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Be Bold or italic, never regular.

Ikuo Hiraishi

Entrepreneur, Startup, Education, Society, Life, and about Japan.

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Substack
PricingOnly free issuesPublishesMonthly
Issues46Founded4 years agoLast Issue15 days ago
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Latest Issues

Don't underestimate the power of ignorance!

My first car, BMW Z4 3.0i. Purchased in 2004

The older I get, the more I find myself thinking about things I never used to notice. On a recent morning jog, I caught myself wondering: Will I be able to see those cherry blossoms next year? T...

15 days ago
3

Home Is Not the Point.

Three Investments, One Pattern

Over the past six months — from last autumn through this spring — I made three new angel investments. On the surface, they have little in common. One is building an AI-powered credit infrastructure for immigr...

a month ago
2

Japan’s Winning Formula in the AI-Dominant Era: Diversity, Not Isolation

Between 2025 and 2026, global equity markets and startup ecosystems have reached a historic turning point.

Today, I want to explore the current state and future prospects of Japan’s startup market — drawing on macroeconomic data, comparati...

a month ago

The Tokyo Stock Exchange Growth Market Top 20: A Year in Review (2025–2026)

I am one of the entrepreneurs from the so-called dot-com bubble.

The top startups by market capitalization listed on the former Tokyo Stock Exchange Mothers market (now the Growth market) were founded around the same time, such as CyberAge...

2 months ago

What is OpenAI's IPO really telling us?

Growing up, I remember the moment our household television made the leap from black-and-white to color. When I share stories like that with the students at Musashino University’s School of Entrepreneurship (known as Musashino EMC), I can al...

2 months ago

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  • Ikuo Hiraishi

    Serial entrepreneur, Angel investor, and Professor based in Tokyo. One went public at TSE, and Yahoo! Japan acquired the other. The portfolio includes a unicorn, Infarm, a16z-backed AnyRoad, and ModuleQ, backed by The London Stock Exchange Group.

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