Welcome to Tri-Star Legal Office, Chieko Sasayama

-We have the perfect solution to every problem for each customer-

Tri-Star Legal Office Chieko Sasayama provides consulting and business support services, inheritance of overseas assets for individuals, and for various business operations for international corporations in Japan.

We thrive to deliver high quality service not only with local but with our network of overseas specialists. In all businesses we handle, we dedicate to providing the best service that meet our clients’ need.

When we receive your request, we will work with all our devotion in order to provide the best solution for you. Please feel free to contact us!


Our office offers free 30 min consultation. Please email us now!

[ E-mail ] info*sasayama-jimusho.com

---> Please change * to @ when you send us your e-mail.

[Contact form] Contact Form

Our services

International inheritance

Last will


  • Death certificate, Agreement, Affidavit, Declaration, etc.

Passport certification

  • ID certification

Office information

Tri-Star Legal Office, Chieko Sasayama


  • Representative: Chieko Sasayama

  • Address: Marine Building 802, 4-23 Kaigandori, Naka-ku, Yokohama, Kanagawa, 231-0002 Japan

  • Tel: +81-(0)45-479-8752

[ Qualification and License ]

  • Gyoseishoshi* (Registration #: 10091566)

  • Financial Planner(AFP - Affiliated Financial Planner)

  • CS Planning Office (Financial Planning Office) Representative

  • Member of the Yokohama Chamber of Commerce and Industry

*Gyoseishoshi is Certified Administrative Procedures Legal Specialist (CAPLS) appointed under the jurisdiction of Ministry of Internal Affairs and Communications in Japan.

[ Work experience ]

  • Partner of Tri-Star Legal Offce ( Apr 2014 - present)

  • Partner of Sakuramirai Legal Office (Dec 2012 - Mar 2014)

  • Partner (sole proprietor) of Sasayama Office (June 2010 - Nov 2012)

  • TAKADA, TAKAHASHI AND PARTNERS (TOKYO) , Intellectual Property Paralegal (Apr 2006 - Sep 2009)

  • Japan Agency for Marine-Earth Science and Technology (Apr 2003 - Mar 2006)

Gyosei shoshi: Certified Administrative Procedures Legal Specialist (CAPLS)

Certified Administrative Procedures Legal Specialist (CAPLS) are national licensed specialists who mainly practice preparation and submitting of documents for permission, approval, license, etc. to relevant governmental agencies or bureaus on behalf of clients, giving professional advice to them, as well as prepare various documents on rights and duties such as Agreement on Distribution of Estate, and certification of facts under Japanese Certified Administrative Procedures Legal Specialist Act enforced on February 22, 1951.

Certified Administrative Procedures Legal Specialist Act (Act No. 4 of February 22, 1951)