History
| March 2012 | Graduated from Chuo University, Faculty of Law (LL.B.) |
| November 2012 - December 2013 | The Legal Training and Research Institute of the Supreme Court of Japan |
| December 2013 | Admitted to Japanese Bar (The Dai-ichi Tokyo Bar Association) |
| January 2014 - September 2015 | Anderson Mōri & Tomotsune |
| October 2015 | Momo-o, Matsuo & Namba |
| May 2017 | Advisory Lecturer for Students Who Have Not Previously Studied Law, The University of Tokyo, School of Law |
| May 2020 | Master of Laws (LL.M.) at University of Southern California (USC) Gould School of Law |
| September 2020 - July 2021 | Shearman & Sterling LLP in New York |
| 2021 | Admitted to New York Bar |
| November 2021 | Momo-o, Matsuo & Namba |
News
Masao Torikai, Hirotoshi Kakumoto, Masayuki Inui, and Toshihiro Yamaguchi authored “Corporate Finance by Venture Companies (2nd edition)” published by Shojihomu (January 2022).