Naofumi Yoneda

18 papers Journal 18
YearRankTypeTitle / Venue / Authors
2024 J jnl
Design and Fabrication of a Metasurface for Bandwidth Enhancement of RCS Reduction Based on Scattering Cancellation.
IEICE Trans. Electron.
Hiroshi Suenobu, Shin-ichi Yamamoto, Michio Takikawa, Naofumi Yoneda
2024 J jnl
Uniaxially Symmetrical T-Junction OMT with 45° -Tilted Branch Waveguide Ports.
IEICE Trans. Electron.
Hidenori Yukawa, Yu Ushijima, Toru Takahashi, Toru Fukasawa, Yoshio Inasawa, Naofumi Yoneda, Moriyasu Miyazaki
2023 J jnl
Radial Line Planar Phased Array Using Electromechanically Rotated Helical Antennas.
IEICE Trans. Commun.
Narihiro Nakamoto, Yusuke Suzuki, Satoshi Yamaguchi, Toru Fukasawa, Naofumi Yoneda, Hiroaki Miyashita, Naoki Shinohara
2022 J jnl
Design of the Circularly Polarized Ring Microstrip Antenna with Shorting Pins.
IEICE Trans. Commun.
Jun Goto, Akimichi Hirota, Kyosuke Mochizuki, Satoshi Yamaguchi, Kazunari Kihira, Toru Takahashi, Hideo Sumiyoshi, Masataka Otsuka, Naofumi Yoneda, Jiro Hirokawa
2021 J jnl
180-Degree Branch Line Coupler Composed of Two Types of Iris-Loaded Waveguides.
IEICE Trans. Electron.
Hidenori Yukawa, Yu Ushijima, Naofumi Yoneda, Moriyasu Miyazaki
2021 J jnl
A Suspended Stripline Fed Dual-Polarized Open-Ended Waveguide Subarray with Metal Posts for Phased Array Antennas.
IEICE Trans. Commun.
Narihiro Nakamoto, Toru Takahashi, Toru Fukasawa, Naofumi Yoneda, Hiroaki Miyashita
2021 J jnl
Design of the Traveling-Wave Series-Fed Microstrip Antenna Array with Power Control Slits of Unequal Inter-Element Spacing.
IEICE Trans. Commun.
Jun Goto, Makoto Matsuki, Takashi Maruyama, Toru Fukasawa, Naofumi Yoneda, Jiro Hirokawa
2020 J jnl
S-Parameter Analysis for Balanced and Unbalanced Modes Corresponding Dissipated Power of a Small Antenna.
IEICE Trans. Commun.
Takashi Yanagi, Yasuhiro Nishioka, Toru Fukasawa, Naofumi Yoneda, Hiroaki Miyashita
2019 J jnl
Metal 3D-Printed T-Junction Ortho-Mode-Transducer with an Offset Stepped Post.
IEICE Trans. Electron.
Hidenori Yukawa, Yu Ushijima, Motomi Abe, Takeshi Oshima, Naofumi Yoneda, Moriyasu Miyazaki
2018 J jnl
Accuracy Improvement of Characteristic Basis Function Method by Using Multilevel Approach.
IEICE Trans. Electron.
Tai Tanaka, Yoshio Inasawa, Naofumi Yoneda, Hiroaki Miyashita
2018 J jnl
Ka-Band Branch Line Coupler Applied Hexagonal Waveguide Suitable for Additive Manufacturing.
IEICE Trans. Electron.
Motomi Abe, Hidenori Yukawa, Yu Ushijima, Takuma Nishimura, Takeshi Oshima, Takeshi Yuasa, Naofumi Yoneda
2016 J jnl
A Novel Directional Coupler Loaded with Feedback Capacitances and Its Applications.
IEICE Trans. Electron.
Motomi Abe, Yukihiro Tahara, Tetsu Owada, Naofumi Yoneda, Hiroaki Miyashita
2016 J jnl
A directivity enhancement for directional couplers using additional coupled lines.
IEICE Electron. Express
Hideharu Yoshioka, Akimichi Hirota, Hidenori Ishibashi, Naofumi Yoneda, Moriyasu Miyazaki
2014 J jnl
A PCB Integrated Multi-layered Strip Line Tandem Coupler Using Compensating Ground Through-Hole Elements.
IEICE Trans. Electron.
Takeshi Yuasa, Yukihiro Tahara, Tetsu Owada, Naofumi Yoneda, Yoshihiko Konishi, Moriyasu Miyazaki
2011 J jnl
A Millimeter-Wave Resistance Error Tolerant Termination in Multi-Layered LTCC Substrate.
IEICE Trans. Electron.
Takeshi Yuasa, Yukihiro Tahara, Naofumi Yoneda, Hideyuki Oh-Hashi
2009 J jnl
A Waveguide-Based Power Divider Using H-Plane Probes Short-Circuited with Substrate Metallization Patterns.
IEICE Trans. Electron.
Motomi Abe, Yukihiro Tahara, Hideyuki Oh-Hashi, Naofumi Yoneda, Yoshihiko Konishi
2008 J jnl
An Elliptic-Function Bandpass Filter Utilizing Left-Handed Operations of an Inter-Digital Coupled Line.
IEICE Trans. Electron.
Hiromitsu Uchida, Naofumi Yoneda, Yoshihiko Konishi
2008 J jnl
Near-Field to Far-Field Transformation for an Outdoor RCS Range.
IEICE Trans. Electron.
Yoshio Inasawa, Shinji Kuroda, Ken'ichi Kakizaki, Hitoshi Nishikawa, Naofumi Yoneda, Shigeru Makino