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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 27  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
MWPTHz, EST, MW, EMT, OPE, IEE-EMT [detail] 2022-07-19
10:50
Hokkaido Asahikawa Civic Culture Hall
(Primary: On-site, Secondary: Online)
Experimental Test on Circularly Polarized Horn Antenna with Parasitic Elements
Ryo Kumagai, Sota Nakano, Tomoki Uwano, Ryosuke Suga (Aoyama Gakuin Univ.) EMT2022-10 MW2022-34 OPE2022-13 EST2022-11 MWPTHz2022-8
The author has been proposing a circularly polarized rectangular horn antenna using parasitic elements array and its cha... [more] EMT2022-10 MW2022-34 OPE2022-13 EST2022-11 MWPTHz2022-8
pp.13-17
EMCJ 2022-01-21
13:50
Online Online An Analysis on Normal and Common Mode Surges in Motor Drive System
Haruki Kuwajima, Ryosuke Suga (Aoyama Univ.), Kohei Hasegawa, Takenori Yasuzumi (Toshiba corp.), Tomoki Uwano, Osamu Hashimoto (Aoyama Univ.) EMCJ2021-67
 [more] EMCJ2021-67
pp.34-39
EST 2021-05-20
13:50
Online Online A Study on Impedance Improvement of Normal Mode Helical Antenna Placed on Conductor Plate
Sota Nakano, Ryosuke Suga, Tomoki Uwano, Osamu Hashimoto (Aoyama Gakuin Univ.) EST2021-3
In this research, the impedance characteristics of a normal mode helical antenna (NMHA) placed on a ground conductor pla... [more] EST2021-3
pp.11-14
EST 2021-01-21
16:00
Online Online A Study on Phase Improvement on Radiated Electric Field of Circularly Polarized Horn Antenna Using Parasitic Elements
Ukyo Nakazawa, Ryosuke Suga (Aoyama Gakuin Univ.), Tomoki Uwano (Office Uwano), Osamu Hashimoto (Aoyama Gakuin Univ.) EST2020-63
 [more] EST2020-63
pp.56-61
EMCJ, IEE-EMC, IEE-SPC 2020-12-11
14:15
Online Online Equivalent Circuit Model of a Toroidal Coil considering Frequency Characteristics of Permeability represented by using Parallel Resonant Circuits
Haruki Kuwajima, Ryosuke Suga (Aoyama Gakuin Univ.), Kohei Hasegawa, Tuyoshi Tokiwa (TOSHIBA corp.), Tomoki Uwano, Osamu Hashimoto (Aoyama Gakuin Univ.) EMCJ2020-62
 [more] EMCJ2020-62
pp.37-41
MW, EST, EMCJ, PEM, IEE-EMC [detail] 2020-10-23
09:25
Online Online A Study on a New Structural Microstrip Balun and Its Test Circuit.
Kazuto Oshima, Ryosuke Suga (Aoyama Gakuin Univ.), Tomoki Uwano (Office Uwano), Osamu Hashimoto (Aoyama Gakuin Univ.) EMCJ2020-37 MW2020-51 EST2020-39
We have proposed a balun with a simple structure that has a slitted ground of the microstrip line. In this study, we pro... [more] EMCJ2020-37 MW2020-51 EST2020-39
pp.72-76
EMCJ, MW, EST, IEE-EMC [detail] 2019-10-24
14:25
Miyagi Tohoku Gakuin University(Conf. Room 2, Eng. Bldg. 1) A Study on Shielding Effect Improvement of Apertured Metal Enclosure by Using Cylinders in kHz Band.
Eita Ideguchi, Ryosuke Suga (Aoyama Gakuin Univ.), Tomoki Uwano (Office Uwano), Osamu Hashimoto (Aoyama Gakuin Univ.) EMCJ2019-47 MW2019-76 EST2019-55
A metal enclosure is used for suppressing radiation noise from an in-vehicle inverter in kHz band. The exhaust heat and ... [more] EMCJ2019-47 MW2019-76 EST2019-55
pp.61-66
MW 2018-11-16
14:40
Nagasaki Fukue Cultural Hall Study on Broadband Microstrip Line Balun with Slitted Ground
Kazuto Oshima, Ryosuke Suga (Aoyama Gakuin Univ.), Tomoki Uwano (Office Uwano), Osamu Hashimoto (Aoyama Gakuin Univ.) MW2018-112
The authors have been proposing a simple and compact microstrip line balun with slitted ground.
A dip of common mode re... [more]
MW2018-112
pp.109-113
EMT, EST, LQE, MWP, OPE, PEM, PN, IEE-EMT [detail] 2018-01-25
09:30
Hyogo   Evaluation on Balance Characteristics of MSL Balun with Slitted Ground
Yusuke Maeda, Ryosuke Suga (Aoyama Gakuin Univ.), Tomoki Uwano (Office-Uwano), Osamu Hashimoto (Aoyama Gakuin Univ.) PN2017-52 EMT2017-89 OPE2017-130 LQE2017-112 EST2017-88 MWP2017-65
In recent years, baluns with compact and simple structures have been required owing to the development of communication ... [more] PN2017-52 EMT2017-89 OPE2017-130 LQE2017-112 EST2017-88 MWP2017-65
pp.77-81
EST 2016-09-08
13:55
Okinawa Ishigakishi-Shoko-Kaikan Analytical Study on Radiation Characteristics of Stacked Loop Antenna with Tilted Beam
Kazuki Kanai, Ryosuke Suga (Aoyama gakuin Univ.), Tomoki Uwano (Office Uwano), Osamu Hashimoto (Aoyama gakuin Univ.) EST2016-43
 [more] EST2016-43
pp.177-180
OPE, MW, EMT, MWP, EST, IEE-EMT [detail] 2016-07-22
14:10
Hokkaido   Magnetic Shielding Effect Analysis versus Metal Thickness of Metal Case with Periodically Arranged Apertures
Yoshihito Otoi, Ryousuke Suga, Tomoki Uwano, Osamu Hashimoto (Aoyama Gakuin Univ.) EMT2016-40 MW2016-71 OPE2016-52 EST2016-41 MWP2016-42
 [more] EMT2016-40 MW2016-71 OPE2016-52 EST2016-41 MWP2016-42
pp.185-188
ICD, MW 2016-03-03
14:05
Hiroshima Hiroshima University Resonator with High Impedance Parameter and its Application to Band-Stop Filter having Steep Skirt Characteristics
Kazuki Kanai, Ryousuke Suga (Aoyama Gakuin Univ.), Tomoki Uwano (Office Uwano), Osamu Hashimoto (Aoyama Gakuin Univ.) MW2015-195 ICD2015-118
 [more] MW2015-195 ICD2015-118
pp.123-127
EMCJ, IEE-EMC 2015-12-18
11:40
Aichi TOYOTA CENTRAL R&D LABS., INC. Experimental Study on Magnetic Leakage from Junctions of High Shielding Materials
Soichiro Yahagi, Ryosuke Suga, Tomoki Uwano, Osamu Hashimoto (Aoyama Gakuin Univ.) EMCJ2015-94
A shielding metal case generally has some junctions of metal plates and electromagnetic field leak from the junctions be... [more] EMCJ2015-94
pp.25-28
EST, OPE, LQE, EMT, PN, MWP, IEE-EMT [detail] 2015-01-29
16:25
Osaka   Experimental Study on Conductor Loss for Conductor Surface Roughness in Microwave Circuits on Thin Substrate
Tatsuya Suzuki, Ryosuke Suga, Tomoki Uwano (Aoyama Gakuin Univ.), Yasumasa Akatsuka, Kazuhiko Ishii (Nippon Kayaku), Osamu Hashimoto (Aoyama Gakuin Univ.) PN2014-50 OPE2014-175 LQE2014-162 EST2014-104 MWP2014-72
This report presents an experimental study on an impact of conductor surface roughness on microwave circuits using thin ... [more] PN2014-50 OPE2014-175 LQE2014-162 EST2014-104 MWP2014-72
pp.143-147
EST, OPE, LQE, EMT, PN, MWP, IEE-EMT [detail] 2015-01-29
16:50
Osaka   Improvement of FB Ratio of Dipole Antenna by Using Modified Reflector
Yuhei Kurosawa, Ryosuke Suga (Aoyama Gakuin Univ.), Tomoki Uwano (Office Uwano), Osamu Hashimoto (Aoyama Gakuin Univ.) PN2014-51 OPE2014-176 LQE2014-163 EST2014-105 MWP2014-73
This paper presents the improvement of the front to back (FB) ratio of the dipole antenna with a metal reflector being c... [more] PN2014-51 OPE2014-176 LQE2014-163 EST2014-105 MWP2014-73
pp.149-153
EMCJ, WPT
(Joint)
2015-01-23
11:10
Okinawa Okinawaken Jichikaikan A Proposal of Directional Method for Bow-tie Antenna
Masaki Nagasawa, Kazuki Kanai, Ryosuke Suga (Aoyama Gakuin Univ.), Takenori Yasuzumi (Toshiba), Tomoki Uwano, Osamu Hashimoto (Aoyama Gakuin Univ.), Yukihisa Hasegawa (Toshiba) EMCJ2014-97
 [more] EMCJ2014-97
pp.67-72
EMCJ, WPT
(Joint)
2015-01-23
11:35
Okinawa Okinawaken Jichikaikan A Sidelobe Suppression of Directional Printed Dipole Antenna for Radiation EMI Measurement
Masaki Nagasawa, Ryosuke Suga (Aoyama Gakuin Univ.), Takenori Yasuzumi, Yukihisa Hasegawa (TOSHIBA), Tomoki Uwano, Osamu Hashimoto (Aoyama Gakuin Univ.) EMCJ2014-98
 [more] EMCJ2014-98
pp.73-77
EST 2014-05-30
14:45
Tokyo   Design of Feeding Circuit for Double Loop Antenna Mountable on Conductors
Shuto Kuroda, Ryosuke Suga (Aoyama Gakuin Univ.), Tomoki Uwano (Office Uwano), Osamu Hashimoto (Aoyama Gakuin Univ.) EST2014-9
The feeding circuit constructed of microstrip line for a double loop antenna was proposed. First, the target characteris... [more] EST2014-9
pp.47-51
MWP, EMT, PN, LQE, OPE, EST, IEE-EMT [detail] 2014-01-24
09:25
Kyoto Doshisha University Improvement of Isolation Characteristics Between Omni-directional Antennas by Using Wave Absorber
Yuhei Kurosawa, Ryosuke Suga (Aoyama Gakuin Univ.), Tomoki Uwano (Office Uwano), Osamu Hashimoto (Aoyama Gakuin Univ.) PN2013-62 OPE2013-176 LQE2013-162 EST2013-111 MWP2013-82
In this report, the improvement of isolation between two omni-directional antennas was demonstrated by using a wave abso... [more] PN2013-62 OPE2013-176 LQE2013-162 EST2013-111 MWP2013-82
pp.187-191
MW 2011-12-16
09:30
Yamaguchi Yamaguchi University A Study on Ultra-Wideband Bandpass Filter with Tunable Notch-Band
Masayoshi Kamada, Takenori Yasuzumi, Tomoki Uwano, Osamu Hashimoto (Aoyama Gakuin Univ.) MW2011-133
An ultra-wideband bandpass filter (UWB BPF) along with a tunable notch circuit is proposed in this paper. We have examin... [more] MW2011-133
pp.41-46
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