HAMAGUCHI Keiichiro

As of April 2026

Title, Research section

Research Director General

Area/Field of Research

Labor Policy

Education

Final Education: Faculty of Law, The University of Tokyo

Research Projects

Japan Labor Issues

• Vol.9 No.54, Autumn 2025
  State of Reinstatement of Dismissed Employees Following Court Decisions to Nullify Dismissal (PDF:655KB)
• Vol.8 No.49, Autumn 2024
  What Is "Job-based Employment" (Job-gata koyō)? (PDF:791KB)
• Vol.8 No.48, Summer 2024
  Dismissal due to Company Dissolution in the COVID-19 Pandemic: The Ryusei Taxi Case (PDF:603KB)
• Vol.8 No.47, Spring 2024
  Fact-finding Research on Financial Compensation for Unfair Dismissal Cases in Court (PDF:3.9MB)
• Vol.6 No.38, July 2022
  Labor Law Policy on Freelance Work (PDF:256KB)
  Overview of Employment Policy in Japan (PDF:250KB)
• Vol.6 No.37, March-April 2022
  Claim for Unpaid Overtime by a Public School Teacher: The Saitama Prefecture Case (PDF:263KB)
• Vol.5 No.35, December 2021
  Reduction in the Shifts of a Non-standard Shift Worker: The Silverheart Case (PDF:229KB)
• Vol.5 No.33, August-September 2021
  Labor-management Relations in Japan
  Part III: Systems for Resolving Individual Labor Disputes (PDF:659KB)
• Vol.5 No.31, June 2021
  The Worker Status of a Theater Troupe Member: The Air Studio Case (PDF:208KB)
  Labor-management Relations in Japan
  Part II: Trends and Current State of Collective Labor Relations (PDF:742KB)
• Vol.5 No.30, April-May 2021
  Labor-management Relations in Japan
  Part I: Characteristics of the Collective Labor Relations System (PDF:247KB)
• Vol.4 No.27, November-December 2020
  The Employment Adjustment Subsidy and New Assistance for Temporary Leave (PDF:260KB)
• Vol.4 No.25, August-September 2020
  Student Part-timers as a Subject of Labor Policy (PDF:208KB)
• Vol.4 No.24, July 2020
  Spread of the Novel Coronavirus and the Future of Japanese Labor Policy (PDF:207KB)
• Vol.4 No.23, May-June 2020
  Worker Status of the Joint Enterprise Cooperative Members: The Joint Enterprise Cooperative Workers’ Collective Wadachi Higashimurayama Case (PDF:229KB)
• Vol.3 No.18, October 2019
  Japanese Policy regarding Employment-like Working Styles (PDF:169KB)
• Vol.3 No.14, May 2019
  How Have Japanese Policies Changed in Accepting Foreign Workers? (PDF:335KB)

  Worker Status of the Commercial Agent: The Bellco Case (PDF:273KB)

• Vol.2 No.10, November 2018
  Japan's Employment System and Formation of the "Abuse of the Right to Dismiss" Theory (PDF:229KB)
• Vol.2 No.9, October 2018
  Course-Based Employment Systems and Gender Discrimination: The Towa Kogyo Case (PDF:194KB)
• Vol.1 No.1, September 2017
  Job Changes for Re-employed Retirees: The Toyota Motor Case (PDF:528KB)

JILPT Research Report

• No.237 Analysis of Dismissal Type Employment Termination Cases Resolved by Labor Bureau Conciliation (2025)
• No.226 Comparative Analysis of Employment Termination Cases Resolved by Labor Tribunals or Court Settlements (2023)
• No.219 Employment-Based Telework in Comparative Perspective: National Legal Systems and International Normative Frameworks (2022)
• No.216 Laws and Practices regarding Harassment—European and the United States Perspective (2022)
• No.206 Content Analysis of Labor Standards Inspection Documents Related to Worker Status (2021)
• No.174 Comparative Analysis of Employment Dispute Cases Resolved by Labour Bureau Conciliation, Labour Tribunals and Court Settlement (2015)
• No.133 Content Analysis of Individual Labor Disputes Resolution Cases Ⅱ– Quasi-dismissals, Mental Health Problems, Job Transfers, Probationary Periods, and Claims for Compensation against Workers –(PDF:75KB) (2011)
• No.123 Content Analysis of Individual Labor Dispute Resolution Cases– Termination, Bullying/Harassment, Reduction in Working Conditions, and Tripartite Labor Relationships – (PDF:63KB) (2010)

Labor Policy Report

• No.14 Laws and Policies concerning Employment Agency Businesses: A Century of the Employment Placement Act and the Employment Security Act (2023)
• No.13 Historical Development of Labor Law Policy on Pension Insurance in Japan (2020)

Academic Societies' Membership

• Japan Labor Law Association
• The Japan Industrial Relations Research Association