| CHANNEL GINGA CO.,LTD. | Content production, creator management and brand sales activities in digital media |
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| Discovery Japan. | Programming business specializing in documentaries |
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| GREAPE ONE LTD. | Wireless service platform operator for Local 5G and Regional BWA(Broadband Wireless Access), research, development, manufacturing, operation, maintenance, sales and rental of various terminals and base stations, Telecommunications business as defined in the Telecommunications Business Law |
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| JCOM CO., LTD. | CATV operation and telecommunication business throughmanagement of CATV operators, Program supplying business for CATV operators and digital satellite broadcast |
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| J SPORTS CORPORATION | Supplier of sports programming |
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| Jupiter Entertainment Co., Ltd. | Operation of movie programming "Movie Plus" and women's entertainment programming "LaLa TV" |
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| JUPITER SHOP CHANNEL CO., LTD. | Management of direct marketing business centered around Shop Channel, which conducts correspondence sales via CATV |
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| SC DIGITAL CO., LTD. | Operation management and investment activities in digital media |
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| SCSK CORPORATION | Software development, information processing service, communication network service, sales of package software as well as software and hardware, SI service and others, and BPO |
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| SHARING DESIGN INC. | Providing 5G-centered base station sharing services to mobile communications carriers |
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| SUMISHO VENTURE PARTNERS, INC. | CVC Portfolio Management, ICT related business development with Portfolio, ICT related investment, Fund investment |
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| T-GAIA CORPORATION | Selling cellular phones and serving as an official dealer for cellular phones, Providing communication solutions services mainly to companies and serving as an intermediate for fixed-line communication services, Settlement service and other new businesses |
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