Yoshio Koyanagi, Japanese electronics engineer, researcher. Recipient Patent award of the chief of Kanagawa branch, Japan Institute of Invention and Innovation (JIII), 2002. Member of Institute of Electrical and Electronics Engineers (associate), Institute of Electronics, Information and Commission Engineers (associate).
- Engineer of mobile phone antennas Matsushita Commission Industrial Limited company, Yokohama-shi, Japan, since 1989. Leader of the mobile antenna project Panasonic Mobile Commission Limited company, Yokosuka-shi, Japan, since 2002. Fellowship Chiba University, Japan, since 2004.
Achievements include patents for small-sized wireless device. Research in small antennas for mobile phone terminal. Development of diversity antenna of the Personal Digital Cellular cellular phone terminal.
Development of frequency switched antenna of the cellular phone terminal. Patents for antenna apparatus. Development of diversity antenna of the analog cellular phone terminal.
Development of internal antenna of the Wideband Code Division Multiple Access cellular phone terminal. Research in biological effects by mobile handset antennas.