Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7268648 | Dual mode band-pass filter | Hisatake Okamura, Naoki Mizoguchi | 2007-09-11 |
| 7239221 | Dual mode band-pass filter | Hisatake Okamura, Naoki Mizoguchi | 2007-07-03 |
| 7119639 | Dual mode band-pass filter | Hisatake Okamura, Naoki Mizoguchi | 2006-10-10 |
| 7098760 | Dual mode band-pass filter | Hisatake Okamura, Naoki Mizoguchi | 2006-08-29 |
| 6977564 | Bandpass filter | Naoki Mizoguchi, Hisatake Okamura | 2005-12-20 |
| 6812813 | Method for adjusting frequency of attenuation pole of dual-mode band pass filter | Naoki Mizoguchi, Hisatake Okamura | 2004-11-02 |
| 6771148 | Dual mode band-pass filter | Hisatake Okamura, Naoki Mizoguchi | 2004-08-03 |
| 6727783 | Method of producing band-pass filter and band-pass filter | Naoki Mizoguchi, Hisatake Okamura | 2004-04-27 |
| 6720848 | Dual mode band-pass filter having coupled modes | Hisatake Okamura, Naoki Mizoguchi | 2004-04-13 |
| 6608537 | Band-pass filter | Naoki Mizoguchi, Hisatake Okamura, Harufumi Mandai | 2003-08-19 |
| 6580342 | Method of producing band-pass filter and band-pass filter | Naoki Mizoguchi, Hisatake Okamura | 2003-06-17 |
| 6563403 | Dual mode band-pass filter | Naoki Mizoguchi, Hisatake Okamura, Osamu Chikagawa, Naoya Mori, Yasutaka Sugimoto | 2003-05-13 |
| 6556108 | Method of producing band-pass filter and band-pass filter | Naoki Mizoguchi, Hisatake Okamura | 2003-04-29 |
| 6556109 | Dual mode band pass filter | Naoki Mizoguchi, Hisatake Okamura, Harufumi Mandai | 2003-04-29 |
| 6442399 | Mobile communication apparatus | Teruhisa Tsuru, Harufumi Mandai, Koji Shiroki, Kenji Asakura | 2002-08-27 |
| 6288680 | Antenna apparatus and mobile communication apparatus using the same | Teruhisa Tsuru, Toshifumi Oida, Harufumi Mandai | 2001-09-11 |
| 6271803 | Chip antenna and radio equipment including the same | Kunihiro Watanabe, Teruhisa Tsuru, Tsuyoshi Suesada, Yujiro Dakeya | 2001-08-07 |
| 6222489 | Antenna device | Teruhisa Tsuru, Harufumi Mandai, Koji Shiroki, Kenji Asakura | 2001-04-24 |
| 6111544 | Chip antenna, antenna device, and mobile communication apparatus | Yujiro Dakeya, Teruhisa Tsuru, Tsuyoshi Suesada | 2000-08-29 |
| 6075491 | Chip antenna and mobile communication apparatus using same | Yujiro Dakeya, Teruhisa Tsuru, Tsuyoshi Suesada | 2000-06-13 |
| 6052096 | Chip antenna | Teruhisa Tsuru, Harufumi Mandai, Koji Shiroki, Kenji Asakura | 2000-04-18 |
| 6031731 | Mobile communication apparatus having a selecting plate mounted on circuit board | Tsuyoshi Suesada, Yujiro Dakeyo, Teruhisa Tsuru | 2000-02-29 |
| 5999146 | Antenna device | Tsuyoshi Suesada, Teruhisa Tsuru, Harufumi Mandai | 1999-12-07 |
| 5977927 | Chip antenna | Harufumi Mandai, Kenji Asakura, Teruhisa Tsuru, Tsuyoshi Suesada | 1999-11-02 |
| 5973651 | Chip antenna and antenna device | Tsuyoshi Suesada, Teruhisa Tsuru | 1999-10-26 |