An Algebraic Surface Cryptosystem. - Koichiro Akiyama; Yasuhiro Goto; Hideyuki Miyake (Public Key Cryptography, 2009)

Bronchus sign on thin-section computed tomography is a powerful predictive factor for successful transbronchial biopsy using endobronchial ultrasound with a guide sheath for small peripheral lung lesions: a retrospective observational study. - Tomoyuki Minezawa; Takuya Okamura; Hiroshi Yatsuya; Naoki Yamamoto; Sayako Morikawa; Teppei Yamaguchi; Mariko Morishita; Yoshikazu Niwa; Tomoko Takeyama; Yuki Mieno; Tami Hoshino; Sakurako Uozu; et al. (BMC Medical Imaging, 2015)

A Public-Key Encryption Scheme Based on Non-linear Indeterminate Equations. - Koichiro Akiyama; Yasuhiro Goto; Shinya Okumura; Tsuyoshi Takagi; Koji Nuida; Goichiro Hanaoka (SAC, 2017)

A Public-key Encryption Scheme Based on Non-linear Indeterminate Equations (Giophantus). - Koichiro Akiyama; Yasuhiro Goto; Shinya Okumura; Tsuyoshi Takagi; Koji Nuida; Goichiro Hanaoka; Hideo Shimizu; Yasuhiko Ikematsu (IACR Cryptol. ePrint Arch., 2017)