KO

Keiji Onishi

Sumitomo Electric Industries: 53 patents #143 of 21,551Top 1%
PA Panasonic: 34 patents #418 of 21,108Top 2%
CL Central Glass Company, Limited: 1 patents #505 of 968Top 55%
SN Stichting Imec Nederland: 1 patents #75 of 183Top 45%
Overall (All Time): #18,883 of 4,157,543Top 1%
88
Patents All Time

Issued Patents All Time

Showing 26–50 of 88 patents

Patent #TitleCo-InventorsDate
7701311 Antenna duplexer, and RF module and communication apparatus using the same Hiroyuki Nakamura, Tomohiro Iwasaki 2010-04-20
7675389 Piezoelectric resonator, piezoelectric filter, and duplexer and communication device using the same Takehiko Yamakawa, Hiroshi Nakatsuka 2010-03-09
7667558 Thin film elastic wave resonator Hiroshi Nakatsuka, Tomohiro Iwasaki 2010-02-23
7639103 Piezoelectric filter, antenna duplexer, and communications apparatus employing piezoelectric resonator Takehiko Yamakawa, Tomohide Kamiyama, Tomohiro Iwasaki, Hiroshi Nakatsuka 2009-12-29
7623007 Device including piezoelectric thin film and a support having a vertical cross-section with a curvature Hiroshi Nakatsuka, Takehiko Yamakawa, Tomohiro Iwasaki, Tomohide Kamiyama 2009-11-24
7579931 Surface acoustic wave filter element, surface acoustic wave filter and communication device using the same Hiroyuki Nakamura, Akio Tsunekawa, Shigeru Tsuzuki 2009-08-25
7531943 Acoustic resonator and filter Hiroshi Nakatsuka, Hiroyuki Nakamura, Tomohiro Iwasaki 2009-05-12
7479847 Filter using piezoelectric resonator Takehiko Yamakawa, Hiroshi Yamaguchi, Hiroshi Nakatsuka, Hiroyuki Nakamura, Toshio Ishizaki 2009-01-20
7477115 Piezoelectric resonator, method of manufacturing piezoelectric resonator, and filter, duplexer, and communication device using piezoelectric resonator Hiroshi Nakatsuka, Hiroyuki Nakamura, Takehiko Yamakawa, Hiroshi Yamaguchi 2009-01-13
7446629 Antenna duplexer, and RF module and communication apparatus using the same Hiroyuki Nakamura, Tomohiro Iwasaki 2008-11-04
7446455 Thin film elastic wave resonator Tomohiro Iwasaki, Hiroshi Nakatsuka 2008-11-04
7417360 Piezoelectric resonator and method for producing the same Tomohide Kamiyama, Hiroshi Nakatsuka, Takehiko Yamakawa, Tomohiro Iwasaki 2008-08-26
7414495 Coupled FBAR filter Tomohiro Iwasaki, Hiroshi Nakatsuka, Hiroyuki Nakamura 2008-08-19
7408429 Coupled FBAR filter Tomohiro Iwasaki, Hiroshi Nakatsuka, Hiroyuki Nakamura 2008-08-05
7370396 Method for manufacturing an electronic component Akihiko Namba, Katsu Takeda 2008-05-13
7301420 Piezoelectric resonator filter Hiroshi Yamaguchi, Takehiko Yamakawa, Hiroshi Nakatsuka, Hiroyuki Nakamura 2007-11-27
7259498 Piezoelectric resonator, filter, and duplexer Hiroshi Nakatsuka, Hiroyuki Nakamura, Takehiko Yamakawa 2007-08-21
7246421 Method for manufacturing surface acoustic wave device Akihiko Namba, Yasuhiro Sugaya, Katsunori Moritoki 2007-07-24
7242130 Piezoelectric device, antenna duplexer, and method of manufacturing piezoelectric resonators used therefor Hiroyuki Nakamura, Hiroshi Nakatsuka, Hiroshi Yamaguchi, Takehiko Yamakawa 2007-07-10
7235915 Acoustic resonator device, filter device, manufacturing method for acoustic resonator device, and communication apparatus Hiroyuki Nakamura, Hiroshi Nakatsuka, Tomohiro Iwasaki 2007-06-26
7230511 Thin film bulk acoustic resonator, method for producing the same, filter, composite electronic component device, and communication device Hiroyuki Nakamura, Hiroshi Nakatsuka, Takehiko Yamakawa 2007-06-12
7230367 Piezoelectric resonator, production method thereof, filter, duplexer, and communication device Hiroshi Yamaguchi, Hiroshi Nakatsuka, Takehiko Yamakawa, Hiroyuki Nakamura 2007-06-12
7224105 Piezoelectric element, composite piezoelectric element, and filter, duplexer and communication equipment using the same Hiroyuki Nakamura, Hiroshi Nakatsuka 2007-05-29
7170215 Electronic component and method for manufacturing the same Akihiko Namba, Katsu Takeda 2007-01-30
7138888 Filter using piezoelectric resonator Takehiko Yamakawa, Hiroshi Yamaguchi, Hiroshi Nakatsuka, Hiroyuki Nakamura, Toshio Ishizaki 2006-11-21