Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11984924 | Transmit/receive module | Seima KONDO, Satoshi Tanaka, Satoshi Arayashiki, Hiroyuki Furusato, Jin Yokoyama +5 more | 2024-05-14 |
| 10027353 | High-frequency front end circuit | Takanori UEJIMA, Hiromichi KITAJIMA, Saneaki Ariumi, Hisao Hayafuji | 2018-07-17 |
| 9960898 | Radio frequency front-end circuit | Takanori UEJIMA, Hiromichi KITAJIMA, Saneaki Ariumi, Hisao Hayafuji | 2018-05-01 |
| 8686811 | Stripline filter | Yasunori Takei, Motoharu Hiroshima | 2014-04-01 |
| 8008995 | Stripline filter and manufacturing method thereof | Nobuyoshi Honda, Yasunori Takei | 2011-08-30 |
| 7629867 | Filter element and method for manufacturing the same | Yukihiro Kitaichi | 2009-12-08 |
| 6853265 | Dielectric resonator device, dielectric filter, dielectric duplexer, and communication apparatus | Shigeji Arakawa, Munehisa WATANABE, Yukihiro Kitaichi | 2005-02-08 |
| 6791434 | Flat group-delay low-pass filter, mounting structure thereof, flat group-delay low-pass filter device, and optical signal receiver | — | 2004-09-14 |
| 6734760 | Lumped filter, shared antenna unit, and communication device | — | 2004-05-11 |
| 6720849 | High frequency filter, filter device, and electronic apparatus incorporating the same | Yutaka Sasaki, Akihide Nakano, Hiroaki Tanaka | 2004-04-13 |
| 6694601 | Method of adjusting characteristics of dielectric filter | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato +2 more | 2004-02-24 |
| 6642816 | Strip-line filter, duplexer, filter device, communication device, and method of adjusting characteristic of strip-line filter | Shigeji Arakawa | 2003-11-04 |
| 6603373 | Adjusting method for electrical characteristics of microstrip line filter, duplexer, communication device, and microstrip line type resonator | — | 2003-08-05 |
| 6577211 | Transmission line, filter, duplexer and communication device | — | 2003-06-10 |
| 6566977 | Filter, duplexer, and communication device | — | 2003-05-20 |
| 6489865 | Strip-line filter, duplexer, filter device, communication device, and method of adjusting characteristic of strip-line filter | Shigeji Arakawa | 2002-12-03 |
| 6466109 | Dielectric filter having non-conductive adjusting regions | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato +2 more | 2002-10-15 |
| 6401328 | Manufacturing method of dielectric filter having a pattern electrode disposed within a dielectric body | Haruo Matsumoto, Tadahiro Yorita, Yasuo Yamada, Hideyuki Kato, Yukihiro Kitaichi +1 more | 2002-06-11 |
| 6400238 | Dielectric filter having side surface indentation | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato +2 more | 2002-06-04 |
| 6353374 | Dielectric filter with recessed end surface | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato +2 more | 2002-03-05 |
| 6262640 | Coplanar line filter and duplexer | — | 2001-07-17 |
| 6236288 | Dielectric filter having at least one stepped resonator hole with a recessed or protruding portion, the stepped resonator hole extending from a mounting surface | — | 2001-05-22 |
| 6166612 | Coplanar line filter and duplexer | — | 2000-12-26 |
| 6078230 | Characteristic adjusting method for dielectric filter using a grinding tool | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato +2 more | 2000-06-20 |
| 6069542 | Dielectric filter having resonator electrodes, shield electrodes, and coupling electrodes disposed within a dielectric body | Haruo Matsumoto, Tadahiro Yorita, Yasuo Yamada, Hideyuki Kato, Yukihiro Kitaichi +1 more | 2000-05-30 |