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Noritaka Kumamoto

Noritaka Kumamoto

41st Floor 9-10, Roppongi 1-Chome
Ark Hills Sengokuyama Mori Tower
Minato-Ku, Tokyo 106-0032 JP
Phone: +81-3-5562-6219
Fax: +81-3-5562-6202
  • New York University School of Law, 2007 LL.M. (Taxation)
  • Columbia Law School, 2001 LL.M.
  • Waseda University School of Law, 1992 B.A.
  • American Bar Association
  • New York 2003
  • *Not registered as a Foreign Attorney in Japan; Application pending 
  • U. S. District Court Southern District of New York 
  • U.S. District Court Eastern District of Michigan 
  • U.S. Tax Court 

Noritaka Kumamoto is a Partner in Simpson Thacher’s Tokyo office and a member of the Firm’s Mergers and Acquisitions Practice and Litigation Practice. Noritaka regularly represents major Japanese and U.S. corporations and financial institutions on both inbound and outbound M&A transactions, and also represents various Japanese corporations on government investigations and litigations. Some of his clients include KKR, Sumitomo Life Insurance and Murata Manufacturing.

Prior to joining the Firm, Noritaka worked in the business and legal departments of major Japanese banks in Japan and New York. He is a Japanese citizen and fluent in Japanese.

Noritaka’s representative transactions include advising:

  • KKR and Rakuten in the acquisition of a controlling stake in Seiyu from Walmart
  • KKR in the sale of its stake in AlphaTheta Corporation (formerly Pioneer DJ Corporation) to Noritsu Koki Co., Ltd.
  • KKR in the sale of Kokusai Electric Corporation to Applied Materials, Inc.
  • KKR in its tender offer for Hitachi Koki
  • KKR in its tender offer for Calsonic Kansei
  • Sumitomo Life Insurance Company in its acquisition of NYSE-listed Symetra Financial Corporation
  • Murata Manufacturing Co. Ltd. in its acquisition of NASDAQ-listed Peregrine Semiconductor Corp.
  • Panasonic Healthcare in its acquisition of Bayer’s Diabetes Care Business Division
  • Marelli (formerly Calsonic Kansei) in its acquisition of Magneti Marelli
  • Sanyo Electric Co., Ltd. in obtaining antitrust clearance from the Federal Trade Commission in its acquisition by Panasonic Corporation
  • Panasonic (formerly Matsushita Electric Works) in its acquisition of Universal Lighting Technologies
  • KKR in its acquisition of Panasonic Healthcare
  • KKR in its acquisition and sale of Intelligence Holdings
  • AIG in its sale of the AIG Otemachi Building to Nippon Life Insurance
  • Various government investigations and civil litigations involving Japanese companies

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