Issued Patents All Time
Showing 1–25 of 104 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9905904 | Artificial dielectric resonator and artificial dielectric filter using the same | Naoki Hama | 2018-02-27 |
| 9673500 | Artificial dielectric resonator and artificial dielectric filter using the same | Naoki Hama | 2017-06-06 |
| 9385409 | Multi-mode resonator/filter comprised of first and second columnar central conductors disposed within a cylindrical exterior conductor | — | 2016-07-05 |
| 8558622 | Radio frequency power amplifier | Takashi Uno, Kazuhiro Yahata | 2013-10-15 |
| 8525594 | Radio frequency amplifier circuit | Tomohide Kamiyama, Hiroshi Naitou, Takashi Uno, Kazuhiro Yahata | 2013-09-03 |
| 8451073 | Laminated RF device with vertical resonators having stack arrangement of laminated layers including dielectric layers | Michael Hoeft, Hideaki Nakakubo | 2013-05-28 |
| 8334733 | Left-handed filter for use in mobile phone provided with wide band and improved propagation characteristics | Masaya Tamura | 2012-12-18 |
| 8330085 | Spread-spectrum high-frequency heating device | Toshiyuki Okajima, Kazuhiro Yahata, Takashi Uno | 2012-12-11 |
| 8248190 | Resonator and filter using the same | Masaya Tamura | 2012-08-21 |
| 8222975 | Transmission line resonator, high-frequency filter using the same, high-frequency module, and radio device | Masaya Tamura | 2012-07-17 |
| 7911350 | Alcohol detection system | Rihito Shoji, Junichi Yukawa, Fumiyasu Konno | 2011-03-22 |
| 7629862 | Composite duplexer | Yuki Satoh, Naoki Yuda, Koji Hashimoto | 2009-12-08 |
| 7479847 | Filter using piezoelectric resonator | Takehiko Yamakawa, Hiroshi Yamaguchi, Hiroshi Nakatsuka, Hiroyuki Nakamura, Keiji Onishi | 2009-01-20 |
| 7324493 | 3-frequency branching circuit, branching circuit and radio communication equipment | Toru Yamada, Tsutomu Matsumura, Hiroyuki Nakamura, Kazuhide Uriu | 2008-01-29 |
| 7274570 | Electronic component mounting board, electronic component module, method of manufacturing electronic component mounting board, and communications equipment | — | 2007-09-25 |
| 7224240 | Balanced high-frequency filter, antenna duplexer, balanced high-frequency circuit and communication apparatus | Hiroyuki Nakamura, Toshifumi Nakatani | 2007-05-29 |
| 7176768 | Balanced high-frequency device and balanced high-frequency circuit using the same | Hiroyuki Nakamura, Toshifumi Nakatani | 2007-02-13 |
| 7138888 | Filter using piezoelectric resonator | Takehiko Yamakawa, Hiroshi Yamaguchi, Hiroshi Nakatsuka, Hiroyuki Nakamura, Keiji Onishi | 2006-11-21 |
| 7127215 | Transmitting/receiving switch | Hiroyuki Nakamura, Makoto Sakakura, Jyunichi Yoshizumi | 2006-10-24 |
| 7109531 | High frequency switch, two-band type high frequency switch, three-band type high frequency switch, and mobile communication equipment | Shoichi Kitazawa, Masaharu Tanaka, Toru Yamada | 2006-09-19 |
| 7106152 | Dielectric resonator, dielectric filter, and method of supporting dielectric resonance element | Takehiko Yamakawa | 2006-09-12 |
| 7054608 | Multilayer electronic component and communication apparatus and method | Takehiko Yamakawa, Toru Yamada, Shoichi Kitazawa, Tomoyuki Iwasaki | 2006-05-30 |
| 7038557 | Antenna duplexer and mobile communication device using the same | Hiroyuki Nakamura, Hisashi Adachi, Makoto Sakakura, Hiroaki Kosugi, Hiroyuki Itokawa +1 more | 2006-05-02 |
| 7027777 | High frequency switch and high frequency radio communication apparatus | Kazuhide Uriu, Hideaki Nakakubo, Toru Yamada | 2006-04-11 |
| 6995636 | In-band-flat-group-delay type dielectric filter and linearized amplifier using the same | Takehiko Yamakawa, Toru Yamada, Minoru Tachibana, Toshiaki Nakamura, Hiroyuki Nakamatsu | 2006-02-07 |