Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7297878 | High frequency laminated component and its manufacturing method | Ichiro Kameyama | 2007-11-20 |
| 7286028 | Surface acoustic wave filter and device employing it | Shinobu Nakaya | 2007-10-23 |
| 7183878 | Surface acoustic wave filter | Shinobu Nakaya, Takeo Yasuho | 2007-02-27 |
| 7116188 | Laminated dielectric filter, and antenna duplexer and communication equipment using the same | Emiko Kawahara, Toru Yamada, Hideaki Nakakubo | 2006-10-03 |
| 7010273 | High-frequency composite switch module | Yuki Satoh, Riho Sasaki, Narihiro Mita | 2006-03-07 |
| 6998912 | High-frequency composite switch module and mobile communication device using the same | Yuki Satoh | 2006-02-14 |
| 6933802 | High frequency switch | Yasushi Nagata, Takeo Yasuho | 2005-08-23 |
| 6917258 | High frequency switch | Yasushi Nagata, Takeo Yasuho | 2005-07-12 |
| 6903631 | SAW filter and electronic device including SAW filter | Shunichi Seki | 2005-06-07 |
| 6856187 | High frequency switch module | Yasushi Nagata, Takeo Yasuho | 2005-02-15 |
| 6768383 | High-frequency amplifier | Hisayoshi Kato, Michiaki Tsuneoka | 2004-07-27 |
| 6747528 | Dielectric filter, antenna duplexer, and communications appliance | Tomoya Maekawa, Hiroshi Shigemura, Toru Yamada, Toshio Ishizaki, Hideaki Nakakubo | 2004-06-08 |
| 6696903 | Laminated dielectric filter, and antenna duplexer and communication equipment using the same | Emiko Kawahara, Toru Yamada, Hideaki Nakakubo | 2004-02-24 |
| 6633209 | Filter | Masayuki Mizuno | 2003-10-14 |
| 6608533 | Matching circuit chip, filter with matching circuit, duplexer and cellular phone | Toru Yamada, Naoki Yuda, Toshio Ishizaki, Hideaki Nakakubo, Makoto Fujikawa | 2003-08-19 |
| 6608534 | Matching circuit chip, filter with matching circuit, duplexer and cellular phone | Toru Yamada, Naoki Yuda, Toshio Ishizaki, Hideaki Nakakubo, Makoto Fujikawa | 2003-08-19 |
| 6577208 | Radio frequency filter | Masaaki Katsumata, Masayuki Mizuno | 2003-06-10 |
| 6529096 | Dielectric filter, antenna duplexer, and communications appliance | Tomoya Maekawa, Hiroshi Shigemura, Toru Yamada, Toshio Ishizaki, Hideaki Nakakubo | 2003-03-04 |
| 6496083 | Diode compensation circuit including two series and one parallel resonance points | Naoki Yuda, Hiroshi Takahashi, Makoto Fujikawa | 2002-12-17 |
| 6492886 | Laminated filter, duplexer, and mobile communication apparatus using the same | Toru Yamada, Makoto Fujikawa | 2002-12-10 |
| 6366564 | Diplexer duplexer and two-channel mobile communications equipment | Masahiro Hiraka, Hidenori Katsumura, Ryuichi Saito, Naoki Yuda, Shigeo Hurukawa +1 more | 2002-04-02 |
| 6326863 | Matching circuit chip, filter with matching circuit, duplexer and cellular phone | Toru Yamada, Naoki Yuda, Toshio Ishizaki, Hideaki Nakakubo, Makoto Fujikawa | 2001-12-04 |
| 6304156 | Laminated dielectric antenna duplexer and a dielectric filter | Toshio Ishizaki, Atsushi Sasaki, Yuki Satoh, Hideaki Nakakubo, Toshiaki Nakamura +2 more | 2001-10-16 |
| 6150898 | Low-pass filter with directional coupler and cellular phone | Naoki Yuda, Yoshikuni Fujihashi, Koji Hashimoto | 2000-11-21 |
| 6140891 | Dielectric laminated filter | Hideaki Nakakubo, Toshio Ishizaki, Toru Yamada, Shoichi Kitazawa | 2000-10-31 |