office-ishinagi– Author –

office-ishinagi 代表行政書士

I am Takahiro Ishinagi, a certified immigration lawyer and the representative of Gyoseishoshi Ishinagi Office in Yodogawa-ku, Osaka.
I mainly support foreign residents with applications for Permanent Residency, Spouse Visas, and Naturalization.

If you wish to ensure a smooth visa application or feel uncertain about preparing the necessary documents, please feel free to contact us.

[2025 Update] Japan’s Highly Skilled Professional (HSP) Points System and J-Startup Bonus Explained

🇯🇵 日本語で読む Who Is the HSP Points System For? The Highly Skilled Professi...

2026年2月14日
Guides by Status
Freelancers & Sole Proprietors: How to Prove Stability for Permanent Residency in Japan

🇯🇵 日本語で読む Introduction Many freelancers and sole proprietors often ask ...

2026年2月14日
Guides by Status
Starting a Business in Japan with a Startup Visa｜A Practical Option Before the Business Manager Visa Revision

🇯🇵 日本語で読む Introduction In recent years, inquiries from foreign national...

2025年10月21日
business management visa– English Version
Permanent Residency in Japan for Dual-Income Households: How to Show Income and Tax Records

🇯🇵 日本語で読む Introduction In the examination of permanent residency (PR) a...

2026年2月14日
Guides by Status
Changing from a Tourist Visa to a Spouse Visa in Japan: Is It Possible? Conditions and Pitfalls

🇯🇵 日本語で読む Introduction One of the most common questions we receive is:"...

2026年2月12日
Documents & Process
Spouse Visa Renewal During DV or Separation｜Key Points on Protective Orders and Shelter Use

🇯🇵 日本語で読む Introduction For foreign nationals holding a spouse visa, “li...

2026年2月12日
Divorce, Remarriage & Death
Important Considerations for Spouse Visas with Remarriage or Divorce History

🇯🇵 日本語で読む Introduction When applying for a spouse visa (Spouse or Child...

2026年2月12日
Divorce, Remarriage & Death
Spouse Visa and Children’s Residency Status in Japan (Family Stay)

🇯🇵 日本語で読む Basic Points about Spouse Visa and Children’s Residency Statu...

2026年2月12日
Divorce, Remarriage & Death
How to Bring Your Spouse to Japan: Avoiding COE Denials and Common Pitfalls

🇯🇵 日本語で読む To bring a spouse who lives abroad to Japan, the first step i...

2026年2月12日
Documents & Process
[With Examples] How to Prove “Living Together” for a Spouse Visa｜Photos, Finances & Communication Records

🇯🇵 日本語で読む Introduction In the examination of a Spouse Visa (Spouse or C...

2026年2月12日
Proving Marriage Validity

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office-ishinagi– Author –

[2025 Update] Japan’s Highly Skilled Professional (HSP) Points System and J-Startup Bonus Explained

Freelancers & Sole Proprietors: How to Prove Stability for Permanent Residency in Japan

Starting a Business in Japan with a Startup Visa｜A Practical Option Before the Business Manager Visa Revision

Permanent Residency in Japan for Dual-Income Households: How to Show Income and Tax Records

Changing from a Tourist Visa to a Spouse Visa in Japan: Is It Possible? Conditions and Pitfalls

Spouse Visa Renewal During DV or Separation｜Key Points on Protective Orders and Shelter Use

Important Considerations for Spouse Visas with Remarriage or Divorce History

Spouse Visa and Children’s Residency Status in Japan (Family Stay)

How to Bring Your Spouse to Japan: Avoiding COE Denials and Common Pitfalls

[With Examples] How to Prove “Living Together” for a Spouse Visa｜Photos, Finances & Communication Records