• 2011 to 2022        Statutory Auditor of Enigmo Inc.
• 2018 to date         Auditor of Japan Football Association
• 2018 to date         Statutory Auditor of Broadleaf Co., Ltd.
• 2020 to date         Statutory Auditor of SHIMADZU CORPORATION
• 2022 to date         Outside Director serving as  Audit & Supervisory Committee member of Enigmo Inc.

• “Practice of Preparation for Shareholders’ Meeting for Year 2023 and Anticipated Questions and Planed Answers”
  Published by Chuokeizai-sha (2023) (Co-author)
• “AI Development Agreement Leading Users to Success”
  Published by Shojihomu (2020)
• “Everything of Effective Management of Subsidiaries” Published by Shojihomu (2018) (Co-author)
• “Corporate Governance Handbook”
  Published by Shojihomu (Co-author) (2017)
• “System Development Agreement Leading Users to Success”[2nd Ed.]
  Published by Shojihomu (2016)
• “Operation of Shareholders’ Meeting”
  Published by Shojihomu (Jyunkan Shojihomu No.2096, 2016)
• “Strategy to Utilize System of Company with Audit Etc. Committee”
  Published by Shojihomu (2015) (Co-author)
• “Handbook for Directors and Officers” [2nd Ed.]
  Published by Shojihomu (2015) (Co-author)
• “Specialized Suit Lecture Series No.7, Corporate Litigation,Lawsuits/Non-contentious Cases/ Provisional Disposition Cases”
  Published by Minjiho-Kenkyukai (2013) (Co-author)
• “Q&A: Earthquake Disaster and Management of Shareholders’ Meeting”
  Published by Shojihomu (2011) (Co-author)
• “Everything on Going Private”
  Published by Shojihomu (2010) (Co-author)
• “Victory over Shareholders / Victory by Shareholders ? Proxy Fights and Management of Shareholders’ Meeting”
  Published by Shojihomu (2008) (Co-author)
  and many other

・Amendment to Corporation Act and newest issues.

・Technical knowledge to win system development disputes.

・Legal problematic points and risks latent in the cloud.

・Problems in proxy fights/litigation to revoke a resolution of a shareholders meeting.

・Overview and the latest points in insider trading regulations.

・Introducing/re-designing acquisition protection measures.

・Explanation on recent major precedents involving corporate business practices.

・The actualities of going private.

and Others

Litigation/dispute resolution relating to the Companies Act and other corporate legal matters

• Counsel to a director in a shareholder derivative lawsuit.
• Counsel to a foreign-invested financial institution in a lawsuit where a business company claimed compensation for damages (approx. 15 billion yen) based on a violation of the accountability regarding currency derivatives.
• Counsel to a company in a lawsuit relating to a squeeze-out accompanying an MBO and acquisition as a wholly-owned subsidiary (relating to petition for the determination of the price and withdrawal of the exercise of appraisal rights).
• Counsel to a filed company in a lawsuit to revoke a resolution at the shareholders meeting upon a squeeze-out accompanying the acquisition as a wholly-owned subsidiary (Oita Trinita case).
• Counsel to a filing shareholder in a lawsuit to revoke a resolution at the shareholders meeting regarding proxy fight over a proposal to appoint officers in the shareholders meeting (Moritex case).
• Counsel to Nippon Broadcasting System in a petition for provisional disposition seeking an injunction of issuance of share options filed for reasons of unfair issuance upon issuance of share options (livedoor vs. Nippon Broadcasting System case).
• Counsel to CSK in a petition for provisional disposition seeking an injunction of issuance of share options filed for reasons of unfair issuance upon a capital increase through third-party allotment carried out under conditions of contested leadership (CSK vs. BELLSYSTEM24 case).
• Counsel to Nippon Gas Co., Ltd. in a case by other LP gas retail companies (small and medium-size businesses) seeking an injunction etc. pursuant to the Antimonopoly Act based on discriminatory pricing (Nippon Gas case).
• Counsel to a plaintiff in a lawsuit claiming compensation for damages and seeking an injunction pursuant to the Unfair Competition Prevention Act in a case of announcement of a falsehood that could harm the business credibility of a competitor gas company.
• Numerous other cases, including product liability litigation, defamation of character litigation, labor-related litigation, real estate-related litigation, and various provisional disposition (including measures against libeling on the internet).

Corporate Acquisitions/Corporate Reorganization

• Acting as chairman of third party committee established as a measure for avoiding conflict of interest, prepared written opinions during deals on the takeover and delisting of Hitachi Kokusai Electric Inc. by KKR etc.
• Acting as legal counsel of Misawa Homes Co., Ltd., offered legal advice in deal by Toyota Housing Corporation to make Misawa Homes its subsidiary through takeover and a capital increase through third-party allotment.
• Acting as legal counsel of Nippon Gas Co., Ltd., offered advice in deal by Nippon Gas to make 4 companies, including its listed subsidiaries, its wholly-owned subsidiaries through a share transfer.
• Provided third-party written opinion during deal by Yahoo Japan Corporation as part of its capital policy to acquire treasury shares from its parent company Softbank Group Corp. through share repurchase.
• Offered legal advice to companies to be acquired and acquiring parties in MBO deal (Aucnet Inc., HoriPro Inc., Tachihi Kigyo Kabushiki Kaisha, etc.), MEBO deal, and deal to acquire as a wholly-owned subsidiary.
• Counsel to a foreign-invested worker dispatching company, conducted due diligence investigation, and prepared and negotiated contracts in an acquisition of a Japanese worker dispatching company.
• Acting as legal counsel to an electric company, conducted due diligence investigation, and prepared and negotiated contracts in an acquisition of a geothermal power plant by the electric company using the methods of merger, business transfer, 100% capital increase/decrease, and a debt equity swap.
• Offered legal advice during the group reorganization of a financial institution.
• Numerous other cases of mergers, company splits, share transfers, business transfers, capital and business tie-ups, and joint venture establishment/dissolution (both domestic and overseas).

Corporate Governance

• Proxy fights, special shareholder response measures, and shareholders meeting response measures during both times of non-incident and contingencies.
• Response to the Corporate Governance Code, including remuneration design for officers, optional remuneration and nomination committees, plans for succession, and self-evaluation of Boards of Directors.
• Institutional design/transition.