Highly Skilled Professionals
If the score calculated based on the "highly skilled professional point system" exceeds 70 points, there are various preferential treatment such as relaxation of permanent residency requirements.
Point calculation table(Link: Immigration Bureau)
After that, you can apply for permanent residence.
Permission of multiple activities
Work permit for spouse
Allowance of domestic servants
Grant of period of stay "5 years"
Allowing parents to accompany
Priority processing for immigration and residence procedures