The initial decrease in 7T-BOLD signals detected by hyperalignment contains information to decode facial expressions. - Toshiko Tanaka; Naohiro Okamoto; Ikuhiro Kida; Masahiko Haruno (NeuroImage, 2022)

Oblivious Suffix Sorting: A Multi-Party Computation Scheme for Secure and Efficient Suffix Sorting. - Kota Isayama; Koki Jimbo; Naohiro Okamoto; Kunihiko Sadakane; Kazunari Tozawa (ACNS (1), 2025)