Issued Patents All Time
Showing 1–25 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10649000 | Connection assembly | Takahiro Shinohara, Hitoshi Yoshida, Kazuo Goda, Rie Okamoto, Masako Yamaguchi +6 more | 2020-05-12 |
| 10534013 | Sensor | Yuki Maegawa, Hideki Ueda, Hideaki Fujiura, Takeshi Uemura, Tsuyoshi Sakaue +2 more | 2020-01-14 |
| 9407172 | Vibration power generator | Takehiko Yamakawa, Yasuyuki Naito, Keiji Onishi, Kunihiko Nakamura, Michael Renaud +1 more | 2016-08-02 |
| 8933611 | Vibration power generator, vibration power generating device and communication device having vibration power generating device mounted thereon | Masaaki Kuranuki, Keiji Onishi | 2015-01-13 |
| 8803401 | Vibration power generator, vibration power generating device, and electronic device and communication device that have the vibration power generating device installed | Keiji Onishi | 2014-08-12 |
| 8716916 | Vibration generator, vibration generation device, and electronic equipment and communication device provided with vibration generation device | Hiroki Takeuchi, Keiji Onishi | 2014-05-06 |
| 8710712 | Vibration power generator and vibration power generation device, and communication device and electronic equipment with vibration power generation device | Yasuyuki Naito, Keiji Onishi | 2014-04-29 |
| 8674582 | Vibration power generator, vibration power generating device and communication device having vibration power generating device mounted thereon | Keiji Onishi, Koji Nomura | 2014-03-18 |
| 8653717 | Vibration power generator, vibration power generating device, and electronic device and communication device having vibration power generating device mounted thereon | Keiji Onishi | 2014-02-18 |
| 8564170 | Vibration power generator, vibration power generation apparatus, and electric device and communication device with vibration power generation apparatus mounted thereon | Hiroki Takeuchi, Keiji Onishi | 2013-10-22 |
| 8306499 | High-frequency filter | Takehiko Yamakawa, Toshiyuki Okajima, Keiji Onishi | 2012-11-06 |
| 8288917 | Silicon oxide electret electrode with laminate insulating film surrounding short conductive film | Keiji Onishi, Koji Nomura | 2012-10-16 |
| 8289103 | Filter device having attenuation poles | Takehiko Yamakawa, Toshiyuki Okajima, Keiji Onishi | 2012-10-16 |
| 8115577 | Electromechanical switch, filter using the same, and communication apparatus | Yasuyuki Naito, Keiji Onishi | 2012-02-14 |
| 8049581 | Piezoelectric filter and method for manufacturing the same | Tomohiro Iwasaki, Keiji Onishi | 2011-11-01 |
| 8022794 | Micromachine switch, filter circuit, duplexer circuit, and communication device | Takehiko Yamakawa, Keiji Onishi | 2011-09-20 |
| 7986198 | Frequency-variable acoustic thin film resonator, filter and communication apparatus using the same | Takehiko Yamakawa, Keiji Onishi | 2011-07-26 |
| 7893793 | Film bulk acoustic wave resonator and method for manufacturing the same | Tomohiro Iwasaki, Keiji Onishi, Takehiko Yamakawa, Tomohide Kamiyama | 2011-02-22 |
| RE42009 | Piezoelectric resonator having a spurious component control layer, filter using the piezoelectric resonator, and duplexer using the piezoelectric resonator | Keiji Onishi, Hiroyuki Nakamura, Takehiko Yamakawa | 2010-12-28 |
| 7719390 | Dual mode piezoelectric filter, method of manufacturing the same, high frequency circuit component and communication device using the same | Tomohiro Iwasaki, Keiji Onishi, Takehiko Yamakawa, Tomohide Kamiyama | 2010-05-18 |
| 7701117 | Acoustic resonator and filter | Keiji Onishi, Hiroyuki Nakamura, Tomohiro Iwasaki, Naohiro Tsurumi | 2010-04-20 |
| 7675389 | Piezoelectric resonator, piezoelectric filter, and duplexer and communication device using the same | Takehiko Yamakawa, Keiji Onishi | 2010-03-09 |
| 7667558 | Thin film elastic wave resonator | Tomohiro Iwasaki, Keiji Onishi | 2010-02-23 |
| 7639103 | Piezoelectric filter, antenna duplexer, and communications apparatus employing piezoelectric resonator | Takehiko Yamakawa, Tomohide Kamiyama, Tomohiro Iwasaki, Keiji Onishi | 2009-12-29 |
| 7623007 | Device including piezoelectric thin film and a support having a vertical cross-section with a curvature | Keiji Onishi, Takehiko Yamakawa, Tomohiro Iwasaki, Tomohide Kamiyama | 2009-11-24 |