[May. 2025] Our paper "MergePrint: Merge-Resistant Fingerprints for Robust Black-box Ownership Verification of Large Language Models" at ACL 2025 (Main)
[Feb. 2024] Our paper "Watermark-embedded Adversarial Examples for Copyright Protection against Diffusion Models" has been accepted at CVPR 2024
[Dec. 2023] Our paper "Understanding Likelihood of Normalizing Flow and Image Complexity through the Lens of Out-of-Distribution Detection" has been accepted at AAAI 2024
[Jul. 2023] Our paper "Frequency-aware GAN for Adversarial Manipulation Generation" has been accepted at ICCV 2023
[Apr. 2022] Our paper "HDPView: Differentially Private Materialized View for Exploring High Dimensional Relational Data" has been accepted at VLDB 2022 (PVLDB Vol. 15).
[Mar. 2022] Our paper "Network Shuffling: Privacy Amplification via Random Walks" has been accepted at SIGMOD 2022.
[Jan. 2022] Our paper "PEARL: Private Embeddings and Adversarial Reconstruction Learning" has been accepted at ICLR 2022.
Nov. 2024 - present: Turing Inc. / Principal Researcher
Mar. 2024 - Nov. 2024: SB Intuitions Corp. / Chief Scientist
Oct. 2023 - Nov. 2024: LY Corp. / Senior Chief Researcher, Senior Manager
Dec. 2018 - Sep. 2023: LINE Corporation / Senior Research Scientist, R&D Manager
Mar. 2015 - Mar. 2016: Carnegie Mellon University (Supervisor: Christos Faloutsos) / Visiting Scholar
Apr. 2013 - Mar. 2014: PhD. in Engineering, University of Tsukuba (Supervisor: Hiroyuki Kitagawa)
Apr. 2010 - Nov. 2018: NEC Corporation / Researcher
Apr. 2008 - Mar. 2010: Master in Engineering, University of Tsukuba (Supervisor: Hiroyuki Kitagawa)
Apr. 2006 - Mar. 2008: Bachelor in Information Engineering, University of Tsukuba (Supervisor: Hiroyuki Kitagawa)
Apr. 2001 - Mar. 2006: Kisarazu National College of Technology
MergePrint: Merge-Resistant Fingerprints for Robust Black-box Ownership Verification of Large Language Models
ACT-Bench: Towards Action Controllable World Models for Autonomous Driving
eCommTouch: A Benchmark Dataset for Touch-based Continuous Mobile Device Authentication for e-Commerce
Self-Preference Bias in LLM-as-a-Judge
Watermark-embedded Adversarial Examples for Copyright Protection against Diffusion Models
Understanding Likelihood of Normalizing Flow and Image Complexity through the Lens of Out-of-Distribution Detection
IPEQ: Querying Multi-Attribute Records with Inner Product Encryption
Touch-based Continous Mobile Device Authentication Using One-vs-One Classification Approach
Frequency-aware GAN for Adversarial Manipulation Generation
Fair and Robust Metric for Evaluating Touch-based Continuous Mobile Device Authentication
Out-of-Distribution Detection with Reconstruction Error and Typicality-based Penalty
HDPView: Differentially Private Materialized View for Exploring High Dimensional Relational Data
Network Shuffling: Privacy Amplification via Random Walks
PEARL: Private Embeddings and Adversarial Reconstruction Learning
Homomorphic Encryption-Friendly Privacy-Preserving Partitioning Algorithm for Differential Privacy
Construction of Differentially Private Summaries Over Fully Homomorphic Encryption
P3GM: Private High-Dimensional Data Release via Privacy Preserving Phased Generative Model
Disentangling Clustered Representations of Variational Autoencoders for Generating Diverse Samples
Differentially Private Variational Autoencoders with Term-wise Gradient Aggregation
Locally Private Distributed Reinforcement Learning
Sound Event Localization and Detection Using Convolutional Recurrent Neural Networks and Gated Linear Units
Indirect Adversarial Attacks via Poisoning Neighbors for Graph Convolutional Networks
Glassmasq: Adversarial examples masquerading in face identification systems with feature extractor
Autocyclone: Automatic mining of cyclic online activities with robust tensor factorization
Efficient and tailor-made anonymization for relational and transactional medical records
Improvement of pk-anonymization
Top-down itemset recoding for releasing private complex data
CMOA: continuous moving object anonymization
TURank: Twitter user ranking based on user-tweet graph analysis
A ranking method for web search using social bookmarks
S-BITS: social-bookmarking induced topic search
Scaling Private Deep Learning with Low-Rank and Sparse Gradients
Acceleration of a Differentially Private Partitioning Algorithm over Homomorphic Encryption
A Scheme for Fast k-Concealment Anonymization
Privacy Preserving Publishing of Sensitive Attributes in Binary Relations
Ranking Twitter Users Based on Information Propagation Graph Analysis
Real-time k-anonymization for Trajectory Stream
Social bookmarking induced active page ranking
[Mar. 2024] Tutorial at DEIM 2025:「Vision Language Modelと完全自動運転AIの最新動向」
[Dec. 2024] Tutorial at ADC 2024: "Security, Privacy, and Trust in Generative AI"
[Nov. 2024] 順天堂大学「AI技術とビジネス活用」にて3コマ講義を担当しました
[Jul. 2024] 統計数理研究所 リスク解析戦略研究センターシンポジウム2024に登壇
[Jul. 2024] Tutorial at DASFAA2024: "Secure and Private Federated Learning with Differential Privacy"
[Jun. 2024] 東京工業大学「応用AI・データサイエンスA」にて講義をしました
[Jun. 2024] 慶應義塾大学「先端研究(CI)」にてTrustworthy Machine Learningについて講義をしました
[Jun. 2024] 早稲田大学「自然言語処理」にてTrustworthy Machine Learningについて講義をしました
[Jun. 2024] デジタル庁で差分プライバシーに関する勉強会の講師をしました
資料: https://speakerdeck.com/lycorptech_jp/20240624a
[May. 2024] Oracle Developer Dayに登壇しました
動画: https://youtu.be/SzBVnGbT5CQ?si=yAERle2GZZcu1f8W
[Jan. 2024] 名古屋大学で差分プライバシーと連合学習に関する講義をしました
[Nov. 2023] 順天堂大学「AI技術とビジネス活用」にて3コマ講義を担当
[Oct. 2023] コンピュータセキュリティシンポジウム 2023 PWS企画「生成AIに関する問題と技術、制度的な対応について」に登壇しました
資料: https://speakerdeck.com/lycorptech_jp/risks-and-countermeasures-for-generative-ai
[Jul. 2023] 早稲田大学「自然言語処理」にてTrustworthy Machine Learningについて講義をしました
[Jun. 2023] 慶應義塾大学「先端研究(CI)」にてDifferential Privacyについて講義をしました
[Dec. 2022] 順天堂大学「AI技術とビジネス活用」にて3コマ講義を担当
[Nov. 2022] 東京工業大学「応用AI・データサイエンスA」にて1コマ講義を担当
[Jul. 2022] 早稲田大学「自然言語処理」にて1コマ講義を担当
[Nov. 2021] 東京工業大学「応用AI・データサイエンスA」にて1コマ講義を担当
[Jun. 2020] 東京大学大学院経済学研究科「AIビジネス活用」第8回「AIとセキュリティ・プライバシー」の講義をしました
[Nov. 2019] 早稲田大学大学院基幹理工学研究科「情報検索」にて「Data Privacy -Data Anonymization and Differential Privacy-」の講義をしました
PC: ICCV2025, CVPR2025, AAAI2025, ICLR2025, KDD2025, CVPR2024, KDD2024, AAAI2024, SDM2024, KDD2023, SDM2023, PPAI2023, KDD2022, SDM2022, ...
DEIM2022産学連携委員長 / DEIM2021産学連携副委員長
CSS2024,25 PWS Track Chair / CSS2023 PWS Track 副Chair
DBSJ Kambayashi Young Researcher Award (上林奨励賞)
DEIM2022, DEIM2023 優秀論文賞
CSS2024 CSS学生論文賞, CSS2023 CSS奨励賞
筑波大学大学院システム情報工学研究科コンピュータサイエンス専攻 専攻長表彰
[Feb. 2023] LINEで進むプライバシーテックの実装──基礎研究を経て、事業の最前線へ身を投じた2人が描く世界とは
[Sep. 2019] 【不足するAI人材、その実態とは?】LINEのリサーチラボで働くAIリサーチャーの知られざる働き方 has been released.
[Jul. 2019] 企業研究所カンファレンスCCSE2019に登壇しました