Committee 
Date Time 
Place 
Paper Title / Authors 
Abstract 
Paper # 
MW, AP (Joint) 
20200924 15:40 
Online 
Online 
Fundamental Study on Calculation of S11 for a Coaxialloaded Type Stepped Cutoff Circular Waveguide Based on the Method of Moments Kouji Shibata (Hachinohe Inst. of Tech.) 
(To be available after the conference date) [more] 

AP, SANE, SAT (Joint) 
20200716 13:00 
Online 
Online 
Numerical Analysis of Array Antennas Using Method of Moments Based on FarField Approximation of a Dyadic Green's Function in Free Space. Tsukasa Susuga, Keisuke Konno, Qiang Chen (Tohoku Univ.) AP202017 
The numerical analysis of a largescale array antenna is computationally expensive, so it is essential to speed up the c... [more] 
AP202017 pp.4549 
EMCJ, EMD, WPT (Joint) [detail] 
20200703 13:05 
Online 
Online 
Circuit Modeling of Wireless Power Transfer System Considering Scattering from Perfect Conductor Nozomi Haga (Gunma Univ.), Jerdvisanop Chakarothai (NICT), Keisuke Konno (Tohoku Univ.) WPT202015 
The impedance expansion method (IEM) is a circuitmodeling technique for electrically small devices based on the method ... [more] 
WPT202015 pp.16 
AP 
20191017 12:30 
Osaka 
Osaka Univ. 
[Poster Presentation]
FarField Approximation of a Dyadic Green's Function in Free Space and Its Application to Method of Moments Tsukasa Susuga, Keisuke Konno, Qiang Chen (Tohoku Univ.) AP201996 
Since the numerical analysis of largescale antennas using method of moments (MoM) is computationally expensive, reducti... [more] 
AP201996 pp.8588 
AP 
20191018 09:30 
Osaka 
Osaka Univ. 
A Study on a Fast Numerical Analysis Method for LargeScale Periodic Array Antennas on MultiLayered Media Keisuke Konno, Qiang Chen (Tohoku Univ.) AP201997 
In this report, a fast numerical analysis method for largescale periodic array antennas on multilayered media is discu... [more] 
AP201997 pp.8994 
EMCJ, EMD, WPT, PEM (Joint) [detail] 
20190719 15:35 
Tokyo 
KikaiShinkoKaikan Bldg. 
Circuit Modeling of a Wireless Power Transfer System by the Impedance Expansion Method Nozomi Haga (Gunma Univ.), Masaharu Takahashi (Chiba Univ.) WPT201924 
The impedance expansion method (IEM) is a circuit modeling technique for electrically very small devices based on the me... [more] 
WPT201924 pp.1317 
US 
20190617 16:00 
Tokyo 
Akihabara satellite campus, Tokyo Metropolitan University 
Evaluation of liver fibrosis with high estimation accuracy by using moments of the probability density function of echo envelope in complex space Chuang Zhang, Shinnosuke Hirata, Hiroyuki Hachiya (Tokyo Tech.) US201924 
We have been developing a quantitative estimation method of liver fibrosis using multiRayleigh model to express a proba... [more] 
US201924 pp.2530 
WPT 
20190611 12:05 
Hokkaido 
Hokkaido Univ. 
PassiveElement Circuit Model of a Wireless Power Transfer System Nozomi Haga (Gunma Univ.), Masaharu Takahashi (Chiba Univ.) WPT201921 
The impedance expansion method (IEM) is a circuit modeling technique for electrically very small devices based on the me... [more] 
WPT201921 pp.5761 
AP 
20190221 13:05 
Osaka 
Sumitomo Electric Industries (Osaka Works) 
[Invited Lecture]
Design of Parallel Plate Slot Array by Method of Moments Analysis Considering Higher Order Distribution of Equivalent Magnetic Current on Slot Aperture Koh Hashimoto, Makoto Higaki (Toshiba) AP2018170 
Parallel plate slot array antennas are known for their highgain and highefficiency characteristics. A radiating slot p... [more] 
AP2018170 pp.16 
AP 
20181213 15:20 
Tokyo 
KikaiShinkoKaikan Bldg. 
A Study on Source Reconstruction Method for Array Antenna Using Eigenmode Current Keisuke Konno, Qiang Chen (Tohoku Univ.) AP2018150 
In this report, a source reconstruction method for array antennas using eigenmode currents is presented. The eigenmode c... [more] 
AP2018150 pp.2731 
AP 
20180308 15:10 
Gunma 
Hotel Ichii (Kusatsu, Gunma) 
[Tutorial Lecture]
Impedance Expansion Method
 A CircuitModeling Technique for ElectricallyVerySmall Devices Based on the Method of Moments  Nozomi Haga (Gunma Univ.), Masaharu Takahashi (Chiba Univ.) AP2017194 
The authors have proposed a circuitmodeling technique for electricallyverysmall devices called the impedance expansio... [more] 
AP2017194 pp.1318 
AP 
20180216 13:05 
Tokyo 
Kozo Keikaku Engineering, Inc. 
[Invited Lecture]
Radar Cross Section Analysis of Large Finite Periodic Structure with the use of Element Pattern Tai Tanaka, Michio Takikawa, Yoshio Inasawa, Naofumi Yoneda, Hiroaki Miyashita (Mitsubishi Electric Corporation) AP2017183 
We propose a simple method to analyze radar cross section of a large scale periodic structure composed of finite number ... [more] 
AP2017183 pp.4145 
WPT, EMCJ (Joint) 
20171121 13:00 
Tokyo 
KikaiShinkoKaikan Bldg. 
Analysis of a Wireless Power Transfer System by the Impedance Expansion Method Nozomi Haga (Gunma Univ.), Masaharu Takahashi (Chiba Univ.) WPT201747 
The impedance expansion method (IEM), which was previously proposed by the authors, is a circuitmodeling technique for ... [more] 
WPT201747 pp.1520 
WPT, EMCJ (Joint) 
20171121 13:25 
Tokyo 
KikaiShinkoKaikan Bldg. 
Circuit Modeling of a Wireless Power Transfer System by the Impedance Expansion Method Nozomi Haga (Gunma Univ.), Masaharu Takahashi (Chiba Univ.) WPT201748 
The impedance expansion method (IEM), which was previously proposed by the authors, is a circuitmodeling technique for ... [more] 
WPT201748 pp.2126 
EMT, IEEEMT 
20171109 14:25 
Yamagata 
Tendo Hotel (Tendo, Yamagata) 
Magnetic Field Integral Equation for Computer Simulation of Three Dimensional Waveguide Masahiro Tanaka (Gifu Univ.) EMT201755 
We derive a magnetic field integral equation for a threedimensional waveguide composed of rectangular waveguides. Subst... [more] 
EMT201755 pp.9195 
EE, WPT, IEESPC [detail] 
20170727 13:00 
Tokyo 
KikaiShinkoKaikan Bldg. 
Circuit Modeling of ElectricallyVerySmall Devices Based on Laurent Series Expansion of Self/Mutual Impedances Nozomi Haga (Gunma Univ.), Masaharu Takahashi (Chiba Univ.) EE201714 WPT201719 
This report proposes a circuit modeling technique for electricallyverysmall devices, e.g. electrodes for intrabody com... [more] 
EE201714 WPT201719 pp.3136 
EE, WPT, IEESPC [detail] 
20170727 13:25 
Tokyo 
KikaiShinkoKaikan Bldg. 
Passive Element Approximation of Equivalent Circuits Obtained by the Impedance Expansion Method Nozomi Haga (Gunma Univ.), Masaharu Takahashi (Chiba Univ.) EE201715 WPT201720 
The impedance expansion method (IEM), which was previously proposed by the authors, is the circuit modeling technique fo... [more] 
EE201715 WPT201720 pp.3741 
AP 
20170316 14:25 
Iwate 
Iwate Univ. 
Far Field Estimation on the Earth using Real Source Information Derived by Near Field Yasuyuki Matsuda, Hiroyuki Arai (Yokohama Natl. Univ.) AP2016185 
This paper presents a method of far field estimation on the earth by near field. The proposed method derives real source... [more] 
AP2016185 pp.4346 
EMT, IEEEMT 
20161118 10:50 
Wakayama 
Shirahama Coganoi Resort & Spa 
Improved PrimaryCharacteristic Basis Function Method Considering Multiple Scattering Tai Tanaka, Yoshio Inasawa, Yasuhiro Nishioka, Hiroaki Miyashita (Mitsubishi Electric) EMT201662 
We propose novel improved primarycharacteristic basis function method (IPCBFM) for the high accuracy analysis of radar... [more] 
EMT201662 pp.163166 
AP 
20160520 14:15 
Hyogo 
kobe Univ. 
Two by Two MIMO Antenna Composed of Unbalanced Fed Inverted L Elements Printed on Dielectric Substrate Shoji Mori, Mitsuo Taguchi (Nagasaki Univ.) AP201627 
Two by two MIMO antenna composed of two inverted L antennas is proposed and numerically analyzed. This antenna is numeri... [more] 
AP201627 pp.6164 