Hidetoshi Masunaga

Practice Areas

Intellectual property law and tax law

Career

Case highlights: - Case of a claim for realizing one person one vote of the national elections （SC Decision on Jan. 25, 2023 for the Lower House case, on October 18, 2023 for the Upper House case） - Case of a claim for nullification of correction of corporate tax to JPY 25.2 billion （Tokyo High Court judgment 2006/03/15） - Case of a claim for a reasonable remuneration for employee’s invention (Blue LED) by Dr. Shuji Nakamura, Nobel prize laureate in Physics 2014. The Tokyo District Court 2004/01/30 ordered company to pay 20 billion as the consideration for transfer of the patent.

Professional Memberships

Admitted in Japan (1973), Washington D.C. (1981), New York (1984).

Publications

Article concerning “Vote-Value Disparity in the Upper House” (Hanrei Jiho 2456-125, 2020/11/11）

Book “Litigation under the Governance Theory of Population Proportional Election Ⅳ” (Nippon Hyoron Sha Co., Ltd., 2023/9/30)

Book “Litigation under the Governance Theory of Population Proportional Election Ⅲ” (Nippon Hyoron Sha Co., Ltd., 2021/5/3)

Book “Litigation under the Governance Theory of Population Proportional Election Ⅱ” (Nippon Hyoron Sha Co., Ltd., 2020/09/30)

Book “Litigation under the Governance Theory of Population Proportional Election” (Nippon Hyoron Sha Co., Ltd., 2020/03/31)

Article “Two Major Issues in the December 19, 2018 Decision of the Supreme Court of Japan Grand Bench” (Hanrei Jiho 2403-130, 2019/06/21)

Languages Spoken

Japanese / English

Education