Yoshio Koyanagi

13 papers B 2Journal 11
YearRankTypeTitle / Venue / Authors
2023 J jnl
Decoupling Method for Four Closely Spaced Planar Inverted-F Antennas Using Parasitic Elements and Bridge Lines.
IEICE Trans. Commun.
Quang Quan Phung, Tuan Hung Nguyen, Naobumi Michishita, Hiroshi Sato, Yoshio Koyanagi, Hisashi Morishita
2022 J jnl
Antithetic effect of interferon-α on cell-free and cell-to-cell HIV-1 infection.
PLoS Comput. Biol.
Ryuichi Kumata, Shoya Iwanami, Katrina B. Mar, Yusuke Kakizoe, Naoko Misawa, Shinji Nakaoka, Yoshio Koyanagi, Alan S. Perelson, John W. Schoggins, Shingo Iwami, Kei Sato
2021 J jnl
A Study on Decoupling Method for Two PIFAs Using Parasitic Elements and Bridge Line.
IEICE Trans. Commun.
Quang Quan Phung, Tuan Hung Nguyen, Naobumi Michishita, Hiroshi Sato, Yoshio Koyanagi, Hisashi Morishita
2015 J jnl
Investigation on a Multi-Band Inverted-F Antenna Sharing Only One Shorting Strip among Multiple Branch Elements.
IEICE Trans. Commun.
Tuan Hung Nguyen, Takashi Oki, Hiroshi Sato, Yoshio Koyanagi, Hisashi Morishita
2014 J jnl
A Study on Minimization of Requisite Design Volume of Small Antennas Inside Handset Terminals.
IEICE Trans. Commun.
Tuan Hung Nguyen, Hiroshi Sato, Yoshio Koyanagi, Hisashi Morishita
2008 J jnl
Compact Built-In Handset MIMO Antenna Using L-Shaped Folded Monopole Antennas.
IEICE Trans. Commun.
Yongho Kim, Toshiteru Hayashi, Yoshio Koyanagi, Hisashi Morishita
2007 J jnl
Switched-Beam Slot Antenna over Electromagnetic Band-Gap Reflector.
IEICE Trans. Commun.
Hiroyuki Uno, Yutaka Saito, Yoshio Koyanagi, Satoshi Yagitani, Isamu Nagano
2006 J jnl
Simple Modeling of an Abdomen of Pregnant Women and Its Application to SAR Estimation.
IEICE Trans. Commun.
Hiroki Kawai, Koichi Ito, Masaharu Takahashi, Kazuyuki Saito, Takuya Ueda, Masayoshi Saito, Hisao Ito, Hisao Osada, Yoshio Koyanagi, Koichi Ogawa
2005 J jnl
Attenuation Characteristics of the SAR in a COST244 Phantom with Different EM Source Locations and Sizes.
IEICE Trans. Commun.
Shoichi Kajiwara, Atsushi Yamamoto, Koichi Ogawa, Akihiro Ozaki, Yoshio Koyanagi
2005 J jnl
Characteristics of Built-In Folded Monopole Antenna for Handsets.
IEICE Trans. Commun.
Shogo Hayashida, Tomoki Tanaka, Hisashi Morishita, Yoshio Koyanagi, Kyohei Fujimoto
2003 B conf
A planar sector antenna suitable for small WLAN card terminal.
PIMRC
Hiroyuki Uno, Yutaka Saito, Gen-Ichiro Ohta, Hiroshi Haruki, Yoshio Koyanagi, Kiyoshi Egawa
2003 J jnl
Improved method for evaluating antenna performance in mobile environment with consideration of polarization and phase.
IEEE Trans. Veh. Technol.
Yoichi Nakagawa, Masahiro Mimura, Kentaro Miyano, Yoshio Koyanagi, Kyohei Fujimoto
2003 B conf
Multi-antenna system for a handy phone to reduce influence by user's hand.
PIMRC
Tomoaki Nishikido, Yutaka Saito, Makoto Hasegawa, Hiroshi Haruki, Yoshio Koyanagi, Kiyoshi Egawa