A 1 kbit Josephson random access memory using variable threshold cells. - Itaru Kurosawa; Hiroshi Nakagawa; Shin Kosaka; Masahiro Aoyagi; Susumu Takada (IEEE J. Solid State Circuits, 1989)

A Josephson 4 bit RALU for a prototype computer. - Hiroshi Nakagawa; Shin Kosaka; Hiroki Kawamura; Itaru Kurosawa; Masahiro Aoyagi; Youichi Hamazaki; Yoshikuni Okada; Susumu Takada (IEEE J. Solid State Circuits, 1989)

A Josephson 10-b instruction 128-word ROM unit. - Masahiro Aoyagi; Hiroshi Nakagawa; Itaru Kurosawa; Shin Kosaka; Yoshikuni Okada; Youichi Hamazaki; Susumu Takada (IEEE J. Solid State Circuits, 1990)

A fully operational 1 kb variable threshold Josephson RAM. - Itaru Kurosawa; Hiroshi Nakagawa; Masahiro Aoyagi; Shin Kosaka; Susumu Takada (IEEE J. Solid State Circuits, 1991)

X-Ray Detection Using Superconducting Tunnel Junction Shaped Normal-Distribution-Function. - Tohru Taino; Tomohiro Nishihara; Koichi Hoshino; Hiroaki Myoren; Hiromi Sato; Hirohiko M. Shimizu; Susumu Takada (IEICE Trans. Electron., 2007)