| 2021 | ICISC | Revocable Hierarchical Identity-Based Authenticated Key Exchange. | Yuki Okano, Junichi Tomida, Akira Nagai, Kazuki Yoneyama, Atsushi Fujioka, Koutarou Suzuki |
| 2020 | IWSEC | Accelerating Beta Weil Pairing with Precomputation and Multi-pairing Techniques. | Kai Kinoshita, Koutarou Suzuki |
| 2019 | ESORICS | Strongly Secure Identity-Based Key Exchange with Single Pairing Operation. | Junichi Tomida, Atsushi Fujioka, Akira Nagai, Koutarou Suzuki |
| 2016 | ASIACRYPT | How to Circumvent the Two-Ciphertext Lower Bound for Linear Garbling Schemes. | Carmen Kempka, Ryo Kikuchi, Koutarou Suzuki |
| 2015 | ASIACRYPT | Garbling Scheme for Formulas with Constant Size of Garbled Gates. | Carmen Kempka, Ryo Kikuchi, Susumu Kiyoshima, Koutarou Suzuki |
| 2014 | CANS | Converting PKI-Based Authenticated Key Exchange to Identity-Based. | Koutarou Suzuki, Kazuki Yoneyama |
| 2014 | IWSEC | Secure Multi-Party Computation for Elliptic Curves. | Koutarou Suzuki, Kazuki Yoneyama |
| 2013 | ACNS | Exposure-Resilient One-Round Tripartite Key Exchange without Random Oracles. | Koutarou Suzuki, Kazuki Yoneyama |
| 2013 | CCS | Practical and post-quantum authenticated key exchange from one-way secure key encapsulation mechanism. | Atsushi Fujioka, Koutarou Suzuki, Keita Xagawa, Kazuki Yoneyama |
| 2012 | ACISP | Sufficient Condition for Ephemeral Key-Leakage Resilient Tripartite Key Exchange. | Atsushi Fujioka, Mark Manulis, Koutarou Suzuki, Berkant Ustaoglu |
| 2012 | PKC | Strongly Secure Authenticated Key Exchange from Factoring, Codes, and Lattices. | Atsushi Fujioka, Koutarou Suzuki, Keita Xagawa, Kazuki Yoneyama |
| 2011 | ICISC | Sufficient Condition for Identity-Based Authenticated Key Exchange Resilient to Leakage of Secret Keys. | Atsushi Fujioka, Koutarou Suzuki |
| 2010 | IWSEC | Hierarchical ID-Based Authenticated Key Exchange Resilient to Ephemeral Key Leakage. | Atsushi Fujioka, Koutarou Suzuki, Kazuki Yoneyama |
| 2010 | Pairing | Ephemeral Key Leakage Resilient and Efficient ID-AKEs That Can Share Identities, Private and Master Keys. | Atsushi Fujioka, Koutarou Suzuki, Berkant Ustaoglu |
| 2010 | Pairing | Anonymizable Signature and Its Construction from Pairings. | Fumitaka Hoshino, Tetsutaro Kobayashi, Koutarou Suzuki |
| 2010 | WISA | Predicate-Based Authenticated Key Exchange Resilient to Ephemeral Key Leakage. | Atsushi Fujioka, Koutarou Suzuki, Kazuki Yoneyama |
| 2009 | CANS | Relinkable Ring Signature. | Koutarou Suzuki, Fumitaka Hoshino, Tetsutaro Kobayashi |
| 2009 | ICISC | Modeling Leakage of Ephemeral Secrets in Tripartite/Group Key Exchange. | Mark Manulis, Koutarou Suzuki, Berkant Ustaoglu |
| 2009 | PKC | Anonymous Hierarchical Identity-Based Encryption with Constant Size Ciphertexts. | Jae Hong Seo, Tetsutaro Kobayashi, Miyako Ohkubo, Koutarou Suzuki |
| 2007 | PKC | Traceable Ring Signature. | Eiichiro Fujisaki, Koutarou Suzuki |
| 2005 | FC | Secure Multi-attribute Procurement Auction. | Koutarou Suzuki, Makoto Yokoo |
| 2005 | WISA | Secure Multi-attribute Procurement Auction. | Koutarou Suzuki, Makoto Yokoo |
| 2005 | WISA | Efficient, Non-optimistic Secure Circuit Evaluation Based on the ElGamal Encryption. | Go Yamamoto, Koji Chida, Anderson C. A. Nascimento, Koutarou Suzuki, Shigenori Uchiyama |
| 2004 | FC | Secure Generalized Vickrey Auction without Third-party Servers. | Makoto Yokoo, Koutarou Suzuki |
| 2003 | FC | Secure Generalized Vickrey Auction Using Homomorphic Encryption. | Koutarou Suzuki, Makoto Yokoo |
| 2002 | ASIACRYPT | 1-out-of-n Signatures from a Variety of Keys. | Masayuki Abe, Miyako Ohkubo, Koutarou Suzuki |
| 2002 | CP | Secure Distributed Constraint Satisfaction: Reaching Agreement without Revealing Private Information. | Makoto Yokoo, Koutarou Suzuki, Katsutoshi Hirayama |
| 2002 | FC | Secure Combinatorial Auctions by Dynamic Programming with Polynomial Secret Sharing. | Koutarou Suzuki, Makoto Yokoo |
| 2002 | PKC | M+1-st Price Auction Using Homomorphic Encryption. | Masayuki Abe, Koutarou Suzuki |
| 2000 | ICISC | Efficient Sealed-Bid Auction Using Hash Chain. | Koutarou Suzuki, Kunio Kobayashi, Hikaru Morita |