Japan, Tokyo Weekly Tech Event Digest [`25 Nov 10 - Nov 16]

Hello, tech and startup enthusiasts! Hope you’re having a great week. Here’s a list of upcoming tech events in Japan for the week of November 10 - November 16. Whether you’re into coding, AI, startups, or just looking to network, there’s something for everyone. Check out the details below and mark your calendars!

Events

Monday, November 10

• Workshop on Online Learning and Optimization | 🕐 09:30 | Riken Aip Nihonbashi Open Space | 🇬🇧 | 🔗Link: This workshop presents the latest theoretical and applied advances in online learning and optimization. It aims to promote interdisciplinary collaboration and discussions by inviting leading researchers from Japan and abroad to foster future collaborative research opportunities and active exchanges.

• Uncertainty Quantification Team Seminar | 🕐 10:00 | Online | 🇬🇧 | 🔗Link: An online seminar by Dawen Wu on a deep learning approach for solving Nonlinear Projection Equations (NPEs) using ODE modeling and Physics-Informed Neural Networks (PINNs). The talk will demonstrate the framework’s effectiveness on classical problems like variational inequalities and complementarity problems. Registration is required.

• Go Global Hub: Global Connector Salon | 🕐 18:00 | Plug And Play Japan | 🇬🇧🇯🇵 | 🔗Link: A business matching event supported by the Tokyo Metropolitan Government. It allows global and Japanese founders, companies, and VCs to pitch their businesses and create new collaboration opportunities through hands-on experiences and mini-pitches designed to build meaningful relationships.

• Discussion on ‘Entrepreneurship as an Option’ | 🕐 19:00 | Okazaki Building | 🇯🇵 | 🔗Link: A talk event co-hosted by TORYUMON and FOUNDERS LAB for students considering entrepreneurship. The guest speaker, Riho Hayama, CEO of Sworkers Inc., will discuss her career path, experiences, and the decisions that led to her starting her own company.

• Data Science & AI foundations for beginners | 🕐 19:00 | Online | 🇬🇧 | 🔗Link: A free online course for beginners taking their first steps into the world of data. Join live instructor-led sessions covering popular topics and tools such as Python, Jupyter Notebook, Data Analytics, and Machine Learning. A certificate is provided upon completion.

• Sendagaya.rb | 🕐 21:00 | Online | 🇯🇵 | 🔗Link: An online meetup for the Sendagaya.rb community, a group for people interested in Ruby, Rails, and related technologies. Participants gather on Google Meet to discuss topics, ask questions, and work on personal projects. Beginners are welcome.

Tuesday, November 11

• Global Career Study Lounge | 🕐 07:00 | Online | 🇬🇧🇯🇵 | 🔗Link: An online morning study session for students and professionals interested in global careers, international cooperation, and language learning. It provides a structured yet flexible environment to study alongside peers, share insights, and build a consistent morning learning habit.

• Weekly Lunch @ TiB | 🕐 11:30 | Tokyo Innovation Base, Tokyo | 🇬🇧🇯🇵 | 🔗Link: Weekly startup lunch networking in Tokyo. Entrepreneurs, investors, and enthusiasts connect over lunch. Bring your own or buy from food trucks. Casual conversations and discussions.

• AI × Society: Building a Robot Friendly Society | 🕐 18:00 | Shibuya, Tokyo | 🇬🇧 | 🔗Link: This event explores how Japan can prepare for a future of human-robot coexistence. It will cover emotional and ethical design in households, public and industrial integration, social policy, family systems, and human-centered robotics. The session includes several talks by experts followed by a networking opportunity.

• Co-Lab: Co-founder Matching | 🕐 18:00 | Spaces - Otemachi Building | 🇬🇧🇯🇵 | 🔗Link: A monthly meetup for business and technical co-founders to find partners. It facilitates connections between local and international founders in Japan through pitches, team-building challenges, and networking. This event is for founders, aspiring entrepreneurs, and professionals looking to collaborate or join a startup.

• Open Data Circle – Lakehouse Meetup | 🕐 18:30 | Lodge, Ly Corporation Head Office | 🇬🇧 | 🔗Link: This meetup for data architects and engineers focuses on practical lakehouse architecture, real-time data operations, and emerging tools shaping the modern data ecosystem. Expect concise talks on modern table formats, Databricks Realtime Mode, and DuckLake, followed by networking.

• Tokyo HackerSpace Weekly | 🕢 19:30 | HackerSpace, Tokyo | 🇬🇧 | 🔗Link: Weekly gathering for tech enthusiasts, makers, and hackers to collaborate, share ideas, and work on projects together.

Wednesday, November 12

• Yokohama Startup Lunch | 🕐 11:30 | Tech Hub Yokohama, Yokohama | 🇬🇧 | 🔗Link: A monthly networking event expanding the Tokyo Startup Lunchclub to Yokohama. It aims to connect entrepreneurs, innovators, and professionals to share ideas and explore opportunities within Yokohama’s startup ecosystem. The event features inspiring conversations and knowledge sharing. Note: Lunch is not provided.

• Study session on ‘The Guide To Design’ | 🕐 12:00 | Online | 🇯🇵 | 🔗Link: An online study group series for designers, PMs, and engineers to deeply learn from the ‘Guide To Design’ document by UX Collective. The sessions will involve reading, thinking, and discussing the material, facilitated by AI tools, to foster practical UX skills. Held weekly during lunchtime.

• Snack & Connect with Kiuchi Patent & Law Firm | 🕐 16:00 | Shibuya Startup Support, Tokyo | 🇬🇧🇯🇵 | 🔗Link: A networking event where lawyers from Kiuchi Patent & Law Firm offer casual consultations on intellectual property like patents and trademarks. It is aimed at entrepreneurs and those considering a new business. Free drinks and snacks are available.

• YOKOHAMA CONNÉCT | 🕐 16:00 | Tech Hub Yokohama | 🇬🇧🇯🇵 | 🔗Link: A gathering for innovators, entrepreneurs, and community members. This event offers a dynamic and diverse mix of attendees for networking and includes multiple sessions and demo tables to explore, connect, and create.

• Intelligent Graphs in Action | 🕐 18:00 | Microsoft Shinagawa Headquarter, Tokyo | 🇬🇧 | 🔗Link: Explore the future of AI and graph technology. This meetup dives into Agentic GraphRAG for more context-rich AI responses and the use of Model Context Protocol (MCP) for Neo4j in Japanese manufacturing. Ideal for developers interested in GenAI applications and graph-powered reasoning.

• What is “The Rails Way”? / Agent Oriented Programming | 🕐 18:30 | Le Wagon Tokyo | 🇬🇧 | 🔗Link: This meetup features two talks for Ruby/Rails developers. Hayato Ishida discusses ‘The Rails Way’ and technical debt, while Justin Bowen presents on Agent Oriented Programming with his Active Agent AI framework. The event includes networking, with drinks and food provided.

• HN Tokyo Meetup #120 | 🕐 18:30 | Blink Roppongi | 🇬🇧 | 🔗Link: A social meetup at Blink Roppongi for entrepreneurs, startup founders, and technologists. The event includes opportunities for announcements and pitching ideas or startups to the crowd. Recruiters are generally not allowed unless they receive prior permission.

• TORYUMON ZERO: Basics of Company Establishment | 🕐 19:00 | Online | 🇯🇵 | 🔗Link: A session for aspiring and early-stage entrepreneurs on the basics of company establishment. A judicial scrivener will explain necessary procedures, articles of incorporation, and capital decisions, providing practical advice for future fundraising and stock options based on extensive experience supporting startups.

• After.kt 2025 | 🕐 19:00 | Line Yahoo Kioicho Office | 🇯🇵 | 🔗Link: A retrospective event for Kotlin Fest 2025, featuring Android-related presentations, a panel discussion with festival speakers and attendees, and a networking session. This event is co-hosted by LINE Yahoo, LINE Digital Frontier, and Sansan.

• Tokyo HackerSpace Weekly JP | 🕢 19:30 | HackerSpace, Tokyo | 🇯🇵 | 🔗Link: Weekly gathering for tech enthusiasts, makers, and hackers to collaborate, share ideas, and work on projects together. In Japanese.

Thursday, November 13

• mercari GEARS 2025 | 🕐 11:00 | Toda Hall & Conference Tokyo | 🇬🇧🇯🇵 | 🔗Link: A tech event to experience Mercari’s engineering culture and technical challenges. The theme is “Mercari’s Engineering Today,” focusing on the evolution towards an AI-native development organization. The event provides a space for engineers to meet, share experiences, and create new opportunities through interaction.

• Thursday Gathering | 🕐 16:00 | Cic Tokyo | 🇯🇵🇬🇧 | 🔗Link: A weekly gathering connecting innovators, entrepreneurs, and community members. This event features multiple sessions on topics like cyber defense, accessibility, and collaboration. Attendees can join in-person or online, offering a dynamic environment to connect, learn, and share.

• Transpose Platform Happy Hour | 🕐 18:00 | The Peninsula, Tokyo | 🇬🇧🇯🇵 | 🔗Link: Join founders, investors, and special guests for a happy hour 24 floors above Tokyo. This event celebrates the first VIBE Hackathon in Japan and Tokyo Founders’ Day, offering an evening of connection with drinks and heavy appetizers.

Friday, November 14

• Tokyo Test Fest 2025 | 🕐 08:30 | Osaki Bright Core, Tokyo | 🇬🇧🇯🇵 | 🔗Link: This is a paid event. Please get your tickets from the official website to attend.

• Tokyo Founders’ Day | 🕐 09:30 | Shibuya Qws | 🇬🇧🇯🇵 | 🔗Link: This event brings together founders, entrepreneurs, engineers, and students to connect with Y Combinator partners, alumni, investors, and ecosystem leaders. It features panels and networking to support Japan’s tech ecosystem and empower startups to scale globally, targeting those at the very start of their journey.

• UNREAL FEST TOKYO 2025 | 🕐 09:30 | Takanawa Gateway Convention Center | 🇯🇵🇬🇧 | 🔗Link: UNREAL FEST TOKYO is a free, large-scale official event by Epic Games Japan. It provides the latest information and use cases for Unreal Engine users. This year’s event will be held over two days, featuring a ‘Game Day’ and a ‘Non-Game Day’ for various industries.

• NAGOYA CONNÉCT #108 | 🕐 17:00 | Nagono Campus, Nagoya | 🇯🇵🇬🇧 | 🔗Link: A networking event for innovators in Nagoya. This edition features sessions on logistics startups, intellectual property strategies for ventures, and a student entrepreneurship competition. The event offers both in-person and online participation to connect and learn.

Saturday, November 15

• Daikanyama Morning Code | 🕐 09:00 | Dean & Deluca, Tokyo | 🇬🇧🇯🇵 | 🔗Link: A meetup for individuals interested in code, web development, design, cloud, blockchain, or AI. All levels are welcome. Attendees can bring their laptops to discuss what they are working on, learn from others, and share projects and ideas freely.

• Digital Nomads Morning Activity in Omotesando | 🕐 09:00 | Friend In Hand | 🇬🇧 | 🔗Link: A relaxed morning gathering for digital nomads, expats, and internationally-minded locals to make new connections. There is no entrance fee, but attendees pay for their own food and drinks. The primary language of communication will be English.

• Coffee and Code | 🕐 10:00 | Starbucks In Roppongi Hills Lobby, Tokyo | 🇬🇧 | 🔗Link: A relaxed event for coders, learners, or anyone in IT. Bring a laptop to discuss projects, get help, and share tips over coffee. All nationalities and ages are welcome. An optional lunch follows for networking. Note: no charging available on weekends.

• JJUG CCC Fall | 🕐 10:00 | Bellesalle Shinjuku Grand Conference Center | 🇬🇧🇯🇵 | 🔗Link: JJUG CCC is the largest Java community event organized by Japan Java User Group (JJUG), held twice a year. It provides great sessions on Java-related technologies and practices, bringing together Java engineers from different disciplines.

Sunday, November 16

No events listed.

Disclaimer

Events above are collected from a variety of online open sources. There might be changes or cancellations. Please check the event page for the most up-to-date information.

If you have an event to share, please let us know - we’d love to include it in our next digest! Mail us at [email protected].