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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 13 of 13  /   
Committee Date Time Place Paper Title / Authors Abstract Paper #
AP 2022-04-15
11:25
Yamagata Yamagata Syokuryo Kaikan
(Primary: On-site, Secondary: Online)
Excitation of Traveling Wave on Metal Casing Using Folded Dipole Antenna
Takumi Nishime, Hiroshi Hashiguchi, Naobumi Michishita, Hisashi Morishita (National Defense Academy) AP2022-5
Multiple antennas have been installed on mobile devices. Frequency bands used for communication are shifting to higher f... [more] AP2022-5
pp.24-27
AP 2022-03-10
16:25
Online Online [Invited Talk (Young Researcher)] Mutual Coupling Reduction Between Antennas by Using Electromagnetic Cloaking
Thanh Binh Nguyen, Hiroshi Hashiguchi, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Teruki Miyazaki, Masato Tadokoro (The Yokohama Rubber Co., Ltd.) AP2021-191
Recently, with the increase in 5G and IoT (Internet of Thing) devices, the interference inside and outside wireless devi... [more] AP2021-191
pp.50-55
AP, RCS
(Joint)
2021-11-12
11:20
Nagasaki NBC-Bekkan (Nagasaki)
(Primary: On-site, Secondary: Online)
A Sidelobe Reduction for Dual Frequency and Polarization Reflectarray
Hiroshi Hashiguchi, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Hiromi Matsuno, Takuya Ohto, Masayuki Nakano (KDDI Research, Inc) AP2021-124
 [more] AP2021-124
pp.122-125
MIKA
(3rd)
2021-10-29
10:30
Okinawa
(Primary: On-site, Secondary: Online)
[Poster Presentation] Planar Sleeve Antenna with Choke Structure Composed of Zeroth-Order Resonator
Keisuke Sakakibara, Hiroshi Hashiguchi, Naobumi Michishita, Hisashi Morishita (National Defense Academy)
A choke structure of the sleeve antenna is required to suppress the leakage current. However, the choke length is 1/4 wa... [more]
AP, SANE, SAT
(Joint)
2021-07-29
10:50
Online Online Planar Sleeve Antenna with Choke Structure Composed of Zeroth-Order Resonator
Keisuke Sakakibara, Hiroshi Hashiguchi, Naobumi Michishita, Hisashi Morishita (National Defense Academy) AP2021-34
A choke structure is required to suppress the leakage current of the sleeve antenna. The miniaturized sleeve antenna has... [more] AP2021-34
pp.61-64
AP
(2nd)
2021-06-18
11:05
Online Online Measurement of Cylindrical Cloak by Controlling Arrangement Density of Multi-Layer Ceramic Capacitors
Thanh Binh Nguyen, Hiroshi Hashiguchi, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Teruki Miyazaki, Masato Tadokoro (Yokohama Rubber Co., Ltd)
 [more]
AP
(2nd)
2020-12-10
11:30
Okinawa Nobumoto Ohama Memorial Hall
(Primary: On-site, Secondary: Online)
Experimental evaluation on optical leaky waveguide antenna by waffle-iron structure
Shunichi Kaneoka, Wataru Iida, Hiroshi Hashiguchi, Toshihiko Baba, Hiroyuki Arai (Yokohama National Univ.)
This paper presents a comparison of optical leaky-waveguide antennas, i.e., grating waveguide (GWG), waffle waveguide (W... [more]
AP 2019-03-14
14:20
Fukushima Yunoya (Iizaka Onsen, Fukushima) A Study on High gain Optical Leaky Wave Antenna as Base Station and Data Transmission
Hiroshi Hashiguchi, Toshihiko Baba, Hiroyuki Arai (Yokohama Natl University) AP2018-189
 [more] AP2018-189
pp.19-22
AP 2018-10-19
10:20
Okayama Okayama Univ. A Study of Antenna Gain Enhancement of Optical Leaky Wave Antenna
Hiroshi Hashiguchi, Toshihiko Baba, Hiroyuki Arai (YNU) AP2018-94
This paper presents antenna gain enhancement of optical leaky wave antennas (OLWAs). The antenna gain of OLWA is proport... [more] AP2018-94
pp.31-34
NS 2017-10-26
16:40
Osaka I-site nanba [Invited Talk] Human and information connected by networks in high performance sports.
Kazuki Kusumoto (AJTA), Tetsuji Kakuichi (NISHI), Chiho Kato (AJTA), Hiroki Yamada (JSC), Takayuki Hisano (OUHS), Akinori Kanda (AJTA), Taisuke Sawada (SS), Hiroshi Hashiguchi (EO), Toshiaki Oda (HUTE), Takao Ohashi (KIT) NS2017-107
In this report, we report our on-site efforts for connecting between human and information by using networks for smoothl... [more] NS2017-107
p.81
AP 2017-08-24
14:25
Hokkaido National Institute of Technology, Hakodate College Method of Plane Wave Excitation to Optical Leaky Waveguide
Hiroshi Hashiguchi, Toshihiko Baba, Hiroyuki Arai (Yokohama Natl. Univ.) AP2017-76
This paper presents plane wave excitation to wide optical leaky waveguide antenna. In optical communications, high anten... [more] AP2017-76
pp.45-48
AP
(2nd)
2017-06-28
- 2017-06-30
Hokkaido Hokkaido University Gain enhancement of Optical Leaky Waveguide Antenna by Aperture Distribution Control
Reiji Toda, Hiroshi Hashiguchi, Hiroyuki Arai (YNU)
In this paper, we propose a gain improvement method by increasing the opening area of an optical leaky waveguide antenna... [more]
AP, WPT
(Joint)
2017-01-20
17:00
Hiroshima Hiroshima Institute of Technology The Directivity Reconstruction Method of Optical Leaky Waveguide Antenna by Phase-less Measurement
Hiroshi hashiguchi, Keisuke Kondo, Toshihiko Baba, Hiroyuki Arai (Yokohama Natl. Univ.) AP2016-154
This paper presents a novel antenna pattern reconstruction by phase-less measurement. The circular waffle waveguide (CWW... [more] AP2016-154
pp.141-144
 Results 1 - 13 of 13  /   
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