J-Stream Inc. has been providing various information dissemination and content delivery methods as a leading company in internet video streaming since its establishment in 1997.
Founded in 1997
Establishment of Real Stream Inc. (Capital 480 million yen, Head Office: 7-5-47 Akasaka, Minato-ku, Tokyo)
Established Real-Stream Inc. (capital stock 480 million yen, headquarters at 7-5-47 Akasaka, Minato-ku, Tokyo)
Changed trade name to J-Stream Inc.
Started live streaming service.
On-demand streaming service launch
Relocated headquarters to 6-3-18 Akasaka, Minato-ku, Tokyo
Official support for Windows Media and QuickTime begins
Started voice streaming service for mobile phones
Listed on the Mothers Market of the Tokyo Stock Exchange
Changed trade name to J-Stream Inc.
Established Onkyo Corporation and consolidated subsidiary CO3 Inc.
Acquired shares of Flex International Inc. (now Crossco Inc.), making it an equity-method affiliate (became a consolidated subsidiary in April 2009)
Established consolidated subsidiary BASIS PLANET Inc.
Acquired shares of Index Next Inc., making it a consolidated subsidiary (later renamed UpAros Inc., dissolved at the end of March 2017)
Relocated headquarters to 5-6, Shiba 2-chome, Minato-ku, Tokyo
Launched video platform service "J-Stream Equipmedia"
Merged consolidated subsidiaries Bandwagon Inc. and BASIS PLANET Inc., and renamed the new company J-Creative Works Inc.
Merged subsidiary Bandwagon Inc. and BASIS PLANET Inc., and renamed the new company J-Creative Works Inc.
Implemented a 1-for-100 stock split, changing to 100 shares per unit
Established R&D base "J-Stream Fukuoka Lab"
Achieved No.1 market share in the domestic online video distribution system market (according to Digital Infact survey)
Released new CDN service "J-Stream CDNext"
J Stream Co., Ltd. will sponsor and speak at the HR Conference 2026 Autumn, held from November 18 to 26, 2026. The theme is "Why Mid-Career Hires Fail to Retain? Overcoming Onboarding Barriers and Building an Information Infrastructure," and it will introduce practical approaches to address challenges such as early turnover after joining and the personalization of information sharing.
J Stream Co., Ltd. and its group company Inocos will jointly showcase solutions that seamlessly connect equipment to OTT delivery at Inter BEE 2026, held from November 18 to 20, 2026. They will also introduce a real‑time subtitle generation demo using AI and the ultra‑low‑latency live streaming service LiveZync, proposing technologies and services for broadcasters and streaming operators.
JStream has begun offering a new voice setting, the Expression-Priority Mode, in its EQ Presentation Cloud, which generates and distributes narrated videos from documents. Alongside the existing Accuracy-Priority Mode, users can choose the level of expressiveness versus precision of the narration based on the scene.
J Stream Co., Ltd. will exhibit at the internal business DX EXPO (Hall 6, Booth A27-16) of "Japan DX & AX Week [Autumn] 2026" held at Makuhari Messe from October 21 to 23, 2026. We propose business standardization and information sharing efficiency through video utilization delivered via an authentication portal by creating explanatory videos with AI. The booth will showcase AI-generated video demos and examples of usage in explanatory tasks, internal training, and information sharing.
VideoStep, a subsidiary of JStream, opened a branch at STATION Ai in Nagoya City to strengthen support for customers in the Tokai region. It supports talent development, technology transfer, and standardization of operations at manufacturing sites, and assists regional customers from implementation to utilization and adoption of VideoStep.
JStream Inc. will exhibit at the FIT2026 International Financial Information Technology Exhibition held on October 15-16, 2026 at the Tokyo International Forum. At booth EA35 in Hall E, we will propose workflow improvements for the financial industry using video generation and authentication-based portals, and showcase AI video generation demos and use cases. Additionally, we plan to deliver a web-exclusive seminar titled 'Standardizing the Quality of Explanation Work through Video AX'.
J Stream's consolidated subsidiary Big MZ and overseas literature service have formed a business partnership, and will provide the "AI Persona Physician & Content Utilization Support Service" to pharmaceutical companies' product marketing departments starting from October 2026. This solution builds and utilizes a conversational AI agent that models a physician persona, supporting the analysis of MR interview records, formulation of product strategies, and creation of materials.
J-Stream Corporation added ACME (Automated Certificate Management Environment) integration to its CDN service "J-Stream CDNext," automating the acquisition, renewal, and revocation of SSL/TLS server certificates. This allows customers to continue using ACME-compatible certificate authorities while centrally managing certificate management and CDN operations on CDNext.
J-Stream Inc. will exhibit at the 26th General Affairs, HR, and Accounting Week Tokyo, held at Tokyo Big Sight from September 16 to 18, 2026. At booth 28-12 in the Work Style Reform Expo (South Halls 3 and 4), it will propose ways to address challenges with internal policies, application rules, and expense reimbursement. The company will show how video generation tools and authenticated portal sites can streamline training and informational content and reduce inquiries, including AI video generation demos and use cases.
The Chita Peninsula General Medical Organization uses VideoStep for patient explanations and other hospital needs. It is currently used in rehabilitation and nutrition management, with plans to expand it to ward nurses.