N. Togawa

Most-cited papers

Node-Wise Hardware Trojan Detection Based on Graph Learning
Kento Hasegawa, Kazuki Yamashita, Seira Hidano, Kazuhide Fukushima +2 more
2021IEEE transactions on computers64 citations Open access
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Performance Comparison of Typical Binary-Integer Encodings in an Ising Machine
K. Tamura, Tatsuhiko Shirai, H. Katsura, Shu Tanaka +1 more
2021IEEE Access54 citations Open access
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R-HTDetector: Robust Hardware-Trojan Detection Based on Adversarial Training
Kento Hasegawa, Seira Hidano, Kohei Nozawa, S. Kiyomoto +1 more
2022IEEE transactions on computers51 citations Open access
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Hardware-Trojan Classification based on the Structure of Trigger Circuits Utilizing Random Forests
Tatsuki Kurihara, N. Togawa
2021IEEE International Symposium on On-Line Testing and Robust System Design36 citations
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Hybrid Annealing Method Based on subQUBO Model Extraction With Multiple Solution Instances
Yuta Atobe, Masashi Tawada, N. Togawa
2022IEEE transactions on computers35 citations Open access
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Towards optimization of photonic-crystal surface-emitting lasers via quantum annealing.
T. Inoue, Y. Seki, Shu Tanaka, N. Togawa +2 more
2022Optics Express33 citations Open access
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Generating Adversarial Examples for Hardware-Trojan Detection at Gate-Level Netlists
Kohei Nozawa, Kento Hasegawa, Seira Hidano, S. Kiyomoto +2 more
2021Journal of Information Processing17 citations Open access
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An Ising-Machine-Based Solver of Vehicle Routing Problem With Balanced Pick-Up
Si-Ya Bao, Masashi Tawada, Shu Tanaka, N. Togawa
2024IEEE transactions on consumer electronics16 citations
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Spin-Variable Reduction Method for Handling Linear Equality Constraints in Ising Machines
Tatsuhiko Shirai, N. Togawa
2023IEEE transactions on computers16 citations Open access
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Analysis and Acceleration of the Quadratic Knapsack Problem on an Ising Machine
Matthieu Parizy, N. Togawa
2021IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences15 citations Open access
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An Approach to the Vehicle Routing Problem with Balanced Pick-up Using Ising Machines
Si-Ya Bao, Masashi Tawada, Shu Tanaka, N. Togawa
2021International Symposium on VLSI Design, Automation and Test15 citations
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Multi-day Travel Planning Using Ising Machines for Real-world Applications
Si-Ya Bao, Masashi Tawada, Shu Tanaka, N. Togawa
2021International Conference on Intelligent Transportation Systems14 citations
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Multi-Objective Trip Planning Based on Ant Colony Optimization Utilizing Trip Records
Etsushi Saeki, Si-Ya Bao, Toshinori Takayama, N. Togawa
2022IEEE Access12 citations Open access
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Evaluation of Ensemble Learning Models for Hardware-Trojan Identification at Gate-level Netlists
Ryotaro Negishi, N. Togawa
2024IEEE International Conference on Consumer Electronics11 citations
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An Ising Machine-Based Solver for Visiting-Route Recommendation Problems in Amusement Parks
Yosuke Mukasa, Tomoya Wakaizumi, Shu Tanaka, N. Togawa
2021IEICE Trans. Inf. Syst.11 citations Open access
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Dynamical Process of a Bit-Width Reduced Ising Model With Simulated Annealing
Shuta Kikuchi, N. Togawa, Shu Tanaka
2023IEEE Access10 citations Open access
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Hardware-Trojan Detection at Gate-level Netlists using Gradient Boosting Decision Tree Models
Ryotaro Negishi, Tatsuki Kurihara, N. Togawa
20222022 IEEE 12th International Conference on Consumer Electronics (ICCE-Berlin)10 citations
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Cardinality Constrained Portfolio Optimization on an Ising Machine
Matthieu Parizy, P. Sadowski, N. Togawa
2022ACM Symposium on Cloud Computing10 citations
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A Three-Stage Annealing Method Solving Slot-Placement Problems Using an Ising Machine
Keisuke Fukada, Matthieu Parizy, Yoshinori Tomita, N. Togawa
2021IEEE Access10 citations Open access
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Compressed Space Quantum Approximate Optimization Algorithm for Constrained Combinatorial Optimization
Tatsuhiko Shirai, N. Togawa
2024IEEE Transactions on Quantum Engineering9 citations Open access
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Hardware-Trojan Detection at Gate-Level Netlists Using a Gradient Boosting Decision Tree Model and Its Extension Using Trojan Probability Propagation
Ryotaro Negishi, Tatsuki Kurihara, N. Togawa
2024IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences8 citations Open access
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Toward Practical Benchmarks of Ising Machines: A Case Study on the Quadratic Knapsack Problem
Kentaro Ohno, Tatsuhiko Shirai, N. Togawa
2024IEEE Access8 citations Open access
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Trip Planning Based on subQUBO Annealing
Tatsuya Noguchi, Keisuke Fukada, Si-Ya Bao, N. Togawa
2023IEEE Access8 citations Open access
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Hybrid Optimization Method Using Simulated-Annealing-Based Ising Machine and Quantum Annealer
Shuta Kikuchi, N. Togawa, Shu Tanaka
2023Journal of the Physical Society of Japan8 citations Open access
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Multi-Spin-Flip Engineering in an Ising Machine
Tatsuhiko Shirai, N. Togawa
2023IEEE transactions on computers8 citations Open access
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Effective Hardware-Trojan Feature Extraction Against Adversarial Attacks at Gate-Level Netlists
Kazuki Yamashita, Tomohiro Kato, Kento Hasegawa, Seira Hidano +2 more
2022IEEE International Symposium on On-Line Testing and Robust System Design7 citations
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Data Augmentation for Machine Learning-Based Hardware Trojan Detection at Gate-Level Netlists
Kento Hasegawa, Seira Hidano, Kohei Nozawa, S. Kiyomoto +1 more
2021IEEE International Symposium on On-Line Testing and Robust System Design7 citations
Semantic Scholar
Effectiveness of Hybrid Optimization Method for Quantum Annealing Machines
Shuta Kikuchi, N. Togawa, Shu Tanaka
20256 citations
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A GPU-Based Ising Machine With a Multi-Spin-Flip Capability for Constrained Combinatorial Optimization
Satoru Jimbo, Tatsuhiko Shirai, N. Togawa, Masato Motomura +1 more
2024IEEE Access6 citations Open access
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Postprocessing Variationally Scheduled Quantum Algorithm for Constrained Combinatorial Optimization Problems
Tatsuhiko Shirai, N. Togawa
2023IEEE Transactions on Quantum Engineering6 citations Open access
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Optimization of Base Station Power Supply Selection by Quantum Annealing
Chihiro Dogo, Kazuhiro Saito, N. Togawa
2024International Conference on Quantum Computing and Engineering5 citations
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Prioritizing Vulnerability Assessment Items Using LLM Based on IoT Device Documentations
Yuka Ikegami, Ryotaro Negishi, Kento Hasegawa, Seira Hidano +3 more
20242024 11th International Conference on Internet of Things: Systems, Management and Security (IOTSMS)5 citations
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An Efficient Combined Bit-Width Reducing Method for Ising Models
Yuta Yachi, Masashi Tawada, N. Togawa
2023IEICE Trans. Inf. Syst.5 citations Open access
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A Constrained Graph Coloring Solver Based on Ising Machines
Soma Kawakami, Yosuke Mukasa, Si-Ya Bao, De-Ma Ba +4 more
2023IEEE International Conference on Consumer Electronics5 citations
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Efficient Coefficient Bit-Width Reduction Method for Ising Machines
Yuta Yachi, Yousuke Mukasa, Masashi Tawada, N. Togawa
2022IEEE International Conference on Consumer Electronics5 citations
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Fast Hyperparameter Tuning for Ising Machines
Matthieu Parizy, Norihiro Kakuko, N. Togawa
2022IEEE International Conference on Consumer Electronics5 citations Open access
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Solving Constrained Slot Placement Problems Using an Ising Machine and Its Evaluations
Sho Kanamaru, Kazushi Kawamura, Shu Tanaka, Yoshinori Tomita +1 more
2021IEICE Trans. Inf. Syst.5 citations Open access
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Trojan-Net Classification for Gate-Level Hardware Design Utilizing Boundary Net Structures
Kento Hasegawa, M. Yanagisawa, N. Togawa
2020IEICE Trans. Inf. Syst.5 citations Open access
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Optimization of Practical Time-Dependent Vehicle Routing Problem by Ising Machines
Yui Tsuyumine, Kenichi Masuda, Takeshi Hachikawa, Tsuyoshi Haga +4 more
2024IEEE International Conference on Consumer Electronics4 citations
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QuDASH: Quantum-Inspired Rate Adaptation Approach for DASH Video Streaming
Bo Wei, Hang Song, Makoto Nakamura, Koichi Kimura +2 more
2022IEEE Access4 citations Open access
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An Anomalous Behavior Detection Method Utilizing Extracted Application-Specific Power Behaviors
Kazunari Takasaki, Ryoichi Kida, N. Togawa
2021IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences4 citations
Semantic Scholar
A Route Recommendation Method Considering Individual User's Preferences by Monte-Carlo Tree Search and Its Evaluations
Yuta Ishizaki, Yurie Koyama, Toshinori Takayama, N. Togawa
2021Journal of Information Processing4 citations Open access
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An Indoor Positioning Method using Smartphone and Smartwatch Independent of Carrying Modes
Tomoya Wakaizumi, N. Togawa
2021IEEE International Conference on Consumer Electronics4 citations
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SubQUBO Annealing Based on Efficient Binary Variable Selection for Combinatorial Optimization Problems with One-Hot Constraints
Tatsuya Noguchi, Keisuke Fukada, Si-Ya Bao, N. Togawa
2025IEEE International Conference on Consumer Electronics3 citations
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Anomalous IoT Behavior Detection by Generated Power Waveforms with Hyper-parameter Tuning
Ryusei Eda, Kota Hisafuru, N. Togawa
2024IEEE International Symposium on On-Line Testing and Robust System Design3 citations
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Initial Seeds Generation Using LLM for IoT Device Fuzzing
Hibiki Nakanishi, Kota Hisafuru, Kento Hasegawa, Seira Hidano +3 more
20242024 11th International Conference on Internet of Things: Systems, Management and Security (IOTSMS)3 citations
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Ising-Machine-Based Solver for Constrained Graph Coloring Problems
Soma Kawakami, Yosuke Mukasa, Si-Ya Bao, De-Ma Ba +4 more
2024IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences3 citations Open access
Semantic Scholar
Multi-Day Intermodal Travel Planning for Urban Cities Using Ising Machines
Si-Ya Bao, N. Togawa
20232023 IEEE 26th International Conference on Intelligent Transportation Systems (ITSC)3 citations
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Hardware-Trojan Detection Based on the Structural Features of Trojan Circuits Using Random Forests
Tatsuki Kurihara, N. Togawa
2022IEICE Transactions on Fundamentals of Electronics Communications and Computer Sciences3 citations
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QUBO Matrix Distorting Method for Consumer Applications
Tomokazu Yoshimura, Tatsuhiko Shirai, Masashi Tawada, N. Togawa
2022IEEE International Conference on Consumer Electronics3 citations
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