IKEZOE Hirokuni

As of April 2025

Title, Research section

Research Director, Human Resource Management

Area/Field of Research

Various issues relating to labor contract, legal concept of workers, labor dispute settlement, employment and labor law in the USA.

Education

Final Education: Graduated in Doctor Course, School of Law, Sophia University

Degree: MA

Research Projects

Japan Labor Issues

• Vol.8, No.47, Spring 2024
  Legality of Restriction on the Use of Restrooms in the Worksite by Gender Identity Disorder Employee
  The State and National Personnel Authority (METI Employee) Case (PDF:635KB)
• Vol.7, No.41, January 2023
  Employers' Duty for Safety of Multiple Job Holder Who Worked Excessively Long Hours
  The Daiki Career-Casting and One Other Defendant Company Case (PDF:238KB)
• Vol.6, No.38, July 2022
  Legality of Restrictions on Use of Worksite Facilities by a Transgender Employee
  The State and National Personnel Authority (METI Employee) Case (PDF:218KB)
• Vol.4, No.24, July 2020
  Is an Owner-manager of a Convenience Store a “Worker” under the Labor Union Act?
  The Seven-Eleven Japan Case (PDF:210KB)
• Vol.3, No.16, July 2019
  The Leakage of Trade Secrets (Customer Data) by the Employees of Contractors: The Benesse Corporation Customer Data Leakage Case (Criminal Case) (PDF:286KB)
• Vol.2, No.10, November 2018
  On Payment or Non-payment of Premium Wages When Incorporated Into Annual Salary: The Iryo Hojin Shadan Koshin Kai Case (PDF:213KB)
• Vol.2, No.9, October 2018
  Termination of Employment Relationships in Japan
  Part III: Mandatory Retirement Age System (PDF:221KB)
• Vol.2, No.7, June- July 2018
  Termination of Employment Relationships in Japan
  Part II: Dismissal and Refusal to Renew a Fixed-term Contract (PDF:230KB)
• Vol.2, No.6, April-May 2018
  Termination of Employment Relationships in Japan
  Part I: Resignation and Termination of Employment Contracts by Mutual Consent (PDF:311KB)
• Vol.2, No.4, January 2018
  Validity of Wage Rules Deducting an Amount Corresponding to Premium Wages in Calculating Percentage Pay: The Kokusai Motorcars Case(PDF:263KB)

Japan Labor Review

• Vol.11, No.1, Winter 2014
  Work-Life Balance in Japan: Outline of Policies, Legal Systems and Actual Situations (PDF:100KB)
• Vol.10, No.3, Summer 2013
  Diversification of "the Workplace" and Problems with Labor Law (PDF:394KB)
• Vol.4, No.3, Summer 2007
  Legal Concept of "Employee" in Labor Protective Laws of Japan --From an Analysis of Court Cases-- (PDF:136KB)

JILPT Research Report

• No.217 Study on Working Hours: Analysis of Individual Survey Results (2022)
• No.151 Comparative Law Study on Work-Life Balance <Final Report>(PDF:292KB) (2012)
• No.106 Research Study on Diversification of Working Places and Working Hours (PDF:332KB) (2009)
• No.98 Research on Support for Development of In-house Dispute Settlement Systems (PDF:79KB) (2008)
• No.86 Interim Report on "Research on Support for Development of In-house Dispute Settlement System" (PDF:93KB) (2007)
• No.82 Path to Development of NPO Employment – Seen from Human Resources, Financial and Legal Perspectives –(PDF:86.1KB) (2007)
• No.67 Comparative Study on Legal Notion of Term ´Worker´(2006)
• No.56 Reconstruction of the Mechanism for Establishing Terms and Conditions of Employment based on Changes in the Social-Economic Structure (PDF:55.8KB) (2005)
• No.39 Report on "Survey Research concerning Labor Contract Legislation in Various Countries"(2005)
• No.19 Legal Mechanisms for Regulating Working Conditions: A Seven-country Comparison(2005)
• No.18 Legal Notion of Term 'Worker': A Seven-country Comparison (2004)
• No.12 Diversifying Working Styles and Social-Labor Policy (PDF:64KB) (2004)

Academic Societies' Membership

Japan Labor Law Association

The Japan Industrial Relations Research Association