Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE43958 | Surface acoustic wave filter and saw filter package | Kazushige Noguchi, Satoshi Terada, Yoshikazu Kihara, Yoshiaki Fujita | 2013-02-05 |
| 7893794 | Branching filter package | Wataru Ohashi, Hajime Shimamura, Yoshiaki Fujita | 2011-02-22 |
| 7859362 | Branching filter package | Wataru Ohashi, Hajime Shimamura, Yoshiaki Fujita | 2010-12-28 |
| 7679472 | Branching filter package | Wataru Ohashi, Hajime Shimamura, Yoshiaki Fujita | 2010-03-16 |
| 7602263 | Branching filter package | Wataru Ohashi, Hajime Shimamura, Yoshiaki Fujita | 2009-10-13 |
| 7479845 | Branching filter package | Wataru Ohashi, Hajime Shimamura, Yoshiaki Fujita | 2009-01-20 |
| 7420440 | Transmitting filter including SAW resonators | Kenichi Anasako, Yoshiaki Fujita, Hisanori Ehara | 2008-09-02 |
| 7242271 | Saw filter circuit | — | 2007-07-10 |
| 7034392 | Duplexer | Akio Hirakawa, Yoshiaki Fujita | 2006-04-25 |
| 6960966 | Surface acoustic wave filter with attenuation poles | Kazushige Noguchi, Satoshi Terada, Wataru Ohashi | 2005-11-01 |
| 6937113 | Branching filter package | Wataru Ohashi, Hajime Shimamura, Yoshiaki Fujita | 2005-08-30 |
| 6911878 | Acoustic wave branching filter having transmitting filter with optimal power handling | Kenichi Anasako, Yoshiaki Fujita, Hisanori Ehara | 2005-06-28 |
| 6870440 | Saw branching filter with a branching filter circuit formed on the package | Yoshiaki Fujita, Hajime Shimamura | 2005-03-22 |
| 6861925 | Surface acoustic wave filter | Wataru Ohashi, Hisanori Ehara | 2005-03-01 |
| 6765456 | Surface acoustic wave duplexer and portable communication device using the same | Hisanori Ehara, Kazushige Noguchi, Satoshi Terada | 2004-07-20 |
| 6677835 | Saw filter with an attenuation pole including a band-pass ladder type of saw filter having a saw resonator | Kazushige Noguchi, Satoshi Terada, Yoshikazu Kihara, Yoshiaki Fujita | 2004-01-13 |
| 6489861 | Antenna duplexer with divided and grounded transmission line | Kazushige Noguchi, Satoshi Terada, Yoshiaki Fujita, Akira Mashimo | 2002-12-03 |
| 6377140 | Saw resonator filter with bridged-T configuration | Hisanori Ehara, Hajime Shimamura, Yoshiaki Fujita | 2002-04-23 |
| RE37639 | Surface-acoustic-wave filters with poles of attenuation created by impedance circuits | Hisanori Ehara, Kazushige Noguchi, Hajime Shimamura, Yoshio Okada | 2002-04-09 |
| 6222426 | Branching filter with a composite circuit of an LC circuit and a serial arm saw resonator | Yoshiaki Fujita, Hajime Shimamura | 2001-04-24 |
| 6208223 | Receiving filter of a saw separator with greater electrode interdigitated width in first stage parallel resonator | Hajime Shimamura, Yoshiaki Fujita, Masaaki Umezawa | 2001-03-27 |
| 5905418 | Surface-acoustic-wave filters with poles of attenuation created by impedance circuits | Hisanori Ehara, Kazushige Noguchi, Hajime Shimamura, Yoshio Okada | 1999-05-18 |
| 5715527 | Mobile communication device having an output power sensor succeeding a transmission filter | Hiroyuki Horii, Masao Iwata, Tsuyoshi Miyazawa, Koichiro Shimizu, Toshikazu Yasuoka +2 more | 1998-02-03 |
| 5525942 | LC-type dielectric filter and duplexer | Hiroyuki Horii, Kohichiro Shimizu, Toshikazu Yasuoka, Masao Iwata, Katsuhiko Gunji | 1996-06-11 |
| 5525954 | Stripline resonator | Katsuhiko Gunji, Toshikazu Yasuoka, Kohichiro Shimizu, Hiroyuki Horii, Yoshio Okada +2 more | 1996-06-11 |