Sendagaya.rb #526
Western Tokyo's regional Rubyist community runs its online meetup with talk on RubyKaigi takeaways, dev questions, REST, and OpenID Connect.
Online · JA
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Subscribed About the digestWeek of·May 18 – May 24 · 23events
Mon, May 18, 2026
1event
Tue, May 19, 2026
3events
Tokyo Weekly Lunch
Weekly Tuesday lunch meetup for Tokyo's startup community at Sapia Tower in Marunouchi, no pitches, just conversation.
In person · Kanto (Tokyo) · EN
HN Tokyo Meetup #125
Casual #125 edition of HN Tokyo's monthly social for founders and engineers, with open-floor pitches and demos.
In person · Kanto (Tokyo) · EN
Weekly Tuesday Meetup
Drop-in open house at Tokyo HackerSpace's Akasaka location, 19:30–22:00, for newcomers and regulars to meet and check out the space.
In person · Kanto (Tokyo) · EN
Wed, May 20, 2026
8events
AIVP, RIKEN, A*STAR & NTU joint Workshop
Online joint workshop with AIVP, RIKEN-AIP, A*STAR CFAR, and NTU on optimization, diffusion models, uncertainty, and RL theory.
Online · EN
Yokohama Startup Lunch
Monthly midday networking lunch for founders, investors, and engineers at TECH HUB YOKOHAMA in Minato Mirai.
In person · Kanto (Tokyo) · EN
Lunchtime Study Group on Global UX
A weekly 30-minute online lunch study group reading The UX Collective articles via NotebookLM summaries.
Online · JA
Antler Residency in Japan - Batch 6 | Weekly Ask-Me-Anything ONLINE
Lunchtime online AMA on Antler's Japan Residency Batch 6 for aspiring globally-minded founders.
Online · EN
Snack and Connect
Weekly drop-in networking at Shibuya Startup Support's Bridge office — meet founders, investors, and the startup-curious over snacks.
In person · Kanto (Tokyo) · JA/EN
JichiTIME Meetup with Mibu Town x Toyota City x Kagawa Prefecture
Meetup featuring co-creation programs from Mibu Town, Toyota City, and Kagawa Prefecture, with a networking session for startups and government.
In person · Kanto (Tokyo) · JA
Tokyo Python Lightning Talks
An anniversary lightning-talk night for Tokyo Pythonistas at Le Wagon Meguro, with open 5-minute slots on any Python topic.
In person · Kanto (Tokyo) · EN
THS "Nihongo Night" Open House
Japanese-language open house at Tokyo Hackerspace in Akasaka. Drop by, meet members, and see the space.
In person · Kanto (Tokyo) · JA
Thu, May 21, 2026
1event
Fri, May 22, 2026
4events
[Compressed Information Processing Team Seminar] Geometric Structure of Brain Representation Space and AI Latent Space: Determinants of Brain–AI Integration Performance
Brain representation space, AI latent space geometry, and the future of Brain–AI integration and medical BMI.
Hybrid · Other · JA
[Computational Learning Theory Team Seminar] Talks of Dr. Dimitra Tsigkari and Dr. Fion Mc Inerney (Telefonica, Spain)
Two Telefonica researchers visit RIKEN AIP to talk Split Learning network optimization and non-clashing teaching theory in graphs.
Hybrid · EN
NAGOYA CONNÉCT #121
Venture Café Tokyo's weekly innovation gathering in Nagoya, with hybrid sessions for founders, engineers, and ecosystem builders.
Hybrid · Chubu · JA/EN
Hardware Startups x Machi-Koba: Breaking Through the Productization Wall with Manufacturing Partnerships
Free panels and networking at TIB on partnering with Japan's machi-koba to clear the hardware productization wall.
In person · Kanto (Tokyo) · JA
Sat, May 23, 2026
2events
Marunouchi Morning Code
Casual bilingual morning meetup in Marunouchi to chat about code, web, cloud, blockchain, and AI projects.
In person · Kanto (Tokyo) · JA/EN
Tech networking meetup in Shibuya #13
Casual Shibuya bar meetup for IT professionals to network across engineering disciplines and career stages.
In person · Kanto (Tokyo) · EN
Sun, May 24, 2026
4events
[Beginner] Intro to Google Antigravity — Build Your Own App with a Next-Gen AI Agent
Beginner hands-on with Google Antigravity — build a working app from scratch alongside a next-gen AI coding agent.
In person · Kanto (Tokyo) · JA
Designing Businesses That Monetize Your Mission with Social Impact Pros — taliki x TIB STUDIO Session & Workshop
Session and workshop on designing businesses that balance social impact with monetization, with taliki's Harada.
In person · Kanto (Tokyo) · JA
Where Is Crypto Heading? Real Talk from DeFi and Exchanges - OrbsCafe Tokyo Special 2026
Ebisu study session and networking with DeFi leads and Japanese exchange execs on where crypto is heading, timed to the Orbs team visit.
In person · Kanto (Tokyo) · JA
Orbs Japan Meetup 2026
Annual Orbs team meetup in Shibuya: a relaxed evening of DeFi and trading talk with the visiting team.
In person · Kanto (Tokyo) · JA
