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The Latest Milestone for JTOWER's Indoor Infrastructure Initiatives

As of March 2026, JTOWER, a leader in infrastructure sharing solutions, has achieved a significant milestone with a total of 841 installations across Japan. This figure represents a 123% increase compared to the same period last year. The impressive growth demonstrates the increasing demand for enhanced indoor communication environments as businesses and facilities continue to adapt to the latest technologies.

Broadening Adoption Across Various Facilities

Between January and March of 2026, the company saw continued adoption of its solutions across a diverse range of facilities, including office buildings, commercial spaces, hotels, hospitals, and arenas. Notably, during the fiscal year 2025 (April 2025 to March 2026), JTOWER focused heavily on replacing existing 4G equipment with shared infrastructure during upgrades. This emphasis on replacing outdated systems has propelled the advancement of infrastructure sharing in upscale facilities across Japan.

According to Shigeyoshi Yamamoto, Executive Officer at JTOWER, the company has responded to the new demands from mobile carriers since 2023, leading to an increased emphasis on improving the indoor network environments of large facilities. The transition to infrastructure sharing marks a critical shift in how telecom networks are managed and utilized.

Historical Growth and Future Goals

Since launching its commercial indoor infrastructure sharing solution in 2014, JTOWER has consistently expanded its installation base, with successes across various facility types, including commercial buildings and hospitals. The company completed the development of shared equipment compatible with 5G in 2020, which further enhanced its capacity for growth and solidified its market position.

Moving forward, JTOWER aims to leverage its extensive experience as a pioneer in infrastructure sharing to contribute to more efficient network infrastructure development. The demand for such solutions continues to grow, driven by the need for improved communication in large indoor spaces.

Understanding Infrastructure Sharing

Infrastructure sharing allows multiple mobile carriers to jointly utilize network equipment instead of each company building its own systems independently. This approach drastically reduces costs related to equipment, operation, and maintenance, making the overall network setup more efficient. Additionally, it helps minimize environmental impacts by reducing energy consumption, materials used, and construction frequency.

Benefits of Indoor Infrastructure Sharing Solutions

For large buildings exceeding 10,000 square meters, the demand for effective mobile signal management is critical. By applying infrastructure sharing in these settings, real estate operators can benefit from space savings, reduced electricity costs, and streamlined processes. Mobile carriers experience lower capital and operational expenses, while users enjoy improved communication environments, ultimately enhancing user satisfaction.

Examples of Installed Facilities

Some notable installations of JTOWER’s solutions include:

• - Office Buildings: Otemachi One, Shibuya Sakura Stage, Azabudai Hills Mori JP Tower
• - Commercial Facilities: Aeon Group locations, MIYASHITA PARK, Mitsui Shopping Park LaLaport Anjo
• - Medical Facilities: Ehime Prefectural Niihama Hospital, Toranomon Hospital, Maebashi Red Cross Hospital
• - Logistics Facilities: X Frontier, Prologis Park Inagawa 1
• - Arenas and Stadiums: Edion Peace Wing Hiroshima, LaLa Arena Tokyo-Bay, GLION ARENA KOBE
• - Administrative Facilities: Tokyo Metropolitan Government, Tokushima Prefectural Office, Gifu Prefectural Office, Aichi Prefectural Police Headquarters

For more details on other installed facilities, visit JTOWER Case Studies.

About JTOWER

Founded in June 2012, JTOWER was Japan's first infrastructure-sharing company. Alongside its indoor sharing solutions, the company has expanded its operational scope to include outdoor tower sharing in suburban and rural areas, as well as multifunctional poles in urban centers. With a vision of delivering cutting-edge infrastructure sharing from Japan to the world, JTOWER is committed to providing a range of forward-thinking services.

• - Founded: June 2012
• - Headquarters: 2-2-3 Minami Aoyama, Minato-ku, Tokyo
• - CEO: Atsushi Tanaka
• - Website: JTOWER Official Site

JTOWER is actively hiring talented individuals eager to contribute to our business initiatives. For application details, visit Hiring Information.