Junichi Takasu（高須順一）

Supreme Court Justice / Second Petty Bench

Basic Information

Appointed: 2024
This Review: First time
Background: Attorney
Specialty: Civil Law, Obligations

Expertise & Background

Areas of Specialty

Civil Law, Obligations
Requirements for Claims, Liability Theory
Legal Theory of Civil Disputes

Career Characteristics

Practitioner (active as attorney)
Academic/Educator (long-term teaching and research at Hosei University)
Policy maker (participation in Legislative Council, Japan Federation of Bar Associations)

His career is characterized by experience across practice, education, and policy-making.

Key Rulings

Administrative / Procedural

Medical Treatment and Supervision Act Case (June 23, 2025)

Appeal regarding medical decisions for persons with mental disorders. Ruled that the appeal did not meet the requirements and was within legal bounds.

Appeal Dismissed (Unanimous)

Constitutional / Electoral

Electoral District Constitutionality (September 26, 2025)

Regarding vote value disparity in House of Representatives single-seat constituencies. Ruled that the disparity did not amount to a constitutional violation.

Constitutional (Unanimous, with supplementary opinions)

Criminal / Juvenile Protection

Child Protection Case (December 23, 2025)

Affirmed the application of protective legislation.

Dismissed (Unanimous)

Civil

Government Employee Housing Eviction (January 9, 2026)

Concurred with the majority opinion while adding supplementary opinions.

Dismissed (Majority opinion with supplementary opinions)

Source: Supreme Court of Japan Official

Ruling Tendencies (Current)

Emphasis on Legal Interpretation

Shows a tendency to prioritize decisions based on statutory text and institutional design.

Careful Constitutional Judgment

Has been noted for carefully handling the boundary between legislative policy areas (as seen in supplementary opinions).

Judicial Philosophy (Self-Stated)

"I approach my duties with humility and sincerity."

"I listen carefully to the arguments of all parties."

"I aim for strict legal interpretation while pursuing a harmonious judiciary that bridges ideals and reality."

His motto: "Truth and falsehood are separated by a thin line; penetrate to truth while wearing the cloak of falsehood."