A multilevel QAM demodulator VLSI with wideband carrier recovery and dual equalizing mode. - Kazuya Yamanaka; Sumitaka Takeuchi; Shuji Murakami; Masayuki Koyama; Jun Ido; Takashi Fujiwara; Susumu Hirano; Keisuke Okada; Tadashi Sumi (IEEE J. Solid State Circuits, 1997)

A multi-standards HDTV video decoder for blu-ray disc standard. - Noriyuki Minegishi; Hidenori Sato; Fumitaka Izuhara; Masayuki Koyama; Anthony Vetro (IEEE Trans. Consumer Electron., 2009)

Small alliances in a weighted graph. - Kenji Kimura; Masayuki Koyama; Akira Saito (Discret. Appl. Math., 2010)

COVID-19 Online Health Monitoring System to Support Municipal Health Centers. - Takumi Tanikawa; Masayuki Koyama; Ryuichi Nakayama; Tsuyoshi Mukohara; Naoki Fujimoto; Shintaro Takatsuka; Jun Fukuda; Hidehiro Ozawa (MedInfo, 2023)