Issued Patents All Time
Showing 1–25 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815046 | Method of producing ceramic multilayer substrate | Norio Sakai, Isao Kato, Atsushi Kumano | 2004-11-09 |
| 6640095 | Frequency multiplier and wireless device incorporating same | Norio Nakajima | 2003-10-28 |
| 6608537 | Band-pass filter | Seiji Kanba, Naoki Mizoguchi, Hisatake Okamura | 2003-08-19 |
| 6556109 | Dual mode band pass filter | Seiji Kanba, Naoki Mizoguchi, Hisatake Okamura | 2003-04-29 |
| 6525626 | Duplexer and mobile communication device using the same | Jun Sasaki, Noboru Kato, Sadayuki Matsumura, Hiroaki Tsumori | 2003-02-25 |
| 6456836 | Frequency multiplier and wireless device incorporating same | Norio Nakajima | 2002-09-24 |
| 6442399 | Mobile communication apparatus | Teruhisa Tsuru, Koji Shiroki, Kenji Asakura, Seiji Kanba | 2002-08-27 |
| 6432239 | Method of producing ceramic multilayer substrate | Norio Sakai, Isao Kato, Atsushi Kumano | 2002-08-13 |
| 6429753 | High-frequency filter, complex electronic component using the same, and portable radio apparatus using the same | Teruhisa Tsuru, Tomoya Bando, Ken Tonegawa, Norihiro Shimada | 2002-08-06 |
| 6424233 | Complex electronic component with a first multilayer filter having a cavity in which a second filter is mounted | Ken Tonegawa, Tomoya Bando | 2002-07-23 |
| 6342858 | Portable terminal device with chip antenna | Yujiro Dakeya, Kunihiro Watanabe, Teruhisa Tsuru | 2002-01-29 |
| 6329961 | Antenna and resonant-frequency-adjustment method therefor | Teruhisa Tsuru | 2001-12-11 |
| 6288680 | Antenna apparatus and mobile communication apparatus using the same | Teruhisa Tsuru, Seiji Kanba, Toshifumi Oida | 2001-09-11 |
| 6252778 | Complex electronic component | Ken Tonegawa, Tomoya Bando | 2001-06-26 |
| 6222489 | Antenna device | Teruhisa Tsuru, Koji Shiroki, Kenji Asakura, Seiji Kanba | 2001-04-24 |
| 6069541 | High-frequency filter, with an inductor for forming a pole, complex electronic component using the same, and portable radio apparatus using the same | Teruhisa Tsuru, Tomoya Bando, Ken Tonegawa | 2000-05-30 |
| 6069538 | Impedance stabilizing unit and high-frequency module using the unit | Norio Nakajima, Takahiro Watanabe, Tomonori Ito, Satoshi Ishino | 2000-05-30 |
| 6064351 | Chip antenna and a method for adjusting frequency of the same | Teruhisa Tsuru | 2000-05-16 |
| 6054956 | Antenna unit having power radiation conductor | Teruhisa Tsuru | 2000-04-25 |
| 6052096 | Chip antenna | Teruhisa Tsuru, Koji Shiroki, Kenji Asakura, Seiji Kanba | 2000-04-18 |
| 6034640 | Antenna device | Toshifumi Oida, Teruhisa Tsuru, Yoshihiro Yoshimoto | 2000-03-07 |
| 6028554 | Mobile image apparatus and an antenna apparatus used for the mobile image apparatus | Teruhisa Tsuru, Toshifumi Oida | 2000-02-22 |
| 6028568 | Chip-antenna | Kenji Asakura, Toshifumi Oida | 2000-02-22 |
| 5999146 | Antenna device | Seiji Kanba, Tsuyoshi Suesada, Teruhisa Tsuru | 1999-12-07 |
| 5977927 | Chip antenna | Kenji Asakura, Teruhisa Tsuru, Seiji Kanba, Tsuyoshi Suesada | 1999-11-02 |