Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8644367 | Antenna beam scan unit and wireless communication system using antenna beam scan unit | Hideyuki Nagaishi, Yuichi Shimayama | 2014-02-04 |
| 8102102 | Thin film tuning-fork type inflection resonator and electric signal processing element | Atsushi Isobe, Kengo Asai, Hisanori Matsumoto | 2012-01-24 |
| 7915793 | Thin film tuning-fork type inflection resonator and electric signal processing element | Atsushi Isobe, Kengo Asai, Hisanori Matsumoto | 2011-03-29 |
| 7659795 | Antenna duplexer and wireless terminal using the same | Mitsutaka Hikita, Shigeki Matsuda, Naoki Matsuura, Kazuyuki Yokoyama | 2010-02-09 |
| 7586390 | Bulk acoustic wave resonator, bulk acoustic wave filter, RF module including bulk acoustic wave resonator and/or filter, and bulk acoustic wave oscillator | Hisanori Matsumoto, Tomio Iwasaki, Kengo Asai | 2009-09-08 |
| 7561010 | Piezoelectric thin film resonators | Mitsutaka Hikita, Atsushi Isobe, Kengo Asai, Hisanori Matsumoto | 2009-07-14 |
| 7499678 | Antenna sharing device and wireless communication terminal using the same | Mitsutaka Hikita, Kazuyuki Sakiyama, Osamu Hikino | 2009-03-03 |
| 7489063 | Thin film piezoelectric bulk acoustic wave resonator and radio frequency filter using the same | Atsushi Isobe, Kengo Asai, Hisanori Matsumoto | 2009-02-10 |
| 7385464 | Resonator type filter | Mitsutaka Hikita | 2008-06-10 |
| 6766149 | Mobile radio terminal and surface acoustic wave antenna duplexer | Mitsutaka Hikita, Kazuyuki Sakiyama, Naoki Matsuura | 2004-07-20 |
| 6714099 | Radio frequency filter, radio frequency circuit, antenna duplexer and radio terminal | Mitsutaka Hikita, Naoki Matsuura, Kazuyuki Yokoyama, Shigeki Matsuda | 2004-03-30 |
| 6525624 | Band-switchable surface acoustic wave antenna duplexer and mobile radio terminal | Mitsutaka Hikita, Kazuyuki Sakiyama, Masato Kijima, Osamu Hikino | 2003-02-25 |
| 6047306 | CDMA communication RF signal processing apparatus using SAW | Mitsutaka Hikita, Chisaki Takubo, Kazuyuki Sakiyama | 2000-04-04 |
| 5666091 | Structure of surface acoustic wave filter | Mitsutaka Hikita, Kazuyuki Sakiyama | 1997-09-09 |
| 5438305 | High frequency module including a flexible substrate | Mitsutaka Hikita, Atsushi Sumioka, Takatoshi Akagi, Toyoji Tabuchi | 1995-08-01 |
| 5422615 | High frequency circuit device | Mitsutaka Hikita, Toyoji Tabuchi, Takatoshi Akagi, Satoshi Wakamori, Tomomi Matsumoto | 1995-06-06 |
| 5235234 | Surface acoustic wave device | Mitsutaka Hikita, Toyoji Tabuchi, Atsushi Isobe, Kazuhito Kurosawa | 1993-08-10 |
| 5202652 | Surface acoustic wave filter device formed on a plurality of piezoelectric substrates | Toyoji Tabuchi, Mitsutaka Hikita, Tetsuya Hirashima | 1993-04-13 |
| 5115216 | Surface acoustic wave filter including saw resonators with transmission spaces therein | Mitsutaka Hikita, Toyoji Tabuchi, Kazuhito Kurosawa | 1992-05-19 |
| 5087901 | Surface acoustic wave band-pass filter with different phase weighted transducers | Kazuhito Kurosawa, Mitsutaka Hikita, Toyoji Tabuchi, Tetsuya Hirashima | 1992-02-11 |
| 5065065 | Surface acoustic wave device | Mitsutaka Hikita, Toyoji Tabuchi, Atsushi Isobe, Kazuhito Kurosawa | 1991-11-12 |