Provably Secure On-Line Secret Sharing Scheme. - Tatsumi Oba; Wakaha Ogata (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011)

Embedding Lemmas for Functional Encryption. - Ryo Kato; Naohisa Nishida; Ryo Hirano; Tatsumi Oba; Yuji Unagami; Shota Yamada 001; Tadanori Teruya; Nuttapong Attrapadung; Takahiro Matsuda 002; Goichiro Hanaoka (ISITA, 2018)

MOBIUS: Model-Oblivious Binarized Neural Networks. - Hiromasa Kitai; Jason Paul Cruz; Naoto Yanai; Naohisa Nishida; Tatsumi Oba; Yuji Unagami; Tadanori Teruya; Nuttapong Attrapadung; Takahiro Matsuda 002; Goichiro Hanaoka (IEEE Access, 2019)

Graph Convolutional Network-based Suspicious Communication Pair Estimation for Industrial Control Systems. - Tatsumi Oba; Tadahiro Taniguchi (CoRR, 2020)

Efficient Secure Neural Network Prediction Protocol Reducing Accuracy Degradation. - Naohisa Nishida; Tatsumi Oba; Yuji Unagami; Jason Paul Cruz; Naoto Yanai; Tadanori Teruya; Nuttapong Attrapadung; Takahiro Matsuda 002; Goichiro Hanaoka (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2020)

Score and You Shall Find: A Novel Regularization Technique for Cyberattack Detection in Industrial Control Systems. - Tatsumi Oba; Tadahiro Taniguchi; Naoto Yanai (RICSS@CCS, 2024)

Decoding BACnet Packets: A Large Language Model Approach for Packet Interpretation. - Rashi Sharma; Hiroyuki Okada; Tatsumi Oba; Karthikk Subramanian; Naoto Yanai; Sugiri Pranata (CoRR, 2024)

Fast and Private 1-to-$N$ Face Identification Protocols. - Nuttapong Attrapadung; Reo Eriguchi; Goichiro Hanaoka; Takahiro Matsuda 002; Naohisa Nishida; Tatsumi Oba; Jacob C. N. Schuldt; Koki Tejima; Tadanori Teruya; Yuji Unagami; Naoto Yanai (IEEE Open J. Comput. Soc., 2025)