Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10193518 | Radio-frequency (RF) component | — | 2019-01-29 |
| 10171059 | Composite component and front-end module | — | 2019-01-01 |
| 9728831 | Non-reciprocal circuit element | — | 2017-08-08 |
| 9406989 | Two-port non-reciprocal circuit element | — | 2016-08-02 |
| 9019034 | Non-reciprocal circuit element | — | 2015-04-28 |
| 8354891 | Nonreciprocal circuit element | Yoshiki Yamada | 2013-01-15 |
| 7453326 | Nonreciprocal circuit device | — | 2008-11-18 |
| 7239214 | Two-port non-reciprocal circuit device and communication apparatus | — | 2007-07-03 |
| 6992540 | Two-port isolator and communication device | — | 2006-01-31 |
| 6646517 | Nonreciprocal circuit device and communication device having only two ports | Satoru Shimmura, Makoto Kawashima | 2003-11-11 |
| 6559732 | Nonreciprocal circuit device with main surfaces of the ferrite and magnet perpendicular to the mounting substrate | Toshihiro Makino, Hiroshi Asai, Takekazu Okada | 2003-05-06 |
| 6522216 | Nonreciprocal circuit device and communication apparatus | Toshihiro Makino | 2003-02-18 |
| 6235341 | Method of preparing a high frequency dielectric filter device using screen printing | — | 2001-05-22 |
| 6052040 | Dielectric duplexer with different capacitive coupling between antenna pad and transmitting and receiving sections | — | 2000-04-18 |
| 6023207 | Dielectric filter and method for adjusting resonance frequency of the same | Kenji Ito | 2000-02-08 |
| 5949308 | Dielectric filter and method of regulating its frequency bandwidth via at least one insulation gap | — | 1999-09-07 |
| 5929726 | Dielectric filter device | Kenji Ito | 1999-07-27 |
| 5926078 | Dielectric filter including various means of adjusting the coupling between resonators | Shoji Ono, Masaki Shibata | 1999-07-20 |
| 5864264 | Dielectric filter | — | 1999-01-26 |
| 5859575 | Dielectric filter | — | 1999-01-12 |
| 5841332 | Dielectric filter and method of adjusting central frequency of the same | — | 1998-11-24 |
| 5831495 | Dielectric filter including laterally extending auxiliary through bores | — | 1998-11-03 |
| 5821835 | Dielectric filter and method of regulating its frequency bandwidth | — | 1998-10-13 |
| 5818311 | Dielectric filter including trimming electrodes | — | 1998-10-06 |
| 5365208 | Microwave stripline filter formed from a pair of dielectric substrates | Kenji Ito, Hiroyuki Shimizu | 1994-11-15 |