• Decades of experience serving
    clients around the world

About Us

About Legacy Tomodachi

Legacy Tomodachi is a service for solving legal matters of inheritance in Japan. Part of the STK Group, Legacy Tomodachi’s services are backed by the foremost provider of international legal consulting services in Japan.

The advantage of Legacy Tomodachi is a dedicated team of in-house experts with judicial scrivener (shiho-shoshi) and administrative scrivener (gyosei-shoshi) accreditation in addition to consultants experienced in handling international inheritance matters. With a team of professionals including native speakers of English, Chinese, and Korean, in addition to Japanese, we are committed to providing first class service.

Our motto is “no case is impossible.” We have the can-do attitude, experience, and resources to successfully reach settlements that no other team in Japan can handle.

Whether you reside within Japan or outside of Japan, Legacy Tomodachi is a partner you can trust to provide timely legal advice and assistance.

About STK Group

STK Group has over a decade of experience in providing legal services, with a dedicated team with over 50 years of combined legal experience and problem-solving ability. Our group stands out as the foremost judicial scrivener corporation that specializes in matters involving overseas clients and assets.

Where other firms in Japan will refuse or outsource such projects, we pride ourselves in being able to navigate Japan’s legal system to meet the needs of both foreign nationals and Japanese citizens. In addition to Legacy Tomodachi, STK Group’s network of companies include specialists in incorporation, real estate, international contracts, legal translation & interpretation, and global consulting among other related services.

Group President

Masato Sasaki
President & Representative Judicial Scrivener
STK Group

Masato Sasaki is founder and representative judicial scrivener of the STK Group. After establishing the STK Group in 2007, Masato has built STK Group into the foremost facilitator of legal matters involving foreign nationals and management of overseas assets.

When referring to the business approach cultivated at STK Legal Services, Masato says, “Some legal procedures are difficult, but nothing is impossible.” By taking on projects and cases that other firms are unable to handle and by maintaining a high standard of customer service, the STK Group has grown into a highly productive business with over 40 employees across its offices in Tokyo, Nagoya, Osaka, and Singapore. Masato has been integral to this success.

Born and raised in Tokyo, Masato is a graduate of Chuo University’s Faculty of Law. Masato enjoys playing golf and spending time with his family.

Our Team

Yongsu Gen 🇰🇷🇯🇵
Partner Administrative Scrivener

A lifelong resident of Tokyo, Yongsu Gen is Partner at STK Group and a licensed administrative scrivener. An expert in solving complex cross-border legal procedures, Yongsu has helped thousands with Japanese visa applications as well as inheritance procedures.

After graduating from Tokyo’s Wako University, Yongsu built a career as an administrative scrivener, joining the STK Group in 2007. With Korean roots giving him native ability with the Korean language, Yongsu is passionate about helping clients build meaningful business relationships in both Korea and Japan.

Satoshi Iseki 🇬🇧🇯🇵
Partner Judicial Scrivener
Manager, Osaka Office

Satoshi Iseki is Partner at STK Group and Manager of the STK Group Osaka Office. Born in Hyogo Prefecture, Japan, Satoshi spent 5 years living and working in Canada. After returning to Japan and receiving accreditation as a licensed judicial scrivener, Satoshi joined the STK Group in 2014.

With an analytical mind and a passion for problem solving, Satoshi is a seasoned expert in solving complex matters of inheritance. Outside of work, Satoshi enjoys playing the guitar and has experience as a professional musician.

Mikio Sasaki 🇬🇧🇯🇵

With over a decade of experience leading overseas branches of a major Japanese firm in London, Amsterdam, and Istanbul, Mikio is supports client relations for Legacy Tomodachi. Hailing from Sado Island in Niigata Prefecture, Mikio is experienced in client relationship management and making sure customers get the best support.

A graduate of Shinshu University’s Faculty of Economics, Mikio is a licensed administrative scrivener who specializes in inheritance, in addition to incorporation and immigration procedures. In his free time, Mikio enjoys tennis, swimming, and skiing.

Konan Ishida 🇨🇳🇯🇵

A native of Shanghai, China, Konan joined the STK Group in 2014 after graduating from Keio University’s Faculty of Law. Fluent in Japanese in addition to his native Chinese, Konan enjoys helping clients solve complex problems and helping them build both business relationships as well as relationships with government offices.

Konan is well-versed in matters of inheritance involving real estate and is a licensed real estate transaction agent. When he is not helping Chinese and Taiwanese clients, Konan enjoys watching American movies and playing RPG games.

Lihua Cui 🇨🇳🇰🇷🇯🇵

A native of Heilongjiang Province, China, Lihua enjoys helping clients using her native-level Chinese and Korean language ability. Lihua joined the STK Group in 2016 after graduating from Kanagawa University in Yokohama.

Lihua is a student of Qigong, an ancient Chinese exercise and healing technique, and also enjoys watching Japanese and Chinese comedy.

Yuan Zhong 🇨🇳🇬🇧🇯🇵

With fluent language ability in English and Japanese, Yuan is in charge of Chinese and Hong Kong-related clients and assets. Yuan joined the STK Group in 2018 after graduating from Keio University Law School with an LL.M. in Global Legal Studies.

A native of Jinan, China, Yuan obtained his BA in Translation and International Laws from China Foreign Affairs University and spent time studying abroad at University of California, Berkeley. On his days off he enjoys discovering amateur comic works in Akihabara and taking short train tours.

The STK Group of Companies

  • STK Legal Services
    Japan legal navigator. Licensed judicial scrivener and administrative scrivener corporation.
  • STK Properties Co.Ltd.
    Japan real estate consulting. Specialists in managing corporate and individual real estate transactions.
  • STK Global Consulting Pte.Ltd.
    Your partner in Japan legal affairs. Decades of experience helping foreign nationals do business in Japan.
  • STK Advisors Co.Ltd.
    Asset management advisory. Helping Japanese abroad manage diverse assets and cross-border tax compliance.

Our Offices

Legacy Tomodachi Tokyo
STK Group Tokyo Office
4/F Toetsu-Hakuyo Bldg.
4-9 Yonbancho, Chiyoda-ku, Tokyo
Japan 102-0081
Tel: +81 (0)3-3234-1077

Legacy Tomodachi Nagoya
STK Group Nagoya Office
5/F Meigin-Ekimae Bldg.
3-21-4 Meieki, Nakamura-ku, Nagoya, Aichi
Japan 450-0002
Tel: +81 (0)52-526-2261

Legacy Tomodachi Osaka
STK Group Osaka Office
6/F Dojima Bldg.
2-6-8 Nishitenman, Kita-ku, Osaka
Japan 530-0047
Tel: +81 (0)6-6362-3003

Legacy Tomodachi Singapore
STK Global Consulting Pte.Ltd.
North Bridge Centre #03-01
420 North Bridge Road

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