Foreign professionals can get permanent residency in Japan by meeting certain work experience, income, and residency requirements. Typically, you need to live and work in Japan for 5 to 10 years, hold a valid work visa, and maintain a stable income. Those with Highly Skilled Professional visas may qualify for permanent residency within 1 to 3 years. Applicants must also demonstrate good conduct, pay taxes, and contribute to Japanese society. The application is submitted to the Immigration Bureau of Japan, which reviews your employment history, financial stability, and overall eligibility.