Committee |
Date Time |
Place |
Paper Title / Authors |
Abstract |
Paper # |
AP, RCS (Joint) |
2023-11-17 14:30 |
Kumamoto |
Kumamoto Prefectural Workers' Welfare Hall (Primary: On-site, Secondary: Online) |
Mutual coupling suppression by a square rod mantle cloak antenna with strip conductors Shuhei Ozawa, Hiroshi Hashiguchi, Naobumi Michishita (National Defense Academy), Kiyoshi Sakimoto, Teruki Miyazaki, Masato Tadokoro (The Yokohama Rubber Co., Ltd.) AP2023-153 |
Various mantle-cloak antennas have been proposed to suppress mutual coupling. However, the bandwidth between operating f... [more] |
AP2023-153 pp.121-126 |
AP |
2023-05-12 14:40 |
Okinawa |
Okinawa Gender Equality Center (Primary: On-site, Secondary: Online) |
Mantle Cloak Antennas with Rejection Band in Close Frequency Naobumi Michishita, Shuhei Ozawa, Hiroshi Hashiguchi (National Defense Academy), Kiyoshi Sakimoto, Teruki Miyazaki, Masato Tadokoro (The Yokohama Rubber Co., Ltd.) AP2023-21 |
Various mantle-cloak antennas have been proposed to suppress mutual coupling. However, the operating frequency band and ... [more] |
AP2023-21 pp.70-74 |
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 |
RCS, AP, UWT (Joint) |
2020-11-25 09:25 |
Online |
Online |
Mantle Cloak Antenna by Controlling Surface Reactance of Dielectric Loaded Dipole Antenna Thanh Binh Nguyen, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Teruki Miyazaki, Masato Tadokoro (The Yokohama Rubber Co., Ltd.) AP2020-73 |
Recently, antennas for various systems are often placed in proximity in a narrow space with the miniaturization of wirel... [more] |
AP2020-73 pp.1-6 |
RCS, AP (Joint) |
2018-11-22 09:50 |
Okinawa |
Okinawa Industry Support Center |
Thin Cylindrical Cloaking Using Multi-layer Ceramic Capacitors Nguyen Thanh Binh, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Teruki Miyazaki, Masato Tadokoro (The Yokohama Rubber Co., Ltd.) AP2018-129 |
Recently, electromagnetic cloaking designed based on the transformation electromagnetics has attracted much attention. T... [more] |
AP2018-129 pp.157-160 |
AP (2nd) |
2018-06-29 11:10 |
Tokyo |
Jinbo-cho Takahashi Bldg. 7F |
Monostatic RCS Measurement of Metasurfaces Using Multi-Layer Ceramic Capacitors Naoyuki Kinai, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Teruki Miyazaki, Masato Tadokoro (The Yokohama Rubber Co., Ltd.) |
To miniaturize the size of the unit cell structure for the metasurface, this paper presents the metasurface using multi-... [more] |
|
AP (2nd) |
2018-05-30 10:25 |
Overseas |
The University of Da nang, University of Science and Technology |
Left-Handed Metamaterial Composed of Multi-Layer Ceramic Capacitors and Strip Conductors Thanh Binh Nguyen, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Teruki Miyazaki, Masato Tadokoro (The Yokohama Rubber) |
A composition of a split ring resonator and a strip conductor, a composition of a multilayer ceramic capacitor (MLCC) an... [more] |
|
AP (2nd) |
2018-05-30 10:45 |
Overseas |
The University of Da nang, University of Science and Technology |
Metasurfaces Composed of Multi-Layered Ceramic Capacitors Mounted on Dielectric Substrate for Radar Cross Section Reduction Naoyuki Kinai, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Teruki Miyazaki, Masato Tadokoro (The Yokohama Rubber Co., Ltd.) |
Typical metasurface structures consist of patch and mushroom structures. To reduce the size of the unit cell structure, ... [more] |
|
AP |
2018-04-20 11:20 |
Tokyo |
Hachijomachi-Shokokai |
Negative Effective Permeability Material Composed of Multi-Layer Ceramic Capacitors Naoyuki Kinai, Thanh Binh Nguyen, Naobumi Michishita, Hisashi Morishita (National Defense Academy), Teruki Miyazaki, Masato Tadokoro (The Yokohama Rubber) AP2018-8 |
Multi-layered ceramic capacitors (MLCC) has been employed for downsizing the unit cell structure of the metamaterial. In... [more] |
AP2018-8 pp.37-40 |
AP |
2017-04-21 14:00 |
Osaka |
Osaka university |
Thin Wave Absorber Using Metasurface Composed of Multi-Layer Ceramic Capacitors Naobumi Michishita (National Defense Academy), Teruki Miyazaki, Masato Tadokoro (The Yokohama Rubber), Hisashi Morishita (National Defense Academy) AP2017-17 |
To apply left-handed metamaterial structure to the base material of the small antenna, the unit cell structure needs to ... [more] |
AP2017-17 pp.85-88 |
EMD, LQE, OPE, CPM, R |
2014-08-22 10:20 |
Hokkaido |
Otaru Economy Center |
Polarization Maintaining Property of Silane Modified Highly Moisture Resistant Optical Adhesives and Influences on Polarization Dependent Loss Seiko Mitachi, Takumi Tanaka, Kenta Kobayashi (Tokyo Univ. of Tech.), Kazushi Kimura, Hirokazu Kageyama (Yokohama Rubber), Ryo Nagase (Chiba Inst. of Tech) R2014-38 EMD2014-43 CPM2014-58 OPE2014-68 LQE2014-42 |
We have developed silane modified novel optical adhesives and adapted them to PMF pig-tail ferrule connectors, SMF optic... [more] |
R2014-38 EMD2014-43 CPM2014-58 OPE2014-68 LQE2014-42 pp.77-82 |
EMD, R |
2013-02-15 15:55 |
Mie |
Sumitomo Wiring System, Ltd |
Research on optical adhesives for optical communication
-- Highly moisture resistant characteristics of cyanogen-free and silane modified type adhesives -- Seiko Mitachi, Akihoto Ito (Tokyo Univ. Tech.), Kazushi Kimura (Yokohama Rubber) R2012-77 EMD2012-108 |
We have developed highly moisture resistant optical adhesives for optical communication. These cyanogen-free and silane ... [more] |
R2012-77 EMD2012-108 pp.29-34 |
AP, RCS (Joint) |
2010-11-12 09:30 |
Fukui |
Fukui Univ. |
Electromagnetic field distribution of Very Small Normal-Mode Helical Antennas and Deterministic equation for the Self Resonant Structures Nguyen Quoc Dinh, Naobumi Michishita, Yoshihide Yamada (National Defense Academy), Koji Nakatani (The Yokohama Rubber Co., Ltd) AP2010-107 |
[more] |
AP2010-107 pp.91-96 |
AP |
2010-04-09 11:20 |
Kyoto |
Doshisha Univ. |
Simple Design Equation of a Tap Feed for a Normal-Mode Helical Antenna Nguyen Quoc Dinh, Naobumi Michishita, Yoshihide Yamada (National Defense Academy), Koji Nakatani (The Yokohama Rubber Co., Ltd) AP2010-3 |
In order to apply a normal-mode helical antenna(NMHA) to actual radio equipments, a simple impedance matching structure ... [more] |
AP2010-3 pp.9-14 |
AP |
2009-09-04 10:50 |
Aomori |
Hachinohe Inst. of Tech. |
Operating Principle of Tap Structures in the Very Small Normal Mode Helical Antenna Nguyen Quoc Dinh, Naobumi Michishita, Yoshihide Yamada (NDA), Koji Nakatani (Yokohama Rubber) AP2009-94 |
The normal-mode helical antenna becomes an efficient radiator in the condition of the self resonance. When the antenna s... [more] |
AP2009-94 pp.85-90 |
OPE, EMD, CPM, LQE |
2009-08-21 13:25 |
Miyagi |
|
Improvement of Optical Devices Reliability by Assembling with Newly Developed Highly Moisture Durable Optical Adhesives Seiko Mitachi, Ayumi Harada (Tokyo Unv. of Tech.), Atsushi Kikkawa (Yokohama Rubber Co., Ltd.) EMD2009-50 CPM2009-74 OPE2009-98 LQE2009-57 |
This paper reports time dependent change of insertion loss and return loss of connection between optical connectors them... [more] |
EMD2009-50 CPM2009-74 OPE2009-98 LQE2009-57 pp.123-128 |
AP |
2006-01-27 11:35 |
Fukuoka |
Fukuoka Inst. of Tech. |
Radiated waves from a transmitter contained in a vehicle tire Eiji Hirose (The Yokohama Rubber Co., Ltd.), Norihito Tenma, Naobumi Michishita, Yoshihide Yamada (National Defense Academy) |
Recently, the tire pressure monitoring system is introduced in U.S.A
and European countries. Here, electrical distribu... [more] |
AP2005-149 pp.81-84 |