Wireless relay networks using multiple frequency bands. - Toshiyuki Kikkawa; Yukitoshi Sanada (ISITA, 2010)

Power integrity control of ATE for emulating power supply fluctuations on customer environment. - Masahiro Ishida; Toru Nakura; Toshiyuki Kikkawa; Takashi Kusaka; Satoshi Komatsu; Kunihiro Asada (ITC, 2012)

An On-Chip Measurement of PLL Transfer Function and Lock Range through Fully Digital Interface. - Toshiyuki Kikkawa; Toru Nakura; Kunihiro Asada (IEICE Trans. Electron., 2016)