# Week of Mon, June 22, 2026 · JapanTech

Jun 22 – Jun 28 (JST). Page: https://japantech.info/weeks/2026-W26/

## Mon, June 22, 2026

- [Tech Brunch Event](https://japantech.info/events/meetup-315164599/): Mon, June 22, 2026 07:45 JST, Beltempo, Hotel Metropolitan Edmont, 3 Chome-10-8 Iidabashi, Chiyoda City. A casual small-group tech networking brunch at Hotel Metropolitan Edmont near Iidabashi, Tokyo.
- [Where Has the Bottleneck in AI-Driven Development Moved?](https://japantech.info/events/connpass-394255/): Mon, June 22, 2026 14:00 JST, Online. An online session exploring where the productivity bottleneck has shifted in the era of AI-driven development.
- [Startups Wanted to Co-create with Local Governments! The Meet 2026 Hiroshima Open Accelerator Briefing & Municipality Pitch](https://japantech.info/events/peatix-4988066/): Mon, June 22, 2026 14:00 JST, Tokyo Innovation Base, 千代田区丸の内３丁目８−３. Briefing and municipality pitch for The Meet 2026 Hiroshima Open Accelerator, matching Hiroshima local governments with startups. Free.
- [Sendagaya.rb #531](https://japantech.info/events/doorkeeper-197756/): Mon, June 22, 2026 21:00 JST, Online. Online Ruby/Rails meetup #531 from a Tokyo regional Rubyist community, held over Google Meet.

## Tue, June 23, 2026

- [Tech Brunch Event](https://japantech.info/events/meetup-315080665/): Tue, June 23, 2026 07:45 JST, Beltempo, Hotel Metropolitan Edmont, 3 Chome-10-8 Iidabashi, Chiyoda City. An informal founder brunch in Iidabashi swapping strategies for landing your first tech users and early product-market fit.
- [Tokyo Weekly Lunch](https://japantech.info/events/meetup-sxwcxtyjcjbfc/): Tue, June 23, 2026 12:00 JST, Expanded details for Tokyo Station City Sapia Tower Tokyo Station City Sapia Tower, 1-7-12 Marunouchi Chiyoda-ku, 13 100-0005. Weekly Tuesday lunchtime networking near Tokyo Station for founders, investors, and builders. No pitches, no presentations, just real conversation.
- [\[104th TrustML Young Scientist Seminar\] Talk by John Robertson (UT Austin) "Language Model Control and Reliability: Understanding Steering Vectors and Agentic Aging"](https://japantech.info/events/doorkeeper-197829/): Tue, June 23, 2026 14:00 JST, Online + Meeting RoomB at Nihonbashi (AIP researchers only). A RIKEN AIP seminar with UT Austin's John Robertson on activation steering, concept granularity, and the longitudinal reliability of LLM agents.
- [25th TIB PITCH (SHOP Course / TIB SHOP Overseas Course)](https://japantech.info/events/peatix-5013485/): Tue, June 23, 2026 15:00 JST, Tokyo Innovation Base, 千代田区丸の内３丁目８−３ 2F SusHi Tech Square. An experiential startup pitch event at Tokyo Innovation Base where you can sample and try the presenting startups' products.
- [GitHub After Dark - Tokyo](https://japantech.info/events/github-cefb034915db/): Tue, June 23, 2026 18:00 JST, THE UPPER, 丸の内テラス 10F, 東京都千代田区丸の内1-3-4, 〒100-0005. An evening event for GitHub Copilot users in Marunouchi: latest features, agentic workflows, lightning talks, and networking.
- [AI-Native Development of Complex Enterprise Software](https://japantech.info/events/luma-sojdli49/): Tue, June 23, 2026 18:00 JST, Bunkyo City, Japan. A two-part workshop on AI-native enterprise software development with spec-driven, multi-agent workflows using BMAD and CodeSpeak.
- [Must-See for CVC, Business Development, and Startup Executives: Investment Contracts That Look Beyond the First Investment Toward Startup M&A](https://japantech.info/events/peatix-5022785/): Tue, June 23, 2026 19:00 JST, Tokyo Innovation Base, 千代田区丸の内３丁目８−３. Experts explain the investment contracts, due diligence, and governance behind moving from minority and CVC investment to startup M&A.
- [Weekly Tuesday Meetup](https://japantech.info/events/meetup-315083702/): Tue, June 23, 2026 19:30 JST, Tokyo HackerSpace, Akasaka, 8 Chome−12−13 アゼリア赤坂 102. Drop-in open house at Tokyo HackerSpace in Akasaka, with shared maker tools and a chance to meet the community.

## Wed, June 24, 2026

- [The 4th Bayes-Duality Workshop 2026](https://japantech.info/events/doorkeeper-195619/): Wed, June 24, 2026 09:00 JST, Online. Live-streamed public talks from the fourth Bayes-Duality Workshop on AI that learns adaptively and continuously, like humans.
- [Tech Brunch Event](https://japantech.info/events/meetup-315080670/): Wed, June 24, 2026 11:45 JST, Beltempo, Hotel Metropolitan Edmont, 3 Chome-10-8 Iidabashi, Chiyoda City. A small, relaxed brunch on computational humor: how machines understand and generate jokes, with NLP demos and discussion.
- [Imperfect Information Learning Team (Talk by Hanlin Yu, University of Helsinki)](https://japantech.info/events/doorkeeper-197825/): Wed, June 24, 2026 15:00 JST, Online. Online RIKEN AIP talk by Hanlin Yu (Helsinki) on comparing distributions and representations via geometry, density ratios, and energy-based models.
- [YOKOHAMA CONNÉCT #40](https://japantech.info/events/gatherus-7801b77a-5272-4b51-9192-96425f305703/): Wed, June 24, 2026 16:00 JST, TECH HUB YOKOHAMA, 西区みなとみらい２丁目２番１号 横浜ランドマークタワー TECH HUB YOKOHAMA, 横浜市. Venture Café Yokohama's 40th innovation gathering at TECH HUB YOKOHAMA, hybrid with text-based simultaneous translation.
- [Snack and Connect](https://japantech.info/events/gcal-1cqjeihehcok5mht496nifhtmg_20260624T1600/): Wed, June 24, 2026 16:00 JST, Shibuya Startup Support, Japan, 〒150-0011 Tokyo, Shibuya City, Higashi, 1-chōme−29−３ 渋谷Bridge B棟. Weekly drop-in startup networking at ShibuyaBridge — every Wednesday 4–6pm, no registration needed.
- [Growth Hub #16 - By Founders, For Founders w/ Keita Morikawa (Opera Tech → Sierra)](https://japantech.info/events/luma-dn2h30up/): Wed, June 24, 2026 16:30 JST, Shibuya, Tokyo. Opera Tech founder Keita Morikawa on his cross-border exit to Sierra and now leading AI agent development at Sierra Japan.
- [THS "Nihongo Night" Open House](https://japantech.info/events/meetup-315100473/): Wed, June 24, 2026 20:15 JST, Tokyo HackerSpace, 赤坂8丁目12−13 アサレアビル102. Tokyo HackerSpace's Japanese-language open house: drop by the Akasaka space on Tuesday and Wednesday nights to meet members.

## Thu, June 25, 2026

- [Tech Brunch Event](https://japantech.info/events/meetup-315292170/): Thu, June 25, 2026 07:45 JST, Beltempo, Hotel Metropolitan Edmont, 3 Chome-10-8 Iidabashi, Chiyoda City. A small brunch meetup in Iidabashi on vibe coding: moving from writing code to describing intent, for engineers and builders.
- [Thursday Gathering #387](https://japantech.info/events/gatherus-79e44fe5-e191-4c32-a002-e650484ddec3/): Thu, June 25, 2026 16:00 JST, CIC Tokyo, Toranomon Hills Business Tower 15F, 1 Chome-17-1 Toranomon, Minato City, Tokyo. Venture Café Tokyo's weekly Thursday Gathering at CIC Tokyo: talks, sessions, and open networking for the startup scene, in person or online.
- [AI Salon Osaka](https://japantech.info/events/luma-AI-Salon-Osaka-June-2026/): Thu, June 25, 2026 17:00 JST, Osaka, Japan. An AI Salon Osaka evening on "From Religion to Algorithms": talks on AI, religion, and Buddhism, plus meditation and networking.
- [Pitch & Connect: Shibuya](https://japantech.info/events/luma-us4j7xqs/): Thu, June 25, 2026 18:00 JST, Shibuya, Japan. A startup pitch series in Shibuya where founders practice their pitch and get feedback from VC judges and a pitch coach, free and open to all.
- [AI in Financial Services Nomikai](https://japantech.info/events/luma-np8rep8m/): Thu, June 25, 2026 19:00 JST, Shibuya, Tokyo. A no-slides nomikai in Shibuya for Tokyo professionals at the intersection of AI and financial services.
- [\[Offline Only\] Flash Briefing on the 'Startup M&A Guidance': Latest Exit Strategy Trends and Practical Considerations](https://japantech.info/events/peatix-5025128/): Thu, June 25, 2026 19:00 JST, Tokyo Innovation Base, 千代田区丸の内３丁目８−３. Lawyers give a flash briefing on Japan's new Startup M&A Guidance, covering the latest exit-strategy trends and practical M&A considerations.
- [Space Cafe Tokyo, June 2026](https://japantech.info/events/meetup-315010687/): Thu, June 25, 2026 20:00 JST, Good Heavens British Bar Tokyo, 2f 5-32-5 Daizawa, Setagaya, Tokyo 155-0032. A talk on how AI and machine learning are reshaping exoplanet discovery and the search for life, over drinks in Shimokitazawa.

## Fri, June 26, 2026

- [Tech Brunch: Functional Programming Edition](https://japantech.info/events/meetup-315292172/): Fri, June 26, 2026 11:45 JST, Beltempo, Hotel Metropolitan Edmont, 3 Chome-10-8 Iidabashi, Chiyoda City. A small brunch meetup near Iidabashi diving into functional programming and category theory: monoids, functors, monads, and their use in software.
- [Data-Driven Experimental Design Team Online Seminar](https://japantech.info/events/doorkeeper-197815/): Fri, June 26, 2026 13:00 JST, Online. A RIKEN AIP online seminar (in Japanese) on universality of uniform approximation in reservoir computing.
- [NAGOYA CONNÉCT #123](https://japantech.info/events/gatherus-b2032854-5d1e-45b7-9e34-7318aedc1504/): Fri, June 26, 2026 17:00 JST, なごのキャンパス (Nagono Campus), 名古屋市那古野2丁目14-1. The 123rd recurring hybrid networking gathering for Nagoya's innovation and startup community, held at Nagono Campus.
- [Startups' New Essential Subject: Public Affairs #3 - The Future of Fukuoka's Startup Ecosystem Accelerated by Deregulation](https://japantech.info/events/luma-seaj-0626/): Fri, June 26, 2026 17:30 JST, Fukuoka, Japan. A free Fukuoka event on public affairs and deregulation as a startup growth strategy, taught through real cases.
- [GitHub After Dark - Osaka](https://japantech.info/events/github-07e793ec26a1/): Fri, June 26, 2026 18:00 JST, &ISLAND アンドアイランド 北浜, 大阪府大阪市中央区北浜2丁目1-23, 〒541-0041. An evening event for paid GitHub Copilot users in Kitahama, Osaka: feature updates, agentic workflows, a quiz, lightning talks, and networking.
- [TIB Scramble Meetup: The Creative Entrepreneur's Mindset](https://japantech.info/events/peatix-5021724/): Fri, June 26, 2026 18:30 JST, Tokyo Innovation Base, 千代田区丸の内３丁目８−３. A TIB Scramble fireside chat with TokyoDex CEO Daniel Harris Rosen on turning creative ideas into a business, plus open networking.

## Sat, June 27, 2026

- [Daikanyama Morning Code](https://japantech.info/events/luma-1lu9rbw7/): Sat, June 27, 2026 09:00 JST, Meguro City, Tokyo. A casual morning meetup in Daikanyama for code, web, cloud, blockchain, and AI enthusiasts of all levels to share projects and learn together.
- [Tech Brunch Event](https://japantech.info/events/meetup-315292175/): Sat, June 27, 2026 11:45 JST, Beltempo, Hotel Metropolitan Edmont, 3 Chome-10-8 Iidabashi, Chiyoda City. A small-group brunch meetup on web scraping tools, proxies, and browser automation for developers and data folks in Iidabashi.
- [TORYUMON TOKYO 2026 Honoo](https://japantech.info/events/luma-toryumon2026/): Sat, June 27, 2026 12:00 JST, Shibuya, Tokyo. One of Japan's largest startup conferences for the U25 generation, with founders and VCs, panels, pitches, and networking in Shibuya. Free to attend.

## Sun, June 28, 2026

- [Tech Brunch Event](https://japantech.info/events/meetup-315292178/): Sun, June 28, 2026 11:45 JST, Beltempo, Hotel Metropolitan Edmont, 3 Chome-10-8 Iidabashi, Chiyoda City. A small, relaxed brunch where engineers swap productivity setups: dotfiles, command-line tools, desktop apps, and browser extensions.
- [Haskell-jp Mokumoku-kai #349 @ Online](https://japantech.info/events/connpass-398266/): Sun, June 28, 2026 13:00 JST, Haskell-jp Slack Workspace. An online Haskell-jp mokumoku session where participants quietly work on their own Haskell projects. Free to join.