Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7477115 | Piezoelectric resonator, method of manufacturing piezoelectric resonator, and filter, duplexer, and communication device using piezoelectric resonator | Hiroshi Nakatsuka, Keiji Onishi, Hiroyuki Nakamura, Hiroshi Yamaguchi | 2009-01-13 |
| 7417360 | Piezoelectric resonator and method for producing the same | Tomohide Kamiyama, Keiji Onishi, Hiroshi Nakatsuka, Tomohiro Iwasaki | 2008-08-26 |
| 7301420 | Piezoelectric resonator filter | Hiroshi Yamaguchi, Hiroshi Nakatsuka, Hiroyuki Nakamura, Keiji Onishi | 2007-11-27 |
| 7259498 | Piezoelectric resonator, filter, and duplexer | Hiroshi Nakatsuka, Keiji Onishi, Hiroyuki Nakamura | 2007-08-21 |
| 7242130 | Piezoelectric device, antenna duplexer, and method of manufacturing piezoelectric resonators used therefor | Hiroyuki Nakamura, Keiji Onishi, Hiroshi Nakatsuka, Hiroshi Yamaguchi | 2007-07-10 |
| 7230367 | Piezoelectric resonator, production method thereof, filter, duplexer, and communication device | Hiroshi Yamaguchi, Hiroshi Nakatsuka, Keiji Onishi, Hiroyuki Nakamura | 2007-06-12 |
| 7230511 | Thin film bulk acoustic resonator, method for producing the same, filter, composite electronic component device, and communication device | Keiji Onishi, Hiroyuki Nakamura, Hiroshi Nakatsuka | 2007-06-12 |
| 7138888 | Filter using piezoelectric resonator | Hiroshi Yamaguchi, Hiroshi Nakatsuka, Hiroyuki Nakamura, Keiji Onishi, Toshio Ishizaki | 2006-11-21 |
| 7113055 | Piezoelectric resonator, method of manufacturing piezoelectric resonator, and filter, duplexer, and communication device using piezoelectric resonator | Hiroshi Nakatsuka, Keiji Onishi, Hiroyuki Nakamura, Hiroshi Yamaguchi | 2006-09-26 |
| 7106152 | Dielectric resonator, dielectric filter, and method of supporting dielectric resonance element | Toshio Ishizaki | 2006-09-12 |
| 7054608 | Multilayer electronic component and communication apparatus and method | Toshio Ishizaki, Toru Yamada, Shoichi Kitazawa, Tomoyuki Iwasaki | 2006-05-30 |
| 6995636 | In-band-flat-group-delay type dielectric filter and linearized amplifier using the same | Toru Yamada, Toshio Ishizaki, Minoru Tachibana, Toshiaki Nakamura, Hiroyuki Nakamatsu | 2006-02-07 |
| 6985712 | RF device and communication apparatus using the same | Toru Yamada, Toshio Ishizaki | 2006-01-10 |
| 6794959 | In-band-flat-group-delay type dielectric filter and linearized amplifier using the same | Toru Yamada, Toshio Ishizaki, Minoru Tachibana, Toshiaki Nakamura, Hiroyuki Nakamatsu | 2004-09-21 |
| 6707353 | Dielectric filter | Toru Yamada, Toshio Ishizaki, Akira Enokihara, Minoru Tachibana, Toshiaki Nakamura | 2004-03-16 |
| 6515559 | In-band-flat-group-delay type dielectric filter and linearized amplifier using the same | Toru Yamada, Toshio Ishizaki, Minoru Tachibana, Toshiaki Nakamura, Hiroyuki Nakamatsu | 2003-02-04 |