| 2025 | ESORICS | Reaction Attack on TFHE: Minimum Number of Oracle Queries and Nearly Optimum Attacking Scheme. | Remma Kumazaki, Yuichi Kaji |
| 2024 | ISIT | Optimum Fingerprinting Function for Winternitz One-Time Signature. | Motonari Honda, Yuichi Kaji |
| 2024 | ISITA | Complexity of Solving Hash Puzzles Using Revised Boyer Quantum Algorithm. | Chris Idota, Yuichi Kaji |
| 2024 | ISITA | Make Seeds Expire in TOTP Authentication. | Keishiro Noda, Yuichi Kaji |
| 2024 | ISITA | Recursive Algorithm for Maximum Likelihood Decoding of Non-Binary Codes. | Yingtao Zhou, Yuichi Kaji |
| 2023 | SECRYPT | Improvement of Winternitz OTS with a Novel Fingerprinting Function. | Motonari Honda, Yuichi Kaji |
| 2020 | ISITA | Information leakage through passive timing attacks on RSA decryption system. | Tomonori Hirata, Yuichi Kaji |
| 2016 | ISITA | Constant-sum fingerprinting for Winternitz one-time signature. | Jason Paul Cruz, Yoshio Yatani, Yuichi Kaji |
| 2016 | ISITA | Converging bounds of the entropy of multinomial distributions. | Yuichi Kaji |
| 2015 | ISIT | Bounds on the entropy of multinomial distribution. | Yuichi Kaji |
| 2014 | ISITA | Information theoretical evaluation of the bucketing technique to mitigate timing attacks. | Yasuyuki Kobayashi, Yuichi Kaji, Hiroyuki Seki |
| 2014 | ISITA | A flash code utilizing dynamic segment allocation. | Kazuki Kumagai, Yuichi Kaji |
| 2012 | ISITA | Index-less flash codes with arbitrary small slices. | Hiroyuki Nagahara, Yuichi Kaji |
| 2011 | CCS | Poster: trans-organizational role-based access control. | Ramon Francisco Pacquiao Mejia, Yuichi Kaji, Hiroyuki Seki |
| 2011 | ITW | The expected write deficiency of index-less flash codes and their improvement. | Yuichi Kaji |
| 2010 | ISITA | Anti-phishing mutual authentication using the visual secret sharing scheme. | Kai Zhao, Yuichi Kaji |
| 2010 | LATA | Chomsky-Schtzenberger-Type Characterization of Multiple Context-Free Languages. | Ryo Yoshinaka, Yuichi Kaji, Hiroyuki Seki |
| 2009 | ISIT | On the number of minimum weight codewords of SFA-LDPC codes. | Yuichi Kaji |
| 2007 | ISIT | On the minimum weight of simple full-length array LDPC codes. | Kenji Sugiyama, Yuichi Kaji |
| 1993 | ACL | Parallel Multiple Context-Free Grammars, Finite-State Translation Systems, and Polynomial-Time Recognizable Subclasses of Lexical-Functional Grammars. | Hiroyuki Seki, Ryuichi Nakanishi, Yuichi Kaji, Sachiko Ando, Tadao Kasami |