Partner-in-Charge Tokyo

Tokyo + 81.3.6800.1828

Hiromitsu Miyakawa has more than 20 years of experience in antitrust and competition matters and has served as defense counsel in major cartel prosecutions by the Japan Fair Trade Commission (JFTC). His practice covers government investigations, mergers and acquisitions, litigation, and other counseling and compliance advice. He also focuses on Foreign Corrupt Practices Act (FCPA) compliance issues and helps companies to establish, enhance, and maintain effective compliance programs. He is Partner-in-Charge of the Firm's Tokyo Office.

In addition, Hiromitsu has spoken and served as a member of study groups at Japanese governmental organizations, including JFTC; the Ministry of Economy, Trade and Industry (METI); and the Ministry of Land, Infrastructure, Transport and Tourism (MLIT). He also has been serving as a nongovernmental advisor (NGA) for the International Competition Network (ICN).

Before joining Jones Day in 2006, Hiromitsu worked for 10 years with one of the leading law firms in Japanese antitrust law.


  • Procter & Gamble sells Duracell to Berkshire Hathaway for $2.9 billionJones Day advised The Procter & Gamble Company ("P&G") in the sale of its Duracell personal power business to Berkshire Hathaway Inc. for $2.9 billion.
  • DENKA buys Neoprene polychloroprene business of DuPont™Jones Day advised Denki Kagaku Kogyo Kabushiki Kaisha (DENKA) in the purchase of the Neoprene polychloroprene business of DuPont™ by Denka Performance Elastomer LLC, a joint venture company owned 70 percent by DENKA and 30 percent by Mitsui & Co., Ltd.
  • Bayer acquires consumer care business of U.S.-based Merck for $14.2 billionJones Day advised Bayer AG on the antitrust aspects of its $14.2 billion acquisition of the consumer care business of U.S. pharmaceutical company Merck & Co., Inc.
  • Manufacturer resolves investigation into alleged cartel activitiesJones Day represented a manufacturer facing investigations by multiple competition authorities regarding alleged cartel activity in the autoparts industry.
  • Procter & Gamble sells global (excluding most of Europe) pet care business to Mars for $2.9 billionJones Day advised The Procter & Gamble Company in the $2.9 billion sale of its global (excluding most of Europe) pet care business, including its IAMS®, EUKANUBA®, and NATURA® brands, to Mars, Inc.
  • Confidential client defends worldwide investigations of alleged cartel activity in electrolytic capacitors sectorJones Day is defending a confidential client in worldwide investigations of alleged cartel activity in the electrolytic capacitors sector.
  • Shiseido successfully sells CARITA and DECLÉOR to L'OréalJones Day advised Shiseido Co., Ltd., a Japanese hair care and cosmetics producer, in connection with the successful €230 million (US$318 million) sale of CARITA and DECLÉOR, two French skincare, body care, and hair care brands, to L'Oréal S.A. in a combined share and asset transaction.
  • Mitsui Chemicals acquires Heraeus Dental for €450 million (US$578 million)Jones Day advised Mitsui Chemicals, Inc. in its acquisition of the dental business of Heraeus Holding GmbH for €450 million (US$578 million).
  • Goodrich merges with industrial conglomerate United Technologies for $18.4 billionJones Day advised Goodrich Corporation in its $18.4 billion merger with United Technologies Corp., marking a major milestone for the company and strengthening its position in the commercial aerospace industry.
  • Dainippon Sumitomo Pharma acquires oncology-focused biotechnology company Boston Biomedical for $200 million plus up to $2.2 billion in earnoutsJones Day advised Dainippon Sumitomo Pharma Co. in its acquisition of Boston Biomedical Inc. ("BBI") for US$200 million plus up to US$2.2 billion in earnouts.
  • RHJ International sells 100% equity interest in Phoenix Resort to Sega SammyJones Day advised RHJ International SA in connection with its sale of its 100% equity interest in Phoenix Resort K.K., a multi-faceted hotel, resort, and conference complex, to Sega Sammy Inc., a Japanese listed corporation.
  • Texas Instruments makes $6.5 billion acquisition of analog device and subsystems specialist National SemiconductorJones Day advised Texas Instruments Incorporated, a global analog and digital semiconductor IC design and manufacturing company, in connection with its $6.5 billion acquisition and related financing of National Semiconductor Corporation, a semiconductor manufacturer that specializes in analog devices and subsystems.
  • RHJ International sells its 77.9% ownership of Niles Co. to Valeo for ¥15.4 billion (€135 million)Jones Day advised RHJ International SA in its sale of its 77.9% interest in Niles Co., Ltd., a Japanese auto parts manufacturer, to Valeo SA, a worldwide leader in the interior controls market, for a total cash consideration of ¥15.4 billion (€135 million).
  • Stallergenes licenses allergy medicine for house dust mites immunotherapy to ShionogiJones Day's Paris, Tokyo and San Diego offices represented Stallergenes S.A. in a distribution and license agreement involving Actair (tm) tablets for providing immunotherapy to allergies for house dust mites in Japan and Taiwan.
  • Stallergenes licenses allergy medicine for Japanese cedar immunotherapy to ShionogiJones Day's Paris, Tokyo and San Diego offices represented Stallergenes in a distribution and license agreement with Shionogi & Co. Ltd. involving tablets for providing immunotherapy to allergies for Japanese cedar in Japan.
  • Sumitomo Chemical acquires 20% of NuFarm for $622 millionJones Day advised Sumitomo Chemical, a company listed on the Tokyo Stock Exchange ("Sumitomo") in its strategic investment and alliance with Nufarm Limited, a company listed on the Australian Securities Exchange and one of Australia's largest agro-chemical companies with an annual turnover in excess of $2.6 billion.
  • American Airlines secures alliance with Japan AirlinesJones Day represented American Airlines, Inc. before antitrust and regulatory agencies in Asia and the U.S. in a successful global effort to retain its multi-year joint business agreement with Japan Airlines, under which JAL will remain within the oneworld alliance.
  • Japanese multi-level marketing company complies with Japan's METI regulationsJones Day represented a Japanese multi-level marketing company in connection with administrative sanctions by the Ministry of Economy, Trade and Industry of Japan (METI) due to allegedly unlawful solicitation by its members.
  • Nissin Food acquires 33.5% stake in Russia's AnglesideJones Day represented Nissin Foods Holdings Co., Ltd. in connection with the acquisition of a roughly 15% stake in Angleside Ltd, the holding company of Mareven Food Central, the leading instant noodle manufacturer in Russia, for approximately ¥9 billion ($100 million).
  • Daiichi Sankyo acquires generic-drug maker Ranbaxy Laboratories for $4.6 billionJones Day advised Daiichi Sankyo Company, Limited, one of the largest pharmaceutical companies in Japan, in its acquisition of a majority equity interest in Ranbaxy Laboratories Limited, among the world's top 10 generic pharmaceuticals producers and the largest pharmaceutical company in India.
  • Additional Publications

    • April 2022
    • September 2019
      施行へ向け企業が確認すべきこと ―未然防止・有事対応の2つの視点で準備を(『ビジネス法務』中央経済社)
    • July 2018
    • June 2018
      M&A Lawyer Roundtable: Antitrust and Telecom in 2018, M&A Lawyer, Volume 22, Issue 6
    • October 2017
    • April 2013
      米国反トラスト法・EU競争法 ~国際的なカルテル規制の強化~ (21世紀政策研究所 研究プロジェクト)
    • May 2011
    • March 2010
      US, EU, China Competition Law Comparative Guidebook, Chuo Keizai Sha/ 米国・EU・中国 競争法比較ガイドブック(中央経済社)
    • September 2009
      国際的な整合性が図られた企業結合規制(『別冊ビジネス法務 改正独禁法の実務対応』)
    • November 2007
      ケースブック アメリカ法概説(雄松堂出版)
    • November 2007
      企業法務判例ケーススタディ300 企業取引・知的財産権編(金融財政事情研究会)
    • July 2007
      EUの競争法 カルテル規制(『ビジネス法務』)
    • April 2007
    • March 2007
      企業結合審査に関する独占禁止法の運用指針 改正案(『ビジネス法務』中央経済社)
    • October 2006
      ソニー・BMGの統合承認はなぜ無効に? EUにおける企業結合の審査手続(『ビジネス法務』12月号)
    • 2004
      Competitive Issues in the Dairy Industry: The Pending DFA/NDH/Hood Transaction
    • 2003
      Promotion of Antitrust and the Public Interest Through Use of Cy Pres Distrribution
    • 2003
      First Data/Concord Merger: A Background Briefing

    Additional Speaking Engagements

    • July/August 2022
      公益財団法人公正取引協会:米国・EU競争法講座 - EU競争法
    • November 2021
      公益財団法人公正取引協会:独占禁止法実務講座 - 競争政策の国際的展開と企業活動上の留意点
    • September 2012
    • September 2012
    • July 2012
      独占禁止法セミナー:独占禁止法コンプライアンス - 国際カルテルの摘発強化・厳罰化の傾向を踏まえて -
    • June 2012
    • April 2012
      ICN Annual Conference: Preventing antitrust violations -the role of compliance
    • March 2012
    • February 2012
    • February 2012
    • July 2011
      独占禁止法セミナー: 新たな企業結合審査の実務~事前相談の廃止を伴う企業結合規制の見直しを踏まえて~
    • June 2011
    • March 2011
      Competition Policy and Law Group Meeting (Asia-Pacific Economic Cooperation ): Procedural Importance to Competition Proceedings "Merger Context"
    • March 2011
      Meeting of the APEC Competition Policy and Law Group(CPLG): Procedual Importance to Competition Proceedings "Merger Context"
    • February 2011
    • November 2010
    • September 2010
      (社)企業研究会主催セミナー: 競争法に関する具体的事例検討と最新動向
    • June 2010
      経済産業調査会セミナー: グローバル競争社会における競争法(独禁法)の脅威とその対策
    • August 24, 2009
      New Business Combination Rule and its Impact on M&A Transaction, Practical Tips and Caveat, Jones Day Tokyo
    • June 18, 2009
      Antitrust in a World without a Center: Asia- A Progress Report, panelist
    • December 2009