# Week of Mon, September 21, 2026 · JapanTech

Sep 21 – Sep 27 (JST). Page: https://japantech.info/weeks/2026-W39/

## Mon, September 21, 2026

- [Tech Brunch Event](https://japantech.info/events/meetup-316537551/): Mon, September 21, 2026 11:45 JST, Beltempo, Hotel Metropolitan Edmont, 3 Chome-10-8 Iidabashi, Chiyoda City. A small brunch meetup in Iidabashi where engineers and founders trade practical notes on vibe coding, specs, and AI development tools.

## Tue, September 22, 2026

- [Tech Brunch Event](https://japantech.info/events/meetup-316537554/): Tue, September 22, 2026 13:30 JST, Beltempo, Hotel Metropolitan Edmont, 3 Chome-10-8 Iidabashi, Chiyoda City. A small brunch meetup in Iidabashi where engineers show each other their dotfiles, command-line tools and productivity apps.
- [Weekly Tuesday Meetup](https://japantech.info/events/meetup-316382840/): Tue, September 22, 2026 19:30 JST, Tokyo HackerSpace, Akasaka, 8 Chome−12−13 アゼリア赤坂 102. Weekly open house at Tokyo Hackerspace in Akasaka: meet the members, see the space, and use tools if needed.

## Wed, September 23, 2026

- [\[Advanced\] Circuit Design Course: Build a Mint Tin Headphone Amplifier](https://japantech.info/events/peatix-5141980/): Wed, September 23, 2026 11:00 JST, Tokyo Innovation Base, 千代田区丸の内３丁目８−３. Advanced workshop building a miniature portable headphone amp inside a mint tin: board assembly, case machining, and final fitting.
- [Tech Brunch Event](https://japantech.info/events/meetup-316537558/): Wed, September 23, 2026 11:45 JST, Beltempo, Hotel Metropolitan Edmont, 3 Chome-10-8 Iidabashi, Chiyoda City. A small Iidabashi brunch meetup on functional programming and category theory, from monoids and functors to monads in practice.
- [Snack and Connect](https://japantech.info/events/gcal-1cqjeihehcok5mht496nifhtmg_20260923T1600/): Wed, September 23, 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 networking at Shibuya Startup Support's Bridge office, open to founders, investors, and the startup-curious over snacks.
- [University of Bristol & RIKEN-AIP Joint Workshop 2026](https://japantech.info/events/doorkeeper-199299/): Wed, September 23, 2026 17:30 JST, Online. Online joint workshop of University of Bristol and RIKEN-AIP with short machine learning research talks from both institutions.
- [THS "Nihongo Night" open house](https://japantech.info/events/meetup-316399377/): Wed, September 23, 2026 19:30 JST, Tokyo HackerSpace, 赤坂8丁目12−13 アサレアビル102. Tokyo Hackerspace's Japanese-language open house at its new Nogizaka space: visit, meet members, and use tools.

## Thu, September 24, 2026

- [Tech Brunch Event](https://japantech.info/events/meetup-316537562/): Thu, September 24, 2026 07:45 JST, Beltempo, Hotel Metropolitan Edmont, 3 Chome-10-8 Iidabashi, Chiyoda City. A small morning meetup in Iidabashi on how large language models are changing the way people learn languages.
- [Antler Japan - JPN7 Residency Program | Ask-Me-Anything Webinar (JP/EN Info Session)](https://japantech.info/events/luma-znzazxaw/): Thu, September 24, 2026 12:00 JST, Online. Online lunchtime AMA webinar on the JPN7 startup residency in Japan, for people planning to found a company.
- [Thursday Gathering #398](https://japantech.info/events/gatherus-f11b5b0a-dc2d-4980-b0db-13814a01b70c/): Thu, September 24, 2026 16:00 JST, CIC Tokyo, Toranomon Hills Business Tower 15F, 1-17-1 Toranomon, Minato-ku, Tokyo. Venture Café Tokyo's weekly open innovation evening at CIC Tokyo, with parallel talks, workshops and networking, joinable in person or online.
- [That Is Not "Information"](https://japantech.info/events/connpass-370354/): Thu, September 24, 2026 19:00 JST, Online. An online UX DAYS TOKYO session asking whether the data and text we present really becomes information for the reader.

## Fri, September 25, 2026

- [NAGOYA CONNÉCT #128](https://japantech.info/events/gatherus-344b95c9-5199-4ab8-946e-481b803aaddf/): Fri, September 25, 2026 17:00 JST, Nagono Campus, 2-14-1 Nagono, Nagoya, Aichi, Japan. The 128th edition of NAGOYA CONNÉCT, a startup and innovation community event held at Nagono Campus in Nagoya.
- [\[Mitutoyo Collaboration\] First Steps in Mechanical Design: An Introduction to Precision Measuring Tools](https://japantech.info/events/peatix-5142510/): Fri, September 25, 2026 18:30 JST, Tokyo Innovation Base, 千代田区丸の内３丁目８−３. A hands-on Mitutoyo workshop on using calipers and depth gauges correctly, plus accuracy checks on 3D-printed, CNC and laser-cut parts.

## Sat, September 26, 2026

- [Marunouchi Morning Code](https://japantech.info/events/luma-29w3qkwc/): Sat, September 26, 2026 10:00 JST, 千代田区, 東京都. A casual morning meetup in Marunouchi for anyone working on code, web, design, cloud, blockchain, or AI. Bring a laptop, all levels welcome.

## Sun, September 27, 2026

- [Haskell-jp Mokumoku-kai #362 (Online)](https://japantech.info/events/connpass-407584/): Sun, September 27, 2026 13:00 JST, Haskell-jp Slack Workspace. Online Haskell co-working session on the Haskell-jp Slack: work on your own Haskell projects and optionally share results at the end. Free.
- [\[Beginner\] AI Course: Learning Artificial Intelligence by Building with Google Colab, Part 1: The Thinking Machine](https://japantech.info/events/peatix-5141999/): Sun, September 27, 2026 13:00 JST, Tokyo Innovation Base, 千代田区丸の内３丁目８−３. A beginner workshop using Google Colab to trace AI from the Turing test through perceptrons to multilayer neural networks.
- [B-Side Summit: A Gathering for People Using, or Wanting to Use, Their B-Side](https://japantech.info/events/peatix-5112892/): Sun, September 27, 2026 14:00 JST, Tokyo Innovation Base（最終調整中）2F ROOM, 東京都千代田区丸の内３丁目８−３. A first-time summit where people bring the personal pursuits they keep outside their day job, share them, and build a cross-company network.