Sanno Park Tower 12F (Reception) and 14F,
11-1, Nagatacho 2-chome, Chiyoda-ku,
Tokyo 100-6114, Japan

Tokyo Metro Ginza Line: G06 Tameike-sanno Station, Exit 7 (directly accessible through the second basement)

Tokyo Metro Nanboku Line: N06 Tameike-sanno Station, Exit 7 (directly accessible through the second basement)

Tokyo Metro Chiyoda Line: C07 Kokkai-gijido-mae Station, Exit 5 (3 minutes’ walk)

Tokyo Metro Marunouchi Line: M14 Kokkai-gijido-mae Station, Exit 5 (10 minutes’ walk through Chiyoda Line platform)


Naoki Hieda

Naoki Hieda

TEL +81-3-5511-3242 / FAX +81-3-5511-3258

Bar Association
Japan (2004)  New York (2012)


Waseda University (LL.B.)
Admitted in Japan (Dai-ni Tokyo Bar Association)
Ushijima & Partners
University of Southern California Gould School of Law (LL.M.)
Dewey & LeBoeuf LLP, London (-2012)
Admitted in New York
Resumed practice at Ushijima & Partners
Seconded to SIAM CITY LAW OFFICES Limited, Bangkok, Thailand
Seconded to Tilleke & Gibbins, Bangkok, Thailand
Resumed practice at Ushijima & Partners
Partner, Ushijima & Partners


Selected in the Real Estate Law practice area in The Best Lawyers in Japan 2022 (April 2021)
Introduced as “recommended” in the “Real estate and construction” practice area in Legal 500 Asia Pacific 2018 (November 2017)

Major Practice Areas

Real Estate

Advised foreign companies on acquisition of real properties and development of their commercial buildings in Japan.
Advised overseas funds and other investors on their investments in and developments of hotels, condominiums, etc., in Japan.
Advised on obtaining business licenses and regulatory issues under the Real Estate Specified Joint Business Act.

Cross-Border Investment/M&A

Business expansion of Japanese companies into Southeast Asian countries (including establishment of local subsidiaries and joint ventures with local partners).
Cross-border M&A transactions (including those in North America and the EU).


Advised foreign insurers on the regulations under the Insurance Business Act for entry into the Japanese market.


Various litigations representing domestic and foreign corporate clients (including an IT company, real estate developer, insurance company and franchise company).

General Corporate

Advised overseas and domestic clients on their various commercial transactions and activities.

Articles, etc.

“Must-see for Management! Labor Law in Thailand that the Management Should Know” (November 2013 issue of the monthly magazine “ArayZ Magazine”)
“Forefront of corporate legal affairs in Thailand” (series in Nikken Thai Business from October 2012 to September 2013)
“Recent trend of amendments of laws and regulations in Thailand” (December 2012 issue of the newsletter of Japanese Chamber of Commerce, Bangkok)

Lectures Given

“IP strategy for overseas operations – points to note and risk measures – ” (National Federation of Small Business Associations, September 20, 2017)
“Labor Laws and Regulations in Thailand” (ASEAN-JAPAN CENTRE, June 9, 2015)
“New Financing Method for Enhancement of Business “Legal risks of companies making inroads into Thailand and practical countermeasures thereagainst” (Corporate Management Forums, Inc. (Keiei Chousa Kenkyukai), August 5, 2013)