A subnanosecond Josephson 16-bit ALU. - Seigo Kotani; Norio Fujimaki; Takeshi Imamura; Shinya Hasuo (IEEE J. Solid State Circuits, 1988)

A subnanosecond clock Josephson 4-bit processor. - Seigo Kotani; Takahiro Imamura; Shinya Hasuo (IEEE J. Solid State Circuits, 1990)

An 8-b Josephson digital signal processor. - Seigo Kotani; Atsuki Inoue; Takeshi Imamura; Shinya Hasuo (IEEE J. Solid State Circuits, 1990)

Josephson macrocell array. - Seigo Kotani; Atsuki Inoue; Shinya Hasuo (IEEE J. Solid State Circuits, 1991)

Building an Independent Integrated Authentication Service. - Zhexuan Song; Seigo Kotani; Ryusuke Masuoka (ICYCS, 2008)