of a device with a nonradiative dielectric waveguide | Youhei Ishikawa, Hiroshi Nishida, Norimitsu Tsukai, Atsushi Saito | 1997-02-04 |
| 5184096 | Parallel connection multi-stage band-pass filter comprising resonators with impedance matching means capacitively coupled to input and output terminals | Kikuo Wakino, Toshio Hishikawa, Youhei Ishikawa, Koichi Takehara | 1993-02-02 |
| 5097236 | Parallel connection multi-stage band-pass filter | Kikuo Wakino, Toshio Nishikawa, Youhei Ishikawa, Koichi Takehara | 1992-03-17 |
| 5049842 | Dielectric resonator having a cutout portion for receiving an unitary tuning element conforming to the cutout shape | Youhei Ishikawa, Hidekazu Wada, Kouichi Takehara, Shigeji Arakawa, Shinichi Kunioka | 1991-09-17 |
| 4902991 | Radio frequency signal combining/sorting device | Youhei Ishikawa, Hidekazu Wada, Koichi Takehara, Shigeji Arakawa | 1990-02-20 |