Complex Bandpass DeltaSigmaAD Modulator Architecture without I, Q-Path Crossing Layout. - Hao San; Akira Hayakawa; Yoshitaka Jingu; Hiroki Wada; Hiroyuki Hagiwara; Kazuyuki Kobayashi; Haruo Kobayashi 001; Tatsuji Matsuura; Kouichi Yahagi; Junya Kudoh; Hideo Nakane; Masao Hotta; et al. (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2006)

A 2.8-V Multibit Complex Bandpass Delta-Sigma-AD Modulator in 0.18µm CMOS. - Hao San; Yoshitaka Jingu; Hiroki Wada; Hiroyuki Hagiwara; Akira Hayakawa; Haruo Kobayashi 001; Masao Hotta (ASP-DAC, 2007)

A Second-Order Multibit Complex Bandpass DeltaSigmaAD Modulator with I, Q Dynamic Matching and DWA Algorithm. - Hao San; Yoshitaka Jingu; Hiroki Wada; Hiroyuki Hagiwara; Akira Hayakawa; Haruo Kobayashi 001; Tatsuji Matsuura; Kouichi Yahagi; Junya Kudoh; Hideo Nakane; Masao Hotta; Toshiro Tsukada; et al. (IEICE Trans. Electron., 2007)

Digital Human Simulation for Fall Risk Evaluation When Sitting on Stepladders. - Tsubasa Maruyama; Haruki Toda; Yui Endo 001; Mitsunori Tada; Hiroyuki Hagiwara; Koji Kitamura (HCI (16), 2021)