| 2024 | ISITA | $k^{m}$-Anonymization Meets Differential Privacy Under Sampling. | Masaya Kobayashi, Atsushi Fujioka, Koji Chida, Akira Nagai, Kan Yasuda |
| 2024 | IWSEC | A Study on Anonymization Through Participation in iPWS Cup 2023. | Kabuto Okajima, Koji Chida |
| 2024 | MDAI | Experimental Evaluation for Risk Assessment of Privacy Preserving Synthetic Data. | Koji Chida, Susumu Kakuta, Hiroyuki Itakura, Ichiro Ishihara, Kosuke Yoshioka, Hiroshi Takeuchi |
| 2024 | PST | Pk-Anonymization Meets Differential Privacy. | Masaya Kobayashi, Atsushi Fujioka, Koji Chida, Akira Nagai, Kan Yasuda |
| 2023 | AsiaCCS | Communication-Efficient Inner Product Private Join and Compute with Cardinality. | Koji Chida, Koki Hamada, Atsunori Ichikawa, Masanobu Kii, Junichi Tomida |
| 2023 | PST | Extended k | Masaya Kobayashi, Atsushi Fujioka, Koji Chida |
| 2018 | ACISP | Efficient Bit-Decomposition and Modulus-Conversion Protocols with an Honest Majority. | Ryo Kikuchi, Dai Ikarashi, Takahiro Matsuda, Koki Hamada, Koji Chida |
| 2018 | CCS | High-Throughput Secure AES Computation. | Koji Chida, Koki Hamada, Dai Ikarashi, Ryo Kikuchi, Benny Pinkas |
| 2018 | CRYPTO | Fast Large-Scale Honest-Majority MPC for Malicious Adversaries. | Koji Chida, Daniel Genkin, Koki Hamada, Dai Ikarashi, Ryo Kikuchi, Yehuda Lindell, Ariel Nof |
| 2015 | CANS | Practical Password-Based Authentication Protocol for Secret Sharing Based Multiparty Computation. | Ryo Kikuchi, Koji Chida, Dai Ikarashi, Koki Hamada |
| 2015 | IWSEC | k-Anonymous Microdata Release via Post Randomisation Method. | Dai Ikarashi, Ryo Kikuchi, Koji Chida, Katsumi Takahashi |
| 2013 | ACISP | Secret Sharing Schemes with Conversion Protocol to Achieve Short Share-Size and Extendibility to Multiparty Computation. | Ryo Kikuchi, Koji Chida, Dai Ikarashi, Koki Hamada, Katsumi Takahashi |
| 2012 | ICISC | Practically Efficient Multi-party Sorting Protocols from Comparison Sort Algorithms. | Koki Hamada, Ryo Kikuchi, Dai Ikarashi, Koji Chida, Katsumi Takahashi |
| 2008 | IWSEC | Privacy Preserving Computations without Public Key Cryptographic Operation. | Koji Chida, Katsumi Takahashi |
| 2007 | IWSEC | Secure Anonymous Communications with Practical Anonymity Revocation Scheme. | Koji Chida, Osamu Shionoiri, Atsushi Kanai |
| 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 |