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Committee Date Time Place Paper Title / Authors Abstract Paper #
AP 2018-05-18
Kumamoto Kumamoto Univ. A Post-Wall Waveguide Slot Array Antenna Laminated utilizing Plated Bumps
Satoshi Yamaguchi, Yukihiro Tahara, Toru Fukasawa, Naofumi Yoneda (Mitsubishi Electric Corp.) AP2018-35
 [more] AP2018-35
EMCJ 2015-03-06
Tokyo Kikai-Shinko-Kaikan Bldg. A Technique for Improving Isolation of Devices Using Surface-Mounted Resistors and a Metal Plate
Yasuo Morimoto, Takeshi Yuasa (Mitsubishi Electric), Kenji Maeda, Norio Takeuchi (Mitsubishi Electric Engineering), Yukihiro Tahara (Mitsubishi Electric) EMCJ2014-107
When RF-devices are enclosed in a large metal case, coupling between a circuit and another circuit via the resonant cavi... [more] EMCJ2014-107
MW, ICD 2015-03-06
Fukui University of Fukui A Waveguide Bandpass Filter with H-plane Coupled Extracted Cavities
Hidenori Yukawa, Kazuyoshi Yamashita, Shuji Nuimura, Tetsu Owada, Yukihiro Tahara (Mitsubishi Ele. Corp.) MW2014-219 ICD2014-132
Microwave filters are generally used to separate the transmit and receive signals in the antenna feed systems.Especially... [more] MW2014-219 ICD2014-132
MW, ICD 2015-03-06
Fukui University of Fukui Reduction of the Phase Deviation for Lumped-element Hybrid Matrix Consists of a Branch-line Hybrid and Rat-race Hybrids
Hidenori Ishibashi, Masayuki Hata, Hideki Fushimi, Takeshi Oshima, Yukihiro Tahara, Hiroaki Miyashita (MELCO) MW2014-220 ICD2014-133
A hybrid matrix circuit that consists of a 90 degree hybrid and 180 degree hybrids has been proposed as circular interfe... [more] MW2014-220 ICD2014-133
MW 2014-11-20
Nagasaki Nagasaki Univ. A Directivity Enhancement for Directional Couplers Using Additional Coupled Lines with Reverse-Phase Forward Couplings
Hideharu Yoshioka, Akimichi Hirota, Kazuya Yamamoto, Hidenori Ishibashi, Yukihiro Tahara (Mitsubishi Electric) MW2014-126
In a coupled-line directional coupler formed on thin multi-layered substrates, it is difficult to match coupled-line cha... [more] MW2014-126
AP 2014-06-12
Tokyo Kikai-Shinko-Kaikan Bldg. A Feed Circuit-integrated 4-Element Array Antenna Using Anisotropic Conductive Paste
Shimpei Akimoto, Takashi Yanagi, Toru Fukasawa, Hidenori Ishibashi, Yukihiro Tahara, Tetsu Owada, Hiroaki Miyashita (Mitsubishi Electric) AP2014-45
A multifunctional antenna typified by an array antenna is composed of each substrate suitable to an antenna and a feed c... [more] AP2014-45
MW 2014-03-04
Ehime Ehime University Waveguide Loop-type Directional Couplers Using a Coupling Conductor with Protuberances
Hidenori Ishibashi, Yukihiro Tahara, Hidenori Yukawa (Mitsubishi Electric), Manabu Kurihara (RSEC), Tetsu Owada, Moriyasu Miyazaki (Mitsubishi Electric) MW2013-199
The waveguide loop-type directional coupler is mainly used as power monitor of the waveguide circuits. It consists of a ... [more] MW2013-199
MW 2014-03-04
Ehime Ehime University A Power Combiner Allowing for the Variable Number of Input Ports
Akimichi Hirota, Yukihiro Tahara, Tetsu Owada, Yoshinori Yasunaga, Yuji Sakai, Moriyasu Miyazaki (Mitsubishi Electric) MW2013-200
A high power transmitter frequently consist of two or more amplifiers, and outputs of the amplifiers are combined by a p... [more] MW2013-200
MW 2013-03-07
Hiroshima Hiroshima Univ. A Power Divider with Insensitivity to Resistance Values Using a Parallely-loaded Resistor Pair
Akimichi Hirota, Yukihiro Tahara, Hidenori Yukawa, Tetsu Owada, Yoshitsugi Yamaguchi, Moriyasu Miyazaki (Mitsubishi Electric) MW2012-170
In realizing an isolation resistor of the Wilkinson power divider by a resistance film, characteristics of the Wilkinson... [more] MW2012-170
MW 2011-11-25
Okinawa   A High Directivity Broadband Coupler Using aλ/4 Micro-Strip Coupled Lines Coupler with Partially Reducing the Line Width
Motomi Abe, Yukihiro Tahara, Tetsu Owada (MitsubishiElectric) MW2011-117
A new quarter-wavelength microstrip coupled lines coupler (MSCL) with partially narrowing the line width and slotting th... [more] MW2011-117
MW, ED 2011-01-13
Tokyo Kikai-Shinko-Kaikan Bldg. Broadside Couplers using Offset-Coupled Lines with Adjacent Ground Through Holes in Multi-layered Substrate
Takeshi Yuasa, Yukihiro Tahara, Tetsu Owada, Naofumi Yoneda (Mitsubishi Electric Corp.) ED2010-177 MW2010-137
 [more] ED2010-177 MW2010-137
AP 2010-12-17
Tokyo Kikai-Shinko-Kaikan Bldg. Inclined slot array antennas on a rectangular coaxial line
Satoshi Yamaguchi, Yukihiro Tahara, Toru Takahashi, Tamotsu Nishino, Yoshihiko Konishi (Mitsubishi Electric Corp.) AP2010-120
 [more] AP2010-120
MW 2010-11-25
Okinawa Tiruru A Wide Band Forward Coupler with A balanced Composite Right-/Left-Handed Transmission Line
Akimichi Hirota, Yukihiro Tahara, Naofumi Yoneda (Mitsubishi Electric Corp.) MW2010-110
Various coupled-line backward couplers using composite right-/left-handed transmission lines (CRLH TLs) have been previo... [more] MW2010-110
EMT, OPE, MW, IEE-EMT [detail] 2010-07-30
Hokkaido Hokkaido Univ. A compact integrated 8x8 hybrid matrix using novel double-layer structure with coupled-lines hybrids
Motomi Abe, Yukihiro Tahara, Tetsu Owada, Takeshi Yuasa, Hideyuki Oh-hashi, Naofumi Yoneda (Mitsubishi Electric) MW2010-65 OPE2010-50
 [more] MW2010-65 OPE2010-50
MW 2009-12-18
Ishikawa Kanazawa Inst. of Tech. A Tandem 3-dB Hybrid Coupler Using Coupled Lines With Series Capacitance
Motomi Abe, Yukihiro Tahara, Naofumi Yoneda (Mitsubishi Electric Corporation) MW2009-154
A novel tandem 3-dB hybrid coupler using coupled lines with series capacitance is presented. The desired coupling hybrid... [more] MW2009-154
MW 2009-11-20
Kagoshima Tanegashima A Design Method of A Composite Right-/Left-Handed Transmission Line Forward Coupler with Shared Short Stubs
Akimichi Hirota, Yukihiro Tahara, Naofumi Yoneda (Mitsubishi Electric Corp.) MW2009-141
Various coupled-line backward couplers using composite right-/left-handed transmission lines (CRLH TLs) have been previo... [more] MW2009-141
EMCJ, MW, IEE-MAG 2009-10-22
Iwate Iwate Univ. A 2-section Wilkinson power divider with intersectional capacitive elements for compensating the length of resistive films
Takeshi Yuasa, Koichi Shigenaga, Yukihiro Tahara, Tetsu Owada, Naofumi Yoneda (Mitsubishi Electric Corp.) EMCJ2009-49 MW2009-98
A multi-section Wilkinson power divider is used as broadband power dividers/combiners for many microwave applications. A... [more] EMCJ2009-49 MW2009-98
MW 2009-06-30
Aichi Nagoya Institute of Technology A Branch-Line Quadrature Hybrid with Multiple Spurious Suppressions
Yukihiro Tahara, Tomoya Matsuda, Naofumi Yoneda (Mitsubishi Electric Corp.) MW2009-25
Branch-line quadrature hybrids are widely used for various microwave applications such as antenna feed networks, power a... [more] MW2009-25
MW 2008-12-12
Toyama Toyama-Univ. Gofuku-camp. A millimeter wave multi-layered substrate-embedded termination tolerant to resistance variations of resistive film
Takeshi Yuasa, Yukihiro Tahara, Naofumi Yoneda, Hideyuki Oh-hashi (Mitsubishi Electric Electric Co.) MW2008-160
 [more] MW2008-160
MW 2008-12-12
Toyama Toyama-Univ. Gofuku-camp. A Millimeter-wave Reduced-sized Power Divider with Shunt Capacitors Embedded in Multilayered Substrates
Yukihiro Tahara, Takeshi Yuasa (Mitsubishi Electric.Co.), Kenji Nagase (Mitsubishi Electric Engineering. Co Ltd.), Naofumi Yoneda (Mitsubishi Electric.Co.) MW2008-161
Various reduced-sized Wilkinson power dividers loaded with capacitors or stubs have been reported. In this report, a com... [more] MW2008-161
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