Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6882300 | Guide marker and visual guide marker device | Fuminori Nakamura, Yohei Ishikawa, Taiyo Nishiyama | 2005-04-19 |
| 6867660 | Line transition device between dielectric waveguide and waveguide, and oscillator, and transmitter using the same | Nobumasa Kitamori, Kazutaka Higashi, Hideaki Yamada, Sadao Yamashita | 2005-03-15 |
| 6822612 | Antenna device, communication apparatus and radar module | Yukio Takimoto, Fuminori Nakamura, Ikuo Takakuwa, Nobumasa Kitamori | 2004-11-23 |
| 6737934 | Directional Coupler, antenna device, and transmitting-receiving device | Hideaki Yamada, Kazutaka Higashi | 2004-05-18 |
| 6580343 | Dielectric waveguide with pairs of dielectric strips connected in an off-set manner | Atsushi Saitoh, Hiroshi Nishida, Ikuo Takakuwa, Yoshinori Taguchi, Nobuhiro Kondo +1 more | 2003-06-17 |
| 6563477 | Antenna apparatus and transmission and receiving apparatus using same | Yohei Ishikawa, Fuminori Nakamura, Ikuo Takakuwa | 2003-05-13 |
| 6512421 | Gunn diode oscillator with NRD guide | Kazumasa Haruta, Sadao Yamashita, Koichi Sakamoto | 2003-01-28 |
| 6489855 | Line transition device between dielectric waveguide and waveguide, and oscillator, and transmitter using the same | Nobumasa Kitamori, Kazutaka Higashi, Hideaki Yamada, Sadao Yamashita | 2002-12-03 |
| 6472961 | Non-radiative dielectric line including convex or concave portion, and integrated circuit comprising the non-radiative dielectric line | Atsushi Saitoh, Hiroshi Nishida, Ikuo Takakuwa | 2002-10-29 |
| 6445256 | Oscillator and radio equipment | Kazumasa Haruta, Sadeo Yamashita, Koichi Sakamoto | 2002-09-03 |
| 6441699 | Directional coupler, antenna device, and transmitting-receiving device | Hideaki Yamada, Kazutaka Higashi | 2002-08-27 |
| 6433741 | Directional coupler, antenna device, and transmitting-receiving device | Ikuo Takakuwa, Tomohiro Nagai, Kazutaka Higashi | 2002-08-13 |
| 6384694 | Dielectric line converter, dielectric line unit, directional coupler, high-frequency circuit mobile, and transmitter-receiver | Ikuo Takakuwa, Atsushi Saitoh | 2002-05-07 |
| 6362795 | Antenna apparatus and transmission and receiving apparatus using the same | Yohei Ishikawa, Fuminori Nakamura, Ikuo Takakuwa | 2002-03-26 |
| 6362696 | Device with a nonradiative dielectric waveguide with coupling gap | Youhei Ishikawa, Hiroshi Nishida | 2002-03-26 |
| 6344779 | Oscillator and radio equipment | Kazumasa Haruta, Sadao Yamashita, Koichi Sakamoto | 2002-02-05 |
| 6331809 | Nonradiative dielectric waveguide resonator, nonradiative dielectric waveguide filter, duplexer and transceiver incorporating the same | Ikuo Takakuwa, Toshiro Hiratsuka | 2001-12-18 |
| 6307451 | Dielectric waveguide comprising connected dielectric strips | Atsushi Saitoh, Hiroshi Nishida, Ikuo Takakuwa, Yoshinori Taguchi, Nobuhiro Kondo +1 more | 2001-10-23 |
| 6285266 | Directional coupler having shiftable parallel dielectric transmission lines | Hideaki Yamada, Kazutaka Higashi | 2001-09-04 |
| 6268833 | Antenna device and transmitting/receiving apparatus | Taiyo Nishiyama, Nobuhiro Kondou | 2001-07-31 |
| 6246375 | Antenna device and transmit-receive unit using the same | Hideaki Yamada, Fuminori Nakamura, Taiyo Nishiyama | 2001-06-12 |
| 6246298 | Dielectric line switch and antenna device | Yohei Ishikawa, Koichi Sakamoto, Hiroshi Nishida, Taiyo Nishiyama, Nobuhiro Kondo +3 more | 2001-06-12 |
| 6239757 | Communication module for a means of transportation | Youhei Ishikawa | 2001-05-29 |
| 6218916 | Electromagnetically coupling nonradiative dielectric waveguides | Youhei Ishikawa, Hiroshi Nishida | 2001-04-17 |
| 6172648 | Directional coupler, antenna device, and transceiver | Ikuo Takakuwa, Hiroshi Nishida, Atsushi Saitoh, Taiyo Nishiyama, Nobuhiro Kondou +1 more | 2001-01-09 |