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Company Profile

Company Name DIGITAL Hearts Co., Ltd. 
EstablishedApril 19, 2001 
Paid-in Capital276,090,000yen (as of the end of June 2014)
Board of DirectorsPresident and CEO    Jun Yamamoto
Director    Ken Hasegawa
Director    Keiya Kazama
Director    Tadahiro Ando
Auditor     Masahide Date
Employees8,393 (as of Mar. 31, 2013, including registered staff)
Business Fields Comprehensive debugging services
(*General worker dispatching undertakings: general 13-07-0485) 
“” site management, DIGITAL Hearts Creators Network business
BankersThe Bank of Tokyo-Mitsubishi UFJ, Ltd. (Sasazuka Branch)  Mizuho Bank, Ltd. (Shinjuku Fukutoshin Branch)
Resona Bank, Limited (Meguro Ekimae Branch) 
Locations Tokyo Headquarters
Tokyo Opera City Bldg. 32F,3-20-2 Nishi-Shinjuku,Shinjuku-ku,
Tokyo, 163-1432, Japan
TEL: +81-3-3379-2053 / FAX:+81-3-3379-2054
Branch offices
Sapporo Lab.
Sapporo 2nd Lab.
Sasazuka Lab.
Ueno Lab.
Asakusa Lab.
Nagoya Lab.
Kyoto Lab.
Osaka Lab.
Fukuoka Lab.



Our Group Companies 




Company NameHearts United Group Co., Ltd.
LocationLocation:32F Tokyo Opera City Bldg., 3-20-2Nishi-Shinjuku, Shinjuku-ku, Tokyo, 163-1432
TEL +813-3373-0082
EstablishedOctober 1, 2013 
President & CEOGenichiTamatsuka
Business FieldsManagement and administration of subsidiaries, etc. and businesses incidental or related thereto 




Company NameDIGITAL Hearts USA Inc.   
Location 3625 Del Amo Blvd. Suite 130 Torrance, CA 90503, USA 
TEL +1-424-247-2800 
Established October 2011 
President & CEOJun Yamamoto
Business Fields Comprehensive Debugging Services, etc.


DIGITAL Hearts Korea Co., Ltd.


Company NameDIGITAL Hearts Korea Co., Ltd.
LocationS-808, 64, Yanghwa-ro, Mapo-gu, Seoul,Korea
TEL +82-70-4349-1938 
EstablishedJuly 2011 
PresidentTeppei Komiya
Business Fields Comprehensive debugging services,video production services, etc.


DIGITAL Hearts (Thailand) Co., Ltd.


Company NameDIGITAL Hearts (Thailand) Co., Ltd.
Location1000/7-8 Liberty Plaza,19th Floor Sukhumvit 55 Road,Klongtonnua,Wattana,Bangkok 10110 Thailand
TEL +66-2-016-7770
EstablishedDecember 2011
PresidentTeppei Komiya
Business FieldsDebugging service and development outsourcing service
Aetas, Inc.


Company NameAetas, Inc. 
Location Tokyo Tatemono Kyobashi Bldg. 5F, 3-6-18Kyobashi, Chuoku,
Tokyo, 104-0031,Japan
Established December 2005 
President Kazuhisa Okada 
Business Fields Planning and management of PC online game information site “”, etc.


NetWork21 Co.,Ltd


Company NameNetWork21 Co.,Ltd.
Location NMF Shinjyuku Minamiguchi Bldg. 7F, 2-4-9 Yoyogi,
Shibuya-ku, Tokyo 151-0053 Japan
Established December 1998
President Ken Hasegawa
Business Fields System development, etc.




Company NameFLAME Hearts Co.,Ltd.
Daiwa Azabu Terrace Bldg.B1F,3-20-1 Minami Azabu, Minato-ku, Tokyo 106-0047, Japan
TEL +81-3-6866-7281
Established January 2016
President President&CEO Masanobu Hayashi
Business Fields Game development and CG content development
*On January 1, 2016, Premium Agency Inc., G&D Co., Ltd. and DIGITAL Hearts Visual Co., Ltd., have merged into a single company and changed its company name to FLAME Hearts Co.,Ltd.




Company NameDIGITAL Hearts (Shanghai) Co., Ltd.
LocationRm 203,Building21,No.958 ZhenbeiRoad,Putuo,Shanghai 200333,China
TEL +81-3-6406-0082 
EstablishedJuly 2016
President & CEOPresident Teppei Komiya
Business FieldsComprehensive Debugging Services, etc.


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