An article related to Prof Takeo SHIBA's lecture in RFID seminar was released on Convertech vol.542 (May 2018 issue).

📚 Convertech May 2018 issue >> https://iomform.yz.yamagata-u.ac.jp/uploads/1/201805kobatech.pdf

📚 Tokito HP >> http://tokitolabo.yz.yamagata-u.ac.jp/index.html