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<\/figure>\n\n\n\nJapan has used personal seals for hundreds of years as a primary form of authentication. A hanko (also called an inkan) is a small cylindrical stamp engraved with your name \u2014 typically in Japanese characters \u2014 that functions as a legally recognized signature substitute in many official and professional contexts.<\/p>\n\n\n\n
For foreigners, understanding when a hanko matters versus when a signature suffices can take some adjustment. Japan is gradually accepting signatures in more contexts than it used to, and digital processes are slowly reducing the need for physical stamps in some government systems. But on the ground, particularly in employment, banking, and housing, the hanko remains widely expected.<\/p>\n\n\n\n
Consider a realistic scenario: you arrive in Japan on an engineering work visa and report for your first week at a mid-sized company. HR hands you a packet of onboarding documents \u2014 a direct deposit authorization, an emergency contact form, a confidentiality agreement, and a company equipment acknowledgment form. Two of those documents have a small circle printed at the bottom of the signature line with the kanji \u5370 (in), meaning “seal here.” A signature is sometimes accepted, but many HR departments expect a stamp because that is simply how their process is built.<\/p>\n\n\n\n
Or picture this: you’re renting an apartment through an agency. Your guarantor paperwork, your lease agreement, and your moving-in checklist may all have stamp boxes. Some agencies working with foreign tenants have adapted, but others have not. Coming to that meeting without a hanko can delay signing by days.<\/p>\n\n\n\n
None of this blocks your visa. But it can block the steps that follow.<\/p>\n\n\n\n
What documents may require a stamp<\/h2>\n\n\n\n
No national rule mandates a hanko for every document, and accepted practices vary by institution, region, and employer. That said, the following categories commonly involve stamp requests for foreign residents on work visas:<\/p>\n\n\n\n
Employment documents<\/strong><\/p>\n\n\n\n Banking<\/strong><\/p>\n\n\n\n Housing<\/strong><\/p>\n\n\n\n City hall and residence procedures<\/strong><\/p>\n\n\n\n Tax and pension paperwork<\/strong><\/p>\n\n\n\n A common mistake foreigners make is assuming that because a document is in English or because their employer is an international company, a hanko will not be needed. Some international employers have moved entirely to digital signatures or standard ink signatures. Many have not. It is worth asking HR directly during your onboarding process \u2014 and ideally, having your hanko ready before the question arises.<\/p>\n\n\n\n For visa-friendly employers, start with ComfysCareer<\/a>‘s jobs for foreigners in Japan.<\/p>\n\n\n\n There are three main types of hanko used in Japan, and for most foreigners on a work visa, only one or two are genuinely relevant.<\/p>\n\n\n\n Mitome-in (\u8a8d\u3081\u5370)<\/strong> This is the everyday stamp \u2014 used for internal company documents, delivery receipts, most rental paperwork, and routine admin. It does not need to be registered anywhere. This is the type most foreigners need first, and it is the right starting point if you are new to Japan and want to be prepared without overcomplicating it.<\/p>\n\n\n\n Ginko-in (\u9280\u884c\u5370)<\/strong> A bank seal registered specifically with your bank. Technically it can be the same physical stamp as your mitome-in, but many people keep them separate to protect against fraud. If you plan to open a Japanese bank account \u2014 and most residents do \u2014 having a dedicated bank seal is advisable.<\/p>\n\n\n\n Jitsuin (\u5b9f\u5370)<\/strong> The official registered seal, filed with your local ward or city office. Required for major transactions: property purchases, vehicle registration, certain legal agreements. Most new arrivals do not need this immediately, but it is worth knowing about.<\/p>\n\n\n\n What to engrave<\/strong><\/p>\n\n\n\n For foreigners, this is where it gets practical. Your hanko can be engraved with your name in katakana (phonetic Japanese script), your family name in kanji if your name has a standard kanji equivalent, or a combination. Katakana is the most common and broadly accepted choice for foreign residents, and it is how most Japanese people expect a foreign name to appear on a stamp.<\/p>\n\n\n\n Size<\/strong><\/p>\n\n\n\n For a mitome-in or ginko-in, a diameter of 13.5mm or 15mm is standard. Larger sizes (18mm and above) are typically reserved for jitsuin or corporate seals.<\/p>\n\n\n\n Material<\/strong><\/p>\n\n\n\n Resin and acrylic are affordable and practical. Boxwood is a step up in durability. Titanium, buffalo horn, and ox bone are premium options that last a lifetime and are popular with long-term residents who want something that travels well and holds its shape over years of use.<\/p>\n\n\n\n Ordering a hanko in Japan as a foreigner used to mean finding a local stamp shop (hanko-ya), hoping someone spoke enough English to understand your name, and waiting a few days for production. That process still exists and works, but it is not the only option.<\/p>\n\n\n\n Online ordering has become the cleaner path for many foreign residents, particularly for getting katakana names rendered correctly and having multiple options for materials and sizes laid out clearly in English.<\/p>\n\n\n\n Here is a practical checklist for ordering:<\/p>\n\n\n\n\n
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Which hanko type and size to choose<\/h2>\n\n\n\n
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<\/figure>\n\n\n\nOrdering tips for foreigners<\/h2>\n\n\n\n
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