Skip to main content

    Idemitsu Kosan Co., Ltd. - Signs Capital and Business Alliance with Fuji Oil Company, Ltd. and Acquires Shares of Fuji Oil from Sumitomo Chemical Co., Ltd. and JERA Co., Inc.

Nishimura & Asahi advised Idemitsu Kosan Co., Ltd. [TSE: 5019], a petroleum refineries company, on its capital and business alliance with Fuji Oil Company, Ltd., a crude oil refiner. We also advised on its acquisition of shares of Fuji Oil, owned by Sumitomo Chemical Co., Ltd. [TSE: 4005] and JERA Co., Inc., an energy company.

The Nishimura & Asahi team advising Idemitsu Kosan was led by partners Yuki Oi, Takeshi Nemoto and Kazumaro Kobayashi.


大井 悠紀

Yuki Oi is a partner in our M&A/Corporate practice group. He advises domestic and international corporations and financial institutions on their cross-border and domestic M&A transactions. He also handles corporate governance matters and general corporate issues, as well as corporate crisis management matters and commercial litigation.
 Some of the major cases he has advised on include representing UFJ Holdings on its integration with Mitsubishi Tokyo Financial Group (2006), Bulldog Sauce on its famous defense against a hostile takeover attempt initiated by Steel Partners (2007), the Osaka Securities Exchange on its integration with the Tokyo Stock Exchange (2011), Idemitsu Kosan on its integration with Showa Shell Sekiyu (2015-19), Toshiba on its divestiture of Toshiba Memory Corporation (2018), and Honda on its strategic alliance with Sony Group in mobility sector (2022).
 He was awarded the Young Lawyer of the Year Award at the ALB Japan Law Awards 2019, and the Innovative Practitioners Award at the FT Innovative Lawyers Awards Asia-Pacific 2020. He was also selected as one of Asia’s top 40 lawyers under 40 by Asian Legal Business in 2017.
 He has also served as a lecturer at the University of Tokyo, Faculty of Law (2012-13), and Graduate Schools for Law and Politics (2014-present).

根本 剛史

Takeshi has handled many complex M&A transactions and provides sincere advice to his clients. He has extensive experience in M&A-related disputes, and is well versed in the various issues facing companies with founding family shareholders. In recent years, he has been involved in many cases involving business and human rights, impact investing, and advises companies from the perspective of sustainability. He is also actively involved in pro bono work and is one of the most experienced in Japan.

小林 和真呂

Kazumaro’s antitrust practice spans various industries, including automotive, energy, telecommunication, medical/healthcare and finance. Kazumaro regularly represents clients in high-profile matters, including merger and acquisitions that require approval in multiple jurisdictions, and global and domestic cartel investigations.