Yuki Kashiwada/ 柏田祐樹

HR Service Company— AI Engineer (Contract)

AI development lead for multiple generative-AI product features. Built LLM-based chat and document-revision features and shipped them into a service used by 100k+ users. (Next.js / FastAPI / GCP / Vertex AI / Gemini, team of 5)

BINARISTA, Inc.— Board Member / PdM & AI Engineer

Product management, development, and operation of an enterprise sales-support AI-agent SaaS. Built the product from scratch and acquired new customers. (Next.js / FastAPI / LangChain / LangSmith / Gemini API / PostgreSQL, team of 5)

SherLOCK, Inc.— CTO

Led AI-security consulting and product development. Conducted LLM security assessments and won a joint-research project with a research institute and a PoC with a major enterprise. (Next.js / FastAPI / OpenAI API, team of 4)

RIKEN Center for Advanced Intelligence Project (AIP), Statistical Genetics Team— Research Part-time Worker I

Engaged in medical AI research in the Statistical Genetics Team.

Entertainment Company— AI Development Lead (Contract)

Developed person-detection and image-processing AI, improving detection accuracy from 90% to 96%. Owned planning through implementation. (PyTorch / TensorFlow / GCE, team of 8)

Climate-tech SaaS Company— AI Engineer (Contract)

Built an NLP-based invoice-PDF recognition AI, improving multi-field extraction accuracy from 40% to 80%. (PyTorch / spaCy / GCP, team of 5)

NTT DATA Corporation— Senior Data Scientist

AI development lead on a smart pig-farming project. Designed and built an end-to-end AI pipeline, improving accuracy from 65% to 90% and reaching on-site deployment. Also launched a new data-science team. (PyTorch / TensorFlow / Databricks / React / Flask, team of 10)

NABLAS Inc.— AI Engineer

Built anomaly-detection systems for manufacturing image and time-series data, achieving 85%+ accuracy in automotive-part defect detection. (PyTorch / TensorFlow / scikit-learn / tslearn, team of 5–7)

Tohoku University Graduate School of Medicine— Ph.D. Course, Medical Science (expected Sep 2026)

Medical AI research: breast cancer detection in mammography, EEG analysis, and LLM applications to electronic health records.

The University of Tokyo, Graduate School of Science— M.Sc., Astronomy

Waseda University— B.Sc., Earth Science, School of Education

Differentiation between epileptic and functional/dissociative seizures using density spectral array of ictal single-channel EEG with deep learning

K. Konomatsu, Y. Kashiwada, T. Kubota, et al. — Epilepsy & Behavior, 172:110713

Deep learning on density spectral arrays of single-channel ictal EEG to differentiate epileptic from functional/dissociative seizures (AUC 0.941).

Applying vision transformer to assess multi-scale morphological features in mammography for breast cancer detection: MIME-ViT

Y. Kashiwada, E. Takaya, M. Hiroya, et al. — PeerJ Computer Science, 11:e3252

Lead author. Proposed a model integrating ViT and CNN to capture multi-scale morphological features in mammography for breast cancer detection.

TOMPEI-CMMD Dataset

Y. Kashiwada, E. Takaya, M. Hiroya, et al. — The Cancer Imaging Archive (TCIA)

Lead author. An annotated mammography dataset for developing and validating breast cancer detection AI, publicly available on TCIA.

退院サマリへの大規模言語モデル適用による症例自動抽出

柏田祐樹 ほか — 日本メディカルAI学会 学術集会

Automated case extraction from discharge summaries using large language models (paper in preparation).

Vision Transformerによるマンモグラフィ乳癌識別モデルの開発

柏田祐樹 ほか — 学会発表

The paper based on this work was published in PeerJ Computer Science (MIME-ViT).

Effects of galactic structures on solar motion measurements

柏田祐樹 ほか — 学会発表

Presentation on the effects of galactic structures on solar motion measurements (astronomy).

MedTech Angels Season 4— Special Award (BD Fund and RD Support)

MiTOHOKU 2024 (Regional MITOU Program)— Grand Prize

Japan Epilepsy Society— Excellent Poster Award

Tohoku University Business Idea Contest 2023 (personalized epilepsy medicine)— Grand Prize & EY Award

Information processing method for brain disease assessment (JP App. 2024-35856)— Patent application

Information Security Management Examination (SG)— IPA

JDLA Deep Learning for ENGINEER (E-shikaku)— JDLA

Generative AI Test— JDLA

Kaggle Expert (4 silver medals)— Kaggle

JDLA Deep Learning for GENERAL (G-kentei)— JDLA

Data Scientist Certification (Literacy Level)— Data Scientist Society

Duolingo English Test 115 (≈ TOEFL 90)— Duolingo

TOEIC 840— ETS

OWASP— Supervising translator, OWASP Top 10 for LLM Applications 2025 (Japanese edition)

Tohoku University School of Medicine— Co-founding member, personalized epilepsy medicine team "perple"

R&D on personalized epilepsy medicine using genetic data. Awarded 60M JPY over 3 years by the Michinoku Gap Fund (STEP2).

Japanese Society for Medical AI— Member