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12-8 months before application

Choose professors

Narrow your target list to 2-4 professors. This step shapes your proposal, emails, and interview preparation.

CompleteEstimated time about 6 weeksContent verified on 2026-06-10

Traps

Why people get stuck here

These misconceptions aren't rare scenarios — most people hit at least one of them at this step. Knowing in advance doesn't mean you won't stumble, but it can save you a few weeks of detours.

  • Looking only at university ranking instead of lab fit.

  • Assuming a famous professor is always the best supervisor.

  • Locking onto one professor too early.

Breakdown

How to break this task down

Follow the checklist below and you won't miss anything important. You don't have to finish it all at once, but every item should be clearly answered within this stage.

  1. Write 3-5 research keywords and search professor databases.
  2. Check recent publications and current activity.
  3. Build one-page profiles for 4-6 candidates before ranking them.
  4. Look for evidence that international students are accepted.

Notes

Recommended reading

Concrete experience written down by those who came before — most useful read alongside the breakdown above.

Application docs

Cold Emails: How to Write Your First Email to a Japanese Professor

A cold email isn't a sales pitch. It's about letting the professor decide, within 30 seconds, whether "this student has any connection to my research and is worth talking to further." Below is an email structure you can apply directly, built around the conventions of Japanese academia.

Read moreUpdated 2026-04-20
Application docs

Profiling a professor: read one professor thoroughly before reaching out

Spending 3–5 hours to read one candidate professor thoroughly before reaching out pays off far more than sending a templated email to 20 professors at once. Below is a repeatable research workflow.

Read moreUpdated 2026-04-20
School selection

How to Choose a University for Japan's Research Student / Master's Application

Choosing a school isn't just about rankings. First put up the four pillars—research direction, professor fit, entrance-exam difficulty, and cost of living—then set your priorities.

Read moreUpdated 2026-04-18

Tool

Related tool

There's a ready-made tool for this step. You don't have to use it every time, but it's worth opening when you're stuck.

Professor matching workbench

Early access

Click to open · use it right here in this step

Open tool

Next step

  • Open professor matchingGenerate explainable professor candidates from your profile and intent.
  • Next: write the research proposalUse the professor's research context to shape your proposal.

University, professor, research and company data in one place, with sources you can check, for studying and working in Japan.

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Most recommended tools

  • Professor matching280,000+ researcher profiles and a 127,000+ matchable pool, ranked with paper and KAKEN evidence
  • Research plan suiteBring your topic and target professor into drafting, formatting, citations, and review
  • Admissions guide parserExtract windows, must-arrive versus postmark rules, and materials from a PDF or official URL
  • ES smart fillDraft each prompt from your profile, STAR stories, and 1,000+ company research briefs

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