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Nagashima Ohno & Tsunematsu

Work +81 3 6889 7000
Fax +81 3 6889 8000

Akihisa Shiozaki

Work +81-3-6889-7274
Nagashima Ohno & Tsunematsu

Work Department

Risk and Crisis Management/Compliance, Mergers and Acquisitions (M&A), Corporate Governance, Financial Regulations/Financial Compliance, Pharmaceutical/Health Care, Employment Law Advice, and Cybersecurity




Akihisa Shiozaki is a partner at Nagashima Ohno & Tsunematsu. Worked at the Prime Minister’s office as senior policy advisor from 2006 to 2007. He also serves as the vice-chairman of the Anti-Yakuza Committee at the Daiichi Tokyo Bar Association


Japanese and English


Dai-ichi Tokyo Bar Association, Japan.


Graduated from the University of Tokyo (LL.B.), holds an M.A. in international policy from Stanford University, and completed his MBA at the Wharton School of the University of Pennsylvania where he served as class president.

Japan: Risk management and investigations

Risk management and investigations ‚Äď Independent local firms

Within: Leading individuals

Akihisa Shiozaki - Nagashima Ohno & Tsunematsu

Within: Risk management and investigations ‚Äď Independent local firms

With particular strength handling regulatory and compliance matters with a cross-border element, Nagashima Ohno & Tsunematsu utilises its global capabilities to advise on issues in multiple jurisdictions. The team has substantial expertise that includes former prosecutors, accountants, government officials, PR specialists, and experts from various disciplines. The addition of advisors Toshihiko Itami (former head of the Osaka High Public Prosecutors Office) and Hideo Makuta (former Commissioner of the Japan Fair Trade Commission) further strengthened the group. Practice head Hideaki Kobayashi acts on high-profile corporate crisis mandates, with particular expertise in white-collar defence, third-party investigations, and media strategy; he is advising on a client's global strategy for handling the legal and regulatory issues arising from its falsification of data and inspection results which saw products below public standards shipped to customers. Akihisa Shiozaki is also acting for Takata on the company’s global strategy for handling the legal and regulatory issues arising from the high-profile product defect claims relating to its airbags.

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Legal Developments in Japan

Legal Developments and updates from the leading lawyers in each jurisdiction. To contribute, send an email request to
  • Taking control of a Japanese publicly listed company:

    Introductory notes for successfully completing an M&A
  • Yuasa and Hara Business Law News

    Contents of the Issue Law on liability for breach of contract Review on the amendment to the cabinet office order on Corporate Disclosure

    The Minister for Justice, Alan Shatter (‚Äúthe Minister‚ÄĚ), has published the Criminal Justice Bill 2011 (‚Äúthe Bill‚ÄĚ). The main purpose of the Bill is stated to be ‚Äú‚Ķto amend the criminal law to improve certain procedural matters and strengthen Garda investigative powers. The intention is that such improvements will assist in reducing the delays associated with the investigation and prosecution of complex crime, in particular white collar crime.‚ÄĚ
  • Japan: New legislative framework for Sukuk

    The new framework passed in May 2011 will provide a solid legal platform for issuing Sukuk Ijarah under Japanese law. NAOKI ISHIKAWA highlights key legal structures and tax treatment in respect of the anticipated Sukuk issuances in Japan.
  • Yakult Bottle Acquired Distinctiveness

    Do you know about Yakult's delicious lactic acid drink which is contained in a small bottle? Yakult's lactic acid drink (hereafter referred to as "Yakult drink") is the most famous lactic acid drink in Japan and today is also being sold in many countries around the world. When you are enjoying Yakult drink, please keep in mind the case mentioned below.
  • Tax: Japan: International Joint Ventures

    Tax on international joint ventures. Country Q&A (Japan).
  • Japan: Recent Developments in Practice and Law

    The successful closing of two Islamic fi nance transactions which was announced in July 2010 by Nomura Holdings have paved a concrete path for Japanese corporations to consider overseas Islamic fi nance markets for their fund raising activities. The fi rst transaction was in Asia for the issuance of Sukuk Ijarah and the second was in the Middle East for the establishment of a Commodity Murabahah facility (Nomura Deals).
  • Renewable energy takes off in Japan

    Like many other countries, Japan has decided to reform its renewable energy (RE) policy, to dramatically increase the use of renewable energy. The core policy mechanism is a feed-in tariff (FIT). This chapter summarises the contemplated Japanese FIT and its practical impact on existing and future investment in this sector, providing an overview of:
  • Licensing - 2010

    Q & A on Licensing in Japan 
  • Law on the Civil Jurisdiction of Japanese Courts over Foreign Countries, etc.

    The Law has been enacted to clarify the scope of application of the civil jurisdiction of Japanese courts over foreign countries, etc., and set exceptions to civil preocedings involving foreign countries, etc., based on the United Nations Convention on the Jurisdictional Immunities of States and their property (UN Convention on Immunities) (see Article 1).