Introduction

Specializes in criminal policy, victimology, and Asian law. Interested in the penal system, offender treatment, and victim support, with recent research focusing on the realization of payment of damages by offenders to crime victims as well as the reintegration of offenders into society through the coordination of institutional treatment and community-based treatment.

■Payment of Damages by Offenders to Crime Victims
Research Objects: To restore damage incurred by crime victims by making offenders pay damages to crime victims
Title: Tatsuya Ota, How to Make Offenders Pay Damages to Crime Victims: Criminal Justice and Restoration (Keio University Press, 2024).
■Establishment of Parole Theory
Research Objects: To prevent re-offending by establishing parole theory
Research Objects: To restore damage incurred by crime victims by making offenders pay damages to crime victims
Title: Tatsuya Ota, Theory of Parole: Prevention of Re-Offending through Cooperation between Institutional and Community Treatment (Keio University Press, 2017).

Areas of Research

・Penology
・Suspended Prosecution
・Suspended Execution of Imprisonment
・Parole
・Community Supervision of Offenders
・Rehabilitation and Protection Services for Released Offenders
・Correctional Treatment
・Victimology and Victim Support
・Restorative Justice
・Foreign Offenders
・Elderly Offenders
・Mentally-Disordered Offenders

Social Contributions

・Building of a Safer Soceity with Less Crime by Preventing Offenders from Re-offending
・Restoration of Damages Incurred by Crime Victims