Company overview

 Name  International Interface Co., Ltd.
 Established  June 8, 2000

 2-26-32 Minami-aoyama, Seizan 402, Minato-ku Tokyo, 107-0062
 Tel:03-5414-6130 / Fax:03-5414-6131

 800 W. El Camino Real, Suite 180, Mountain View CA 94040, USA
 Tel:+1-650-903-2240 / Fax:+1-650-952-1188

 Business  Strategic investment consultancy, technology research, market research, information  provision, multi-lingual production (IR, advertising and public relations), translation,  interpretation, real estate brokerage (Tokyo Governor license for real estate trader No.  (2)  96857), travel agency (Tokyo Governor license for travel industry No. 2-6804), etc.
 Capital  JPY 10,000,000
 Main Banks

 Sumitomo Mitsui Banking, Aoyama branch
 Bank of Tokyo-Mitsubishi UFJ, Omotesando branch

 Representative  Norihiko Hirose, President & CEO


Access map

From Gaienmae Station (Tokyo Metro Ginza Line), take Exit 1A, and go straight along Aoyama-dori toward Shibuya.
Turn left at the SUBWAY sandwich shop, and you will see the “Seizan” building surrounded by bamboo trees.
Go down the first set of stairs, and ring at the intercom at the entrance.





Seizan building and the entrance

Seizan Seizan2 Seizan3


Our agent

Norihiko Hirose

Mr. Hirose  

Norihiko Hirose established International Interface in 2000 and International Interface (U.S.) in 2003. As an international business consultant, he has played a central role in numerous strategic investment partnerships, technological surveys, and matters of marketing, business, and communications between Japanese and American firms.
Before becoming an independent consultant, Mr. Hirose was active in a wide range of roles at NTT and NTT Docomo, as a systems engineer and variously in the capacities of corporate planning, product planning, business startups, marketing, advertising, M&A, investment partner management, and overseas venture investment. He was a part of the early planning team for i-mode, Japan's mobile web platform, and was active in the international standardization of the Internet in terms of specifications and W3C standards.

Mr. Hirose has spent over 10 years in the U.S. and been a frequent guest speaker for leading American universities, companies, information and telecommunications industry associations, and venture capital organizations, including Stanford University, UC Berkeley, UCLA, UC San Diego, Intel, ITAA, Accel Partners, and Doll Capital.

Master's degree, Sophia University Graduate School
MBA, Carnegie Mellon University Graduate School
Immigration lawyer
Licensed reale estate agent


→ Our other team members



 Jun. 2000  International Interface Co., Ltd. established in Minami-Aoyama, Tokyo
 Apr. 2003  International Interface, Inc. established in Silicon Valley as an American corporation  (consulting services for start-up companies, Representative Director  Norihiko Hirose)
 Jan. 2004  World Tech Partners, LLC established in Silicon Valley (technical surveys,  investment  advisory services, Managing Partner Norihiko Hirose)
 Aug. 2006  International Interface Co., Ltd. moved its office to Roppongi, Tokyo
 Aug. 2008  International Interface Co., Ltd. moved its office to Minami-Aoyama, Tokyo
 Aug. 2011  Integration of operations at International Interface, Co., Ltd., International Interface, Inc.,  and World Tech Partners, LLC. 
Jan. 2015  Expanded real estate business as RE/MAX Group’s first franchise in Japan