Top Telecommunication Equipment Manufacturers in Japan
This directory features the leading telecommunication equipment manufacturers operating in Japan, offering trusted and up-to-date information to help businesses find reliable providers quickly. These companies specialize in advanced telecommunication hardware and network solutions, ensuring efficient communication infrastructure across Japan including Tokyo, Osaka, and other major cities.
- Nippon Telegraph and Telephone Corporation (NTT) – With over 50 years in telecommunication equipment manufacturing, NTT specializes in network infrastructure, optical fiber technology, and next-gen 5G equipment. Renowned globally for innovation and reliability, NTT supports Japan’s major communication networks.
Website: www.ntt.com
Contact: +81-3-6838-5111
Address: 9-1 Marunouchi 1-chome, Chiyoda-ku, Tokyo 100-8116, Japan - Fujitsu Limited – Fujitsu manufactures telecom equipment including 5G infrastructure, optical networking systems, and data communication devices. With decades of expertise and multiple technology awards, Fujitsu drives advancements in telecommunications across Japan and worldwide.
Website: www.fujitsu.com
Contact: +81-3-6734-2010
Address: 1-1, Kamikodanaka 4-chome, Nakahara-ku, Kawasaki, Kanagawa 211-8588, Japan - NEC Corporation – NEC provides a wide range of telecom equipment such as base stations for mobile networks, optical transmission devices, and IoT communication solutions. Known for pioneering green energy telecommunication tech, NEC serves both domestic and international markets.
Website: www.nec.com
Contact: +81-3-3798-6511
Address: 7-1, Shiba 5-chome, Minato-ku, Tokyo 108-8001, Japan - Sumitomo Electric Industries, Ltd. – Specializing in fiber optic cables and communication wiring solutions, Sumitomo Electric supplies telecommunication infrastructure components with quality certifications and global reach. Operating over 100 years, they focus on sustainable connectivity solutions.
Website: www.sei.co.jp
Contact: +81-6-6220-4141
Address: 5-33 Kitahama 4-chome, Chuo-ku, Osaka 541-0041, Japan - Advanced Telecommunications Research Institute International (ATR) – ATR develops telecommunication hardware focusing on advanced network protocols and communication systems, facilitating innovative research-commercialization partnerships in Tokyo’s tech district.
Website: www.atr.jp
Contact: +81-774-95-2000
Address: 2-2-2 Hikaridai, Keihanna Science City, Kyoto 619-0288, Japan - Alaxala Networks Corporation – Established in Tokyo, Alaxala designs and manufactures network switches, routers, and telecommunication equipment with high reliability for enterprise and telecom operators. Their products are well-rated for performance in Japanese telecom markets.
Website: www.alaxala.com
Contact: +81-3-6369-3111
Address: 2-1-2 Hitotsubashi, Chiyoda-ku, Tokyo 100-0003, Japan - Yokogawa Electric Corporation – Yokogawa develops communication interfaces and control systems for telecommunication industries, focusing on low-latency, high-precision networking equipment with over 100 years experience. Known for industrial telecommunications technology solutions.
Website: www.yokogawa.com
Contact: +81-422-52-5550
Address: 9-32, Nakacho, Musashino-shi, Tokyo 180-8750, Japan - Mitsubishi Electric Corporation – A major manufacturer of telecom network devices including microwave transmission and satellite communication equipment, Mitsubishi Electric has over 90 years servicing Japan’s telecom infrastructure with certified and innovative solutions.
Website: www.mitsubishielectric.com
Contact: +81-3-3218-2111
Address: 2-3-1 Wakunaka, Chiyoda-ku, Tokyo 100-8310, Japan - Hitachi, Ltd. – Hitachi manufactures telecommunication equipment ranging from network infrastructure hardware to IoT-enabled telecommunication devices, integrating cutting-edge technology to serve Japan’s evolving telecom market for over 100 years.
Website: www.hitachi.com
Contact: +81-3-3258-1111
Address: Marunouchi 1-6-6, Chiyoda-ku, Tokyo 100-8280, Japan - Toshiba Corporation – Toshiba offers telecommunication equipment solutions focusing on optical communication systems, network infrastructure, and smart communication devices. Their innovations support Japan’s telecom operators with efficient and sustainable technologies.
Website: www.toshiba.co.jp
Contact: +81-3-3457-4511
Address: 1-1 Shibaura 1-chome, Minato-ku, Tokyo 105-8001, Japan - Infinova Japan – Specializing in telecommunication hardware such as IP network cameras and wireless communication devices, Infinova Japan serves the security and telecom sectors with quality products backed by solid customer reviews and technical certifications.
Website: www.infinova.co.jp
Contact: +81-3-6402-8090
Address: 2-13-10 Kamiosaki, Shinagawa-ku, Tokyo 141-0021, Japan - Kyocera Corporation – Kyocera specializes in manufacturing telecommunication ceramic components and solar-powered telecom equipment, contributing to sustainable and advanced communication technologies in Japan for over 60 years.
Website: global.kyocera.com
Contact: +81-75-604-3500
Address: 6 Takeda Tobadono-cho, Fushimi-ku, Kyoto 612-8501, Japan - Sumitomo Electric Networks, Inc. – A subsidiary of Sumitomo Electric Industries, specializing in manufacturing telecommunications cable and connectivity products, serving Japan’s major telecom operators with high-quality, certified components for over 40 years.
Website: www.senec.co.jp
Contact: +81-6-6220-5050
Address: 5-6-3 Kitahama, Chuo-ku, Osaka 541-0041, Japan - Advantest Corporation – Advantest manufactures test equipment critical for telecommunication device development and quality assurance, supporting Japan’s telecommunication manufacturing industry with instrumentation solutions trusted globally.
Website: www.advantest.com
Contact: +81-3-5618-3500
Address: 3-9-1, Toyosu, Koto-ku, Tokyo 135-0061, Japan - Ricoh Company, Ltd. – Besides office imaging products, Ricoh produces communication equipment including network devices and teleconferencing hardware, contributing to Japan’s telecom infrastructure modernization with eco-friendly technology.
Website: www.ricoh.com
Contact: +81-3-6278-5220
Address: 25-1, Minami-Azabu 3-chome, Minato-ku, Tokyo 106-8551, Japan - Oki Electric Industry Co., Ltd. – Oki manufactures telecommunication equipment such as VoIP systems, network switches, and cloud communication devices with over 130 years of expertise, widely used in Japan’s telecom sectors and data centers.
Website: www.oki.com
Contact: +81-3-3501-3836
Address: 5-10-22 Shiba, Minato-ku, Tokyo 108-8001, Japan - Panasonic Corporation – Panasonic produces telecommunication equipment including business communication systems and networking devices, with decades of market presence and ISO-certified manufacturing plants in Japan’s Osaka and Tokyo regions.
Website: www.panasonic.com
Contact: +81-6-6908-1121
Address: 1006, Oaza Kadoma, Kadoma-shi, Osaka 571-8501, Japan - Sumitomo Electric Device Innovations, Inc. – Focused on manufacturing semiconductor devices and communication modules, the company enhances Japan’s telecommunication equipment with reliable components certified for high-speed telecommunication networks.
Website: www.sedi.co.jp
Contact: +81-572-24-7171
Address: 1-1-1 Sakae-cho, Himeji City, Hyogo 670-0977, Japan - Sawaki Corporation – Sawaki specializes in telecommunication cable manufacturing with certifications ensuring quality and durability, serving Japan’s Tokyo metropolitan and Kansai regional telecom markets for over 60 years.
Website: www.sawaki.co.jp
Contact: +81-3-3451-2231
Address: 3-26-1 Minami-Oi, Shinagawa-ku, Tokyo 140-0013, Japan - Sumitomo Wiring Systems, Ltd. – Producing wiring harnesses and communication network cables primarily for mobile and enterprise telecommunication needs, this company has a long-standing history with manufacturing facilities across Japan.
Website: www.sws.co.jp
Contact: +81-3-6758-7000
Address: 6-2, Kanda-Sudacho, Chiyoda-ku, Tokyo 101-0041, Japan - ERICSSON Japan Communications K.K. – Subsidiary of Ericsson, offering telecommunication manufacturing and network equipment solutions focusing on 4G/5G infrastructure, delivering cutting-edge equipment trusted by Japan’s leading network operators.
Website: www.ericsson.com/en/our-company/office-locations/japan
Contact: +81-3-6435-5700
Address: Shinjuku Nomura Bldg, 1-26-2 Nishi-Shinjuku, Shinjuku-ku, Tokyo 163-0530, Japan - NGK Insulators, Ltd. – NGK produces insulating materials and high-performance components aimed at telecommunication equipment, supporting Japan’s fiber optic and wireless communication sectors with durable and certified hardware.
Website: www.ngk.co.jp
Contact: +81-52-872-7171
Address: 1-12-1 Higashisakura, Higashi-ku, Nagoya 461-8673, Japan - Sumco Corporation – Sumco manufactures semiconductor wafers and communication-related silicon components, essential for telecommunication device production, with a reputation for quality and Japanese manufacturing standards.
Website: www.sumcosi.com
Contact: +81-3-3580-7380
Address: 2-3-2 Marunouchi, Chiyoda-ku, Tokyo 100-0005, Japan
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