Modeling the Relationship Between Stress and Appetite to Create a Dish Recommendation System Based on Desired Nutrients. - Hiroya Kato; Toru Nakata; Toshikazu Kato (AHFE (1), 2017)

Texting while Walking Deterrence System by Vibration of Smartphone. - Hiroya Kato; Ryuya Uda (IMCOM, 2018)

Trust-based Verification Attack Prevention Scheme using Tendency of Contents Request on NDN. - Hironori Nakano; Hiroya Kato; Shuichiro Haruta; Masashi Yoshida; Iwao Sasase (APCC, 2019)

An Effective Feature Selection Scheme for Android ICC-Based Malware Detection Using the Gap of the Appearance Ratio. - Kyohei Osuge; Hiroya Kato; Shuichiro Haruta; Iwao Sasase (IEICE Trans. Inf. Syst., 2019)

A Preprocessing Methodology by Using Additional Steganography on CNN-based Steganalysis. - Hiroya Kato; Kyohei Osuge; Shuichiro Haruta; Iwao Sasase (GLOBECOM, 2020)

A Preprocessing by Using Multiple Steganography for Intentional Image Downsampling on CNN-Based Steganalysis. - Hiroya Kato; Kyohei Osuge; Shuichiro Haruta; Iwao Sasase (IEEE Access, 2020)

Android Malware Detection Scheme Based on Level of SSL Server Certificate. - Hiroya Kato; Shuichiro Haruta; Iwao Sasase (IEICE Trans. Inf. Syst., 2020)

A Website Fingerprinting Attack based on the Virtual Memory of the Process on Android Devices. - Tatsuya Okazaki; Hiroya Kato; Shuichiro Haruta; Iwao Sasase (APCC, 2021)

Adversarial Text-Based CAPTCHA Generation Method Utilizing Spatial Smoothing. - Yuichiro Matsuura; Hiroya Kato; Iwao Sasase (GLOBECOM, 2021)

Rogue Access Point Detection by Using ARP Failure under the MAC Address Duplication. - Kosuke Igarashi; Hiroya Kato; Iwao Sasase (PIMRC, 2021)

Android Malware Detection Based on Composition Ratio of Permission Pairs. - Hiroya Kato; Takahiro Sasaki; Iwao Sasase (IEEE Access, 2021)

A Realtime IoT Malware Classification System Based on Pending Samples. - Taichi Igarashi; Hiroya Kato; Iwao Sasase; Kanta Matsuura (ICC, 2023)

Gradient-Based Clean Label Backdoor Attack to Graph Neural Networks. - Ryo Meguro; Hiroya Kato; Shintaro Narisada; Seira Hidano; Kazuhide Fukushima; Takuo Suganuma; Masahiro Hiji (ICISSP, 2024)

EdgePruner: Poisoned Edge Pruning in Graph Contrastive Learning. - Hiroya Kato; Kento Hasegawa; Seira Hidano; Kazuhide Fukushima (SaTML, 2024)

Flexible Noise Based Robustness Certification Against Backdoor Attacks in Graph Neural Networks. - Hiroya Kato; Ryo Meguro; Seira Hidano; Takuo Suganuma; Masahiro Hiji (ICISSP (2), 2025)

AI Security Map: Holistic Organization of AI Security Technologies and Impacts on Stakeholders. - Hiroya Kato; Kentaro Kita; Kento Hasegawa; Seira Hidano (CoRR, 2025)