(Last updated : 2026-02-16 13:38:42)
  KOGA Keisaku
   Department   Osaka University of Economics  Department of Business Law, Faculty of Business Administration
   Position   Professor
■ Academic conference presentation
1. 2023/11 Legal Study on The Inheritance Tax Evaluation of Apartment Blocks -Exploring the Legal Doctrine of "market value "under Article 22 of the Inheritance Tax Act-
2. 2008/09 The Development of Tax Treaties and The Methods for Elimination of Double Taxation (International Fiscal Association, 2008 Annual Congress)
■ Books and Articles
1. 2026/01/15 Article Reconsidering the zero Value of the Right of Loan for Land Use under Inheritance Tax Law ―Decision of Tokyo High Court, Dec. 3rd. 2023―  pp.173-190 (Single) 
2. 2025/11/15 Article Various Problems in creative accumulation of digital society under the depreciation system of corporation tax law  pp.23-35 (Single) 
3. 2025/07/15 Article <Research Note> 〔Study note〕 The Meaning of “Foreign Controlling Shareholder or the Like” in Thin Capitalization Rule  pp.145-156 (Single) 
4. 2025/05/15 Article <Translation> Afton Titus, The role of the United Nations in ensuring equitable tax policies for developing countries(2024)  pp.449-460 (Single) 
5. 2025/03/15 Article <Research Note> Taxation on the Attribution of Land Ownership Rights Acquired through Inheritance to the National Treasury (Volume 1)  pp.229-240 (Single) 
Display all(32)
■ Academic background
1. 2001/04~2007/03 〔Doctorial Course〕, Yokohama National University, Completed,
2. 1998/04~2000/03 〔Master Course〕, Graduate School, Division of International Business Law, Yokohama National University, Completed,
■ Business career
1. 2023/05~ Osaka University of Economics Faculty of Business Administration Department of Business Law Professor
■ E-Mail Address
  kyoin_mail
■ Present specialized field
Public law 
■ e-Rad Researcher Number
10734535