Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7397439 | Slot antenna | Hiroshi Kanno, Ushio Sangawa | 2008-07-08 |
| 7369020 | Transmission line comprising a plurality of serially connected rotational direction-reversal structures | Hiroshi Kanno, Ushio Sangawa, Tomoyasu Fujishima | 2008-05-06 |
| 7301418 | Differential transmission line having curved differential conductors and ground plane slots | Hiroshi Kanno, Ushio Sangawa, Tomoyasu Fujishima | 2007-11-27 |
| 7280736 | Photonic crystal device | Ushio Sangawa, Tomoyasu Fujishima, Hiroshi Kanno | 2007-10-09 |
| 7250909 | Antenna and method of making the same | Tomoyasu Fujishima, Ushio Sangawa, Hiroshi Kanno | 2007-07-31 |
| 7209083 | Radio-frequency device | Tomoyasu Fujishima, Ushio Sangawa, Hiroshi Kanno | 2007-04-24 |
| 7183883 | RF circuit component and RF circuit | Hiroshi Kanno, Ushio Sangawa, Tomoyasu Fujishima | 2007-02-27 |
| 7183888 | High-frequency circuit | Hiroshi Kanno, Ushio Sangawa, Tomoyasu Fujishima | 2007-02-27 |
| 7164332 | Resonator | Hiroshi Kanno, Ushio Sangawa, Tomoyasu Fujishima | 2007-01-16 |
| 7151423 | Demultiplexer and multiplexer | Ushio Sangawa, Hiroshi Kanno, Tomoyasu Fujishima | 2006-12-19 |
| 7046198 | Antenna and apparatus provided with the antenna | Yasunao Okazaki, Michio Okajima | 2006-05-16 |
| 6766149 | Mobile radio terminal and surface acoustic wave antenna duplexer | Mitsutaka Hikita, Naoki Matsuura, Nobuhiko Shibagaki | 2004-07-20 |
| 6525624 | Band-switchable surface acoustic wave antenna duplexer and mobile radio terminal | Mitsutaka Hikita, Nobuhiko Shibagaki, Masato Kijima, Osamu Hikino | 2003-02-25 |
| 6518703 | Electrodeless discharge energy supply apparatus and electrodeless discharge lamp device using surface wave transmission line | Akira Hochi, Mamoru Takeda | 2003-02-11 |
| 6249006 | Electromagnetic field shielding device | — | 2001-06-19 |
| 6049170 | High frequency discharge energy supply means and high frequency electrodeless discharge lamp device | Akira Hochi, Mamoru Takeda | 2000-04-11 |
| 6047306 | CDMA communication RF signal processing apparatus using SAW | Mitsutaka Hikita, Chisaki Takubo, Nobuhiko Shibagaki | 2000-04-04 |
| 5781020 | Method of calculating an impedance of an electromagnetic part to which rotational body shape approximation is applied, and an apparatus for the same | Tetsuya Imai | 1998-07-14 |
| 5666091 | Structure of surface acoustic wave filter | Mitsutaka Hikita, Nobuhiko Shibagaki | 1997-09-09 |
| 5604059 | Mask structure having phase shifting pattern suitable for forming fine pattern on photosensitive film and method of manufacturing solid-state devices using such mask structure | Ryo Imura, Yoshinori Hoshina, Kengo Asai, Mitsutaka Hikita, Atsushi Isobe +2 more | 1997-02-18 |
| 5315233 | Electromagnetic field analyzer for devices in which an electromagnetic field is present near a conductor and an electric charge moves in the electromagnetic field, and method of analyzing an electromagnetic field | Akira Ahagon, Hidetoshi Kotera, Hiromi Kita | 1994-05-24 |
| 5307291 | Instrument for analysis of levitation of rapidly moving structure such as a magnetic tape across an air gap | Hiromi Kita, Hidetoshi Kotera, Akira Ahagon | 1994-04-26 |