| 2022 | ACNS | Output Prediction Attacks on Block Ciphers Using Deep Learning. | Hayato Kimura, Keita Emura, Takanori Isobe, Ryoma Ito, Kazuto Ogawa, Toshihiro Ohigashi |
| 2022 | WISA | Membership Privacy for Asynchronous Group Messaging. | Keita Emura, Kaisei Kajita, Ryo Nojima, Kazuto Ogawa, Go Ohtake |
| 2020 | ProvSec | Short Lattice Signatures in the Standard Model with Efficient Tag Generation. | Kaisei Kajita, Kazuto Ogawa, Koji Nuida, Tsuyoshi Takagi |
| 2019 | HCI | Privacy Preserving System for Real-Time Enriched-Integrated Service with Feedback to Providers. | Kaisei Kajita, Kazuto Ogawa, Go Ohtake |
| 2019 | HCI | Privacy Preservation for Versatile Pay-TV Services. | Kazuto Ogawa, Koji Nuida |
| 2016 | SCN | Attribute-Based Encryption for Range Attributes. | Nuttapong Attrapadung, Goichiro Hanaoka, Kazuto Ogawa, Go Ohtake, Hajime Watanabe, Shota Yamada |
| 2011 | WISA | Application Authentication for Hybrid Services of Broadcasting and Communications Networks. | Go Ohtake, Kazuto Ogawa |
| 2010 | ProvSec | Efficient Broadcast Encryption with Personalized Messages. | Go Ohtake, Goichiro Hanaoka, Kazuto Ogawa |
| 2008 | IWSEC | Chosen Ciphertext Secure Public Key Encryption with a Simple Structure. | Goichiro Hanaoka, Hideki Imai, Kazuto Ogawa, Hajime Watanabe |
| 2007 | INDOCRYPT | Trade-Off Traitor Tracing. | Kazuto Ogawa, Go Ohtake, Goichiro Hanaoka, Hideki Imai |
| 2007 | KES | Anonymous Authentication Scheme for Subscription Services. | Arisa Fujii, Go Ohtake, Goichiro Hanaoka, Kazuto Ogawa |
| 2007 | KES | Anonymous Pay-TV System with Secure Revenue Sharing. | Kazuto Ogawa, Goichiro Hanaoka, Kazukuni Kobara, Kanta Matsuura, Hideki Imai |
| 2007 | SECRYPT | Anonymous Prepaid Content Viewing System with Mobile Terminal. | Toshiyuki Fujisawa, Kazuto Ogawa, Takeshi Kimura, Masaki Inamura, Toshiaki Tanaka |
| 2006 | ACISP | Adaptively Secure Traitor Tracing Against Key Exposure and Its Application to Anywhere TV Service. | Kazuto Ogawa, Goichiro Hanaoka, Hideki Imai |
| 2006 | SECRYPT | Flexible License Transfer System Using Mobile Terminal. | Masaki Inamura, Toshiaki Tanaka, Toshiyuki Fujisawa, Kazuto Ogawa, Takeshi Kimura |
| 2005 | ISIT | A secure traitor tracing scheme against key exposure. | Kazuto Ogawa, Goichiro Hanaoka, Hideki Imai |
| 2003 | ACISP | Separating Encryption and Key Issuance in Digital Rights Management Systems. | Goichiro Hanaoka, Kazuto Ogawa, Itsuro Murota, Go Ohtake, Keigo Majima, Kimiyuki Oyamada, Seiichi Gohshi, Seiichi Namba, Hideki Imai |