Yoshio Koyanagi

According to our database, Yoshio Koyanagi authored at least 13 papers between 2003 and 2023.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of five.

2023

Decoupling Method for Four Closely Spaced Planar Inverted-F Antennas Using Parasitic Elements and Bridge Lines.

Quang Quan Phung, Tuan Hung Nguyen, Naobumi Michishita, Hiroshi Sato, Yoshio Koyanagi, Hisashi Morishita

IEICE Trans. Commun., November, 2023

2022

Antithetic effect of interferon-α on cell-free and cell-to-cell HIV-1 infection.

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

PLoS Comput. Biol., 2022

2021

A Study on Decoupling Method for Two PIFAs Using Parasitic Elements and Bridge Line.

Quang Quan Phung, Tuan Hung Nguyen, Naobumi Michishita, Hiroshi Sato, Yoshio Koyanagi, Hisashi Morishita

IEICE Trans. Commun., 2021

2015

Investigation on a Multi-Band Inverted-F Antenna Sharing Only One Shorting Strip among Multiple Branch Elements.

Tuan Hung Nguyen, Takashi Oki, Hiroshi Sato, Yoshio Koyanagi, Hisashi Morishita

IEICE Trans. Commun., 2015

2014

A Study on Minimization of Requisite Design Volume of Small Antennas Inside Handset Terminals.

Tuan Hung Nguyen, Hiroshi Sato, Yoshio Koyanagi, Hisashi Morishita

IEICE Trans. Commun., 2014

2008

Compact Built-In Handset MIMO Antenna Using L-Shaped Folded Monopole Antennas.

Yongho Kim, Toshiteru Hayashi, Yoshio Koyanagi, Hisashi Morishita

IEICE Trans. Commun., 2008

2007

Switched-Beam Slot Antenna over Electromagnetic Band-Gap Reflector.

Hiroyuki Uno, Yutaka Saito, Yoshio Koyanagi, Satoshi Yagitani, Isamu Nagano

IEICE Trans. Commun., 2007

2006

Simple Modeling of an Abdomen of Pregnant Women and Its Application to SAR Estimation.

Hiroki Kawai, Koichi Ito, Masaharu Takahashi, Kazuyuki Saito, Takuya Ueda, Masayoshi Saito, Hisao Ito, Hisao Osada, Yoshio Koyanagi, Koichi Ogawa

IEICE Trans. Commun., 2006

2005

Attenuation Characteristics of the SAR in a COST244 Phantom with Different EM Source Locations and Sizes.

Shoichi Kajiwara, Atsushi Yamamoto, Koichi Ogawa, Akihiro Ozaki, Yoshio Koyanagi

IEICE Trans. Commun., 2005

Characteristics of Built-In Folded Monopole Antenna for Handsets.

Shogo Hayashida, Tomoki Tanaka, Hisashi Morishita, Yoshio Koyanagi, Kyohei Fujimoto

IEICE Trans. Commun., 2005

2003

Improved method for evaluating antenna performance in mobile environment with consideration of polarization and phase.

Yoichi Nakagawa, Masahiro Mimura, Kentaro Miyano, Yoshio Koyanagi, Kyohei Fujimoto

IEEE Trans. Veh. Technol., 2003

A planar sector antenna suitable for small WLAN card terminal.

Hiroyuki Uno, Yutaka Saito, Gen-Ichiro Ohta, Hiroshi Haruki, Yoshio Koyanagi, Kiyoshi Egawa

Proceedings of the IEEE 14th International Symposium on Personal, 2003

Multi-antenna system for a handy phone to reduce influence by user's hand.

Tomoaki Nishikido, Yutaka Saito, Makoto Hasegawa, Hiroshi Haruki, Yoshio Koyanagi, Kiyoshi Egawa

Proceedings of the IEEE 14th International Symposium on Personal, 2003