Impress Corporation
Impress Corporation is the publishing company behind periodical Digital Camera Magazine, books like the “Dekiru” series of computer tutorials (which has sold over 80 million copies), and MdN, a book brand specializing in design and graphics. It also produces and operates various media platforms such as Impress Watch, Japan’s most-visited IT related digital news platform, and corporate media platforms such as IT Leaders and the Online Shop Managers’ Forum.
Impress Corporation started out as a niche media company specializing in IT and computer publications. It continues to use its strengths in print and digital publishing and online media to its fullest advantage in its efforts to expand its specializations and provide comprehensive, multi-faceted information on diverse topics.
Business Activties:
Print and digital publication, internet media and services, business media, and solutions related to IT and computer
Tech Lib, Inc.
Established as a joint venture between Impress Corporation and Maruzen CHI Holdings Co., Ltd., Tech Lib, Inc. operates a subscription-based unlimited reading service dedicated to technical books for IT engineers.
For a flat monthly fee of 3,080 yen (tax included), users gain unlimited access to a growing library of over 400 titles, with around 10 new additions joining the catalog each week.
Business Activties:
Operation of subscription-based unlimited reading service for technical books
Rittor Music, Inc.
Rittor Music engages in the production and management of music-related media and content. Examples include Guitar Magazine, Sound & Recording Magazine and other specialty magazines and websites for music players and creators, music instrument instructional books, and other related digital publications, footage, and sound recordings.
The company also runs Ochanomizu RITTOR BASE, a multipurpose space in Ochanomizu, the musical instrument capital of Tokyo, and Digimart, Japan’s largest-scale online marketplace for musical instruments.
Yama-Kei Publishers Co., Ltd.
Yama-Kei Publishers publishes the Yama to Keikoku [Mountains and Valleys] monthly magazine along with other content and publications related to mountains and nature. It caters to the diverse demands of outdoor sports fans by providing magazine-books, online services, and events on a variety of topics such as camping and figure skating. It is also the company behind the popular Yama to Keikoku YouTube Channel and the Yamasuta app, which allows users to collect digital commemorative stamps upon reaching the summit of mountains based on GPS information.
Business Activties:
Print and digital publication, internet media and services, and solutions related to mountains and nature
Ikaros Publications, Ltd.
Ikaros Publications Ltd., the monthly magazine: Airline publisher, engages specialized books, magazines, and mooks on a variety of topics covering aviation, railway, military, rescue, and travel. Ikaros offers custom media products and corporate solutions on air, land and sea contents.
Business Activties:
Print and digital publication, school operation, and solutions related to aviation, railway, military, and rescue
ICE Inc.
ICE Inc. harnesses the content of partner companies and acts as a one-stop provider, from planning to IT system development and operations. In addition to the planning, development, and operation of digital manga websites and app services as well as digitization of manga, ICE launched the "pTa.shop" and "fabli" e-commerce business in January 2026, handling apparel and on-demand printing to further expand the scope of utilizing content assets. Furthermore, ICE actively promotes secondary uses such as manga adaptations through contracted manga production and publishes original light novels on a monthly basis under "Tenkaisha," its in-house digital imprint.
Business Activties:
Development and operation of digital platforms for partner companies such as publishers; media business such as digital-first publishing
Kindai Kagaku Sha Co., Ltd.
Specializing in math, mathematical science, information science, and information engineering, Kindai Kagaku Sha produces a broad variety of engineering and science-related publications that range from advanced academic reference books to foundational textbooks for university students. In recent years, it has adopted more systematic workflows for editing and production and expanded into e-book publication and on-demand printing. Through these, it hopes to realise sustainable publishing while solving the longstanding issue of technical books becoming out-of-print.
Business Activties:
Publication related to academic, engineering, and science
PUBFUN, Inc.
PUBFUN, Inc is Japan’s largest domestic POD company. Its runs the PUBFUN service, which provides POD commissioning and on-demand printing for corporate clients, as well as PUBFUN Self, which uses Amazon’s Print-On-Demand service to provides publication support for individual users.
Business Activties:
Print on demand services
Impress Digital Values, Inc.
Impress Digital Values helps its client companies draw up plans and strategies for data-driven marketing activities. It also provides the services required to build and operate e-commerce sites, websites, and owned media platforms, ranging from content planning and production to support for system creation and operation. Its projects include the online store for a major bookstore, fansites for an entertainment and production company, and a recruitment site.
Business Activties:
Development, building, and operation of e-commerce and member sites for client companies; commissioned web content production
IPG Network, Inc.
IPG Network, Inc. manages and operates the Impress Group’s cross-functional business infrastructure, which handles logistics, marketing, and other operations for the core content business centered on publishing and digital publishing. It also supports the Impress Group’s growth strategy by developing, introducing, and implementing group-wide service platforms that incorporate digital technologies. Furthermore, to expand the reach of the rich content produced by the Impress Group both domestically and internationally, the company drives international rights licensing and manages global sales. It aims to grow the overall rights business, including the utilization of IP for events and merchandising.
Business Activties:
Construction and utilization of shared business foundations between the Impress Group businesses