Alphabetical order
In Japan
A
A-Sketch Inc.
A-Sketch is a joint investment between KDDI and AMUSE Inc. With its core presence based in mobile phone technology, it uses this technology to engage in music label activities such as music delivery, recording, and music management activities. A-Sketch also handles new artist head-hunting through technology like social network services (SNS) and is actively involved in developing new music services using mobile phones and computers.
3rd Floor, NINOMIYA Building, 18-4, Sakuragaoka-cho, Shibuya-ku, Tokyo 150-0031
au Insurance Company, Limited
Jointly established by KDDI and Aioi Nissay Dowa Insurance, au Insurance Company Limited (au Insurance) is an unprecedented and totally new concept in non-life insurance companies. By offering a lineup of non-life insurance products that meet customers' lifestyles as part of au mobile contents, customers can join "easily anywhere, anytime" and the company can provide "instant, reliable" insurances services in an emergency.
5th Floor, Nissay Ebisu Building, 3-16-3, Higashi, Shibuya-ku, Tokyo 150-0011
B
booklista Co., Ltd
booklista builds open platforms for services related to book content sales, including collection, digitalization and management of book contents, customer identification and billing systems, and promotional activities.
4st Floor, SKI Building, 2-5-27, Akasaka, Minato-ku,Tokyo 107-0052
C
Chubu Telecommunications Co., Inc.
Chubu Telecommunications (CTC) is a regional communications carrier that develops FTTH and corporate oriented network services in the five Chubu area prefectures. It provides high quality and extremely reliable communications services with an original optical fiber network.
1-8-8 Nishiki, Naka-ku, Nagoya-shi, Aichi Prefecture 460-0003
J
JAPAN CABLENET LIMITED (JCN)
JAPAN CABLENET is a company that controls and operates cable television stations mainly in the metropolitan area. In its role as a production group in the digital age, it fulfills the needs of the era, engages in technological innovation, and actively develops new types of businesses for cable television. Together with its cable television station partners, it advances the supply of services like digital broadcasting, cable television Internet, and telephony, the improvement of service quality, and the supply of efficient services that make full use of scale merits.
1st Floor, METLIFE Kabutocho Building, 5-1 Nihonbashi Kabutocho, Chuo-ku, Tokyo 103-0026
Japan Internet Exchange Co., Ltd.
JPIX is a company that operates the first commercial IX in Japan - a highly reliable IX compatible with rapidly increasing Internet traffic. IX (Internet eXchange) exchanges traffic mutually connected by Internet service providers (ISP) and contents service providers (CSP) who create the major portion of Internet networks, and as such it plays an incredibly important role in the efficient expansion of Internet networks and maintenance of transmission quality.
19th Floor, KDDI Otemachi Building, 1-8-1 Otemachi, Chiyoda-ku, Tokyo 100-0004
Japan Network Enabler Corporation (JPNE)
Japan Network Enabler Corporation (JPNE) is a wholesale supplier that distributes IPv6 network infrastructure to Internet Service Providers (ISPs).
Sharing backbone network among multiple ISPs enables them to offer low-cost and high-quality service efficiently to their customers.
- We offer widely connected and valuable network to our customers for deploying IPv6 Internet in Japan -
21th Floor KDDI Otemachi Building, 1-8-1 Otemachi, Chiyoda-ku, Tokyo 100-0004
Japan Telecommunication Engineering Service Co., Ltd.
As a member of KDDI Group, the comprehensive information and communications enterprise, we at J-TES contribute to the creation of a plentiful society from both the communications and distribution angles through optical fiber nationwide network and ETC facility maintenance, management, and engineering.
4th Floor, KDDI Building Annex, 2-3-3 Nishi-Shinjuku, Shinjuku-ku, Tokyo, 163-8528
Jibun Bank Corporation
Established by au and Tokyo-Mitsubishi UFJ, Jibun Bank is a totally new kind of bank that uses mobile phones as the main point of contact with its customers. Exclusively servicing customers with the corresponding functionality built into their mobile phone allows it to actualize both convenient service and high security. Anyone can use it conveniently and securely, anytime, anyplace.
6th Floor, Shinjuku Oak Tower, 6-8-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo 163-6006
Jupiter Telecommunications Co., Ltd. (J:COM)
Jupiter Telecommunications (J:COM) is the largest Multiple System Operator (MSO) in Japan. Its cable television sector provides cable TV, high-speed Internet, telephone and other services mainly to the Kanto and Kansai areas, and through affiliations, to Sapporo, Sendai, and the Kyushu area. Its program distribution sector manages premium channels viewable through cable TV and direct-broadcast satellite, and is involved in film production and distribution, video content distribution, and more.
Marunouchi Trust Tower North, 1-8-1 Marunouchi, Chiyoda-ku, Tokyo 100-0005
K
KDDI & BT Global Solutions Corporation
In order to fulfill the diversified needs of globally expanding customers, KDDI & BT Global Solutions offers "ICT Solutions" combining assorted services centered on network management in a one-stop environment.
1st Floor, SN Building, 3-18-3 Kiba, Koto-ku, Tokyo 135-0042
KDDI Challenged Corporation
As one of the KDDI measures towards diversity, KDDI Challenged was established to promote the employment of disabled individuals.
It provides a stable working environment that considers the various needs of disabled individuals, offers a work life with motivation and a sense of purpose, and strives for an expansion of employment opportunities.
Garden Air Tower, 3-10-10 Iidabashi, Chiyoda-ku, Tokyo 102-8460
KDDI Engineering Corporation
KDDI Engineering Corporation handles the KDDI core technology related to all KDDI communications services, including communication facility construction, initial line installation work and maintenance. In addition, the company has been extending its business to constructions, inspections, and renewal work of base station facilities, technician dispatch services and more.
Sumitomo Fudosan Nishi-Shinjuku Building No.4, 4-33-4 Nishi-Shinjuku, Shinjuku-ku, Tokyo 160-0023
KDDI Evolva Inc.
KDDI Evolva engages in high quality human resources business for communications strategies by maximizing the overall power of the global enterprise known as the KDDI Group as a major backbone.
Shinjuku First West, 1-23-7 Nishi-Shinjuku, Shinjuku-ku, Tokyo 160-0023
KDDI Foundation
KDDI Foundation is designed to contribute to the harmonious and healthy worldwide development and the advancement of society, the economy, and culture through ICT. It was founded in October 2009 to this end. In addition to engaging in an assortment of research themes pertaining to ICT, the Foundation is involved in activities such as giving assistance and support to NPOs active inside and outside of Japan as well as foreign students, overseas training, technological donations, and projects aiming at the alleviation of the digital divide.
Garden Air Tower, 3-10-10 Iidabashi, Chiyoda-ku, Tokyo 102-8460
KDDI MATOMETE OFFICE CORPORATION
In addition to sale of and support for "KDDI Matomete Office," a membership program targeting small and medium-sized companies that supports their overall IT environment, from telecommunication services, SaaS and other cloud services to supply of telecommunication and OA equipment, "KDDI Matomete Office Corporation" is a one-stop provider of human resource solutions, including business services that take full advantage of KDDI's human resource services, training courses and employment.
ORIX Real Estate Nishi Shinjuku Building, 1-20-1, Nishi-Shinjuku, Shinjuku-ku, Tokyo 160-0023
KDDI R&D Laboratories Inc.
KDDI R&D Laboratories is helping to usher in an era of FMBC, a convergence of fixed and mobile communications and broadcasting services. To this purpose, it engages in the research and development of world-leading information and communications technology, from high quality/high capacity transmission technology to cutting edge application technology.
2-1-15 Ohara, Fujimino-shi, Saitama Prefecture 356-8502
KDDI Research Institute, Inc.
As a specialist think-tank in the information and communications arena, KDDI Research Institute is engaged in information gathering and analysis as well as surveying and research for a widespread domain centering on marketing pertaining to information and communications such as IT, mobile technology, broadband, and the Internet, system policy and the newest industry trends inside and outside of Japan.
Garden Air Tower, 3-10-10 Iidabashi, Chiyoda-ku, Tokyo 102-8460
KDDI Technology Corporation (KTEC)
Platforms, applications... KTEC continues to build the most central core area supporting au mobile phones. "Ambitious For Technology"
KTEC is carving out the future for mobile phones.
17th Floor, Shinagawa East One Tower, 2-16-1 Konan, Minato-ku, Tokyo 108-0075
KDDI Web Communications Inc.
KDDI Web Communications has been providing services as a hosting specialist since 1997. Under the principle of "Internet server technology operatable within the realm of home-electronics," its soaring customer satisfaction with great user friendliness and a cancellation rate of under 1% is garnering devotion from a wide user base, including businesses from the SoHo level to global foreign backed companies and cutting edge IT companies listed in the first section market as well as organizations like government and municipal offices.
Sumitomo Fudousan Kojimachi Building No. 3, 3-6 Kojimachi, Chiyoda-ku, Tokyo, 102-0083
KOKUSAI CABLE SHIP Co., Ltd. (KCS)
KCS owns two cable ships and is engaged in submarine cable construction, maintenance, and landing work as well as ocean surveying and an assortment of consulting services. With technological power at the world's highest standard, it is a leading company active in Asia and the Pacific region.
17th Floor, Shinagawa East One Tower, 2-16-1 Konan, Minato-ku, Tokyo 108-0075
Kokusai Denshin Denwa Kyosaikai (KDDI Kyosaikai)
KDDI Kyosaikai operates mutual aid and lifestyle support for KDDI Group members. It also contributes to society as a member of KDDI Group through public interest activities, such as offering mobile phone lessons.
3-10-10 Iidabashi, Chiyoda-ku, Tokyo 102-8460
KYOCERA COMMUNICATION SYSTEMS Co., Ltd.
KYOCERA COMMUNICATION SYSTEMS was founded in September 1995. It is engaged in ICT business focusing on supplying comprehensive services traversing the arenas of information systems and network systems and communications engineering business focusing on the construction and maintenance of communications infrastructure.
c/o Kyocera Head Office Building, 6 Takeda Tobadono-cho, Fushimi-ku, Kyoto 612-8450
M
mediba inc.
mediba develops advertising for "au one" focusing on the planning and development of the portal website "au one," a website that combines au mobile phones and computers. With "au one" as a central axis, it provides assorted services that support the enterprise's marketing activities via the supply of solutions that comprehensively apply the functionality of au mobile phones.
31th Floor, Shibuya Hikarie, 2-21-1 Shibuya, Shibuya-ku, Tokyo 150-8510
Mobaoku Co., Ltd.
Mobaoku Co., Ltd. is a joint investment between KDDI and DeNA Co., Ltd. It plans and operates auction services centering on mobile phone users. "au one Mobaoku," a business collaboration with KDDI and "Mobaoku," which is geared towards users of other mobile phone carriers, aim to actualize both a convenience that makes full use of features unique to mobile phones and service that a wide array of customers can enjoy in a safe environment.
Shinjuku Midwest Building, 4-30-3 Yoyogi, Shibuya-ku, Tokyo, 151-0053
O
OKINAWA CELLULAR TELEPHONE COMPANY
As a member of the KDDI Group, OKINAWA CELLULAR TELEPHONE COMPANY engages in providing au mobile telephone services in the Okinawa Prefecture region.
Okinawa Cellular will continue to provide ever better customer satisfaction and dedicated, community-based service.
4th Floor, Ryukyu Lease Sogo Building, 1-7-1 Kumoji, Naha-shi, Okinawa Prefecture 900-8540
Okinawa Telecommunication Network Co., Inc. (OTNet)
Okinawa Telecommunication Network Co., Inc. (OTNet) is a regional telecommunications carrier that provides dedicated corporate services, FTTH access and ISP services using our own optical fiber network which covers the whole of Okinawa. As a locally-based telecommunications carrier, we will be your optimal partner, supporting your information and telecommunication strategies through telecommunications services of the highest quality and reliability.
4F KDDI Naha Bldg., 4-1 Higashi-machi, Naha, Okinawa 900-0034
T
TEPCO OPTICAL NETWORK ENGINEERING INC.
TEPCO OPTICAL NETWORK ENGINEERING INC. is a company that smoothly and efficiently supports the FTTH enterprise (HIKARI one) propelled by KDDI CORPORATION and The Tokyo Electric Power Company, Incorporated.
8th Floor, Koishikawa-Daikoku Building, 1-3-25 Koishikawa, Bunkyo-ku, Tokyo 112-0002
U
UQ Communications Inc.
UQ Communications is creating an environment that will let anyone access broadband at any terminal, anywhere, anytime via a mobile WiMAX network. In cooperation with companies in an assorted range of businesses and industries, it aims to create new markets and provide services that will make customer lifestyles more convenient and plentiful.
18th Floor, Shinagawa East One Tower, 2-16-1 Konan, Minato-ku, Tokyo 108-0075
W
WebMoney Corporation
We offer value-added "safe and convenient Internet lifestyle solutions" through the issue and sale of WebMoney server-based electronic money and electronic payment services for online e-commerce transactions.
10th Floor, Sumitomo Hamamatsuchou Building, 1-18-16 Hamamatsuchou, Minato-ku, Tokyo 105-0013
Wire & Wireless Co., Ltd. (Wi2)
Telecommunications carrier Wire & Wireless Co., Ltd. (Wi2) provides 'Wi2 300' public wireless LAN services accessible from Wi-Fi (wireless LAN) enabled devices such as laptop computers, tablet computers and smartphones. We offer one of the largest service areas in Japan with approximately 13,000 locations in the roaming area as well as our own areas including Marunouchi (Tokyo), Yokohama and airport limousines.
4th Floor, Daiwa Ginza Building, 6-2-1, Ginza, Chuou-ku, Tokyo 104-0061
