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Radar · Telecom Operators in Tokyo

Best Telecom Operators Companies in Tokyo, Japan

The 40 best Telecom Operators companies in Tokyo, Japan in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Japan Telecom.

40companies tracked
$2Bdisclosed funding
0unicorns
6have raised
FLIAR INTELLIGENCE · TELECOM OPERATORS × TOKYO

Our analysis of 50 Telecom Operators companies

$110.6b in tracked funding; 98% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.

50companies analysed
98%cloud-native stacks
2025funding peak (by rounds)
1unicorns
2011median founding year

Ranked: Best Telecom Operators companies in Tokyo

#CompanyDisclosed fundingLast roundStageFounderFoundedApp-install YoYPatents & IP focusRecent signals
1Japan Telecom
Fixed-line and mobile communication services provider
$1.8B328 mo agoAcquiredMasayoshi Son
Founder & CEO
1981———
2Aruteria Networks
Fixed-line telecommunications services provider
$150M141 mo agoPublic—1997———
3UQ Communications
WiMAX mobile services provider
$43M206 mo agoSeries ATakashi Tanaka
President & CEO
2007+19%47 patents
Hardware encryption devices and data management system technologies for secure information processing
—
4IVRy
Provider of interactive voice response systems and AI conversation services to enhance business efficiency
$19M9 mo agoSeries DRyoga Okunishi
Founder & CEO
2020———
5Mepple
Provider of internet services
$3M33 mo agoSeries AYuki Suzuki
CEO
2018———
6Telework Technologies
Provider of wireless internet services
$383K45 mo agoSeedKenjiro Araki
CEO & Director
2020———
7KDDI
Provider of process transformational services
$60K223 mo agoPublicMakoto Takahashi
President & CEO
1984+18%—1 award
8SoftBank
Provider of mobile internet services
—113 mo agoSeries AMasayoshi Son
Founder & Co-CEO
1986+21%1,652 patents
Advanced base station control and wireless network optimization technologies
—

Top 8 Telecom Operators companies in Tokyo

#1
Series D · Tokyo, Tokyo · founded 2020
$19.2Mraised
▾

IVRy is a provider of IVR (Interactive Voice Response) systems and AI dialogue systems to streamline business operations. They offer services such as automated responses, SMS replies, call forwarding, and recording functions. Their goal is to utilize AI and software to increase business efficiency.

Funding rounds
  • Nov 2025Series D$26.1M
  • May 2024Series C$19.2M
Founders & team
Ryoga OkunishiFounder & CEO
Investors
ALL STAR SAAS FUND, Sumitomo Mitsui Banking Corporation, Bricks Fund Tokyo, Boost Capital, Coral Capital, Japan Investment Corporation
Tech stack
Ad EbisAmazon CloudfrontAmazon S3Amazon SesAmazon Web ServicesChakra Ui
#2
Acquired · Chuo City, Tokyo · founded 1981
$1.8Braised
▾

Fixed-line and mobile communication services provider

Founders & team
Masayoshi SonFounder & CEO
Investors
BT Group, AT&T
#3
Series A · Shibuya, Tokyo · founded 2018
$2.7Mraised
▾

Provider of internet services

Funding rounds
  • Nov 2023Series A$1.3M
  • Aug 2021Seed$1.4M
  • Dec 2020Seed—
  • Angel—
Founders & team
Yuki SuzukiCEO
Investors
Colopl Next, Saison Capital, T&D Innovation, Mitsubishi UFJ Capital, W Fund
#4
Public · Minato City, Tokyo · founded 1997 · 829 employees
$150Mraised
▾

Arteria Networks is a provider of telecommunications, data communication in Japan. It provides services through fiber cable networks. Its other services include leased circuit (Ethernet) access, intranet/VPN, cloud access, data center, IP telephone/fixed telephone, and security/network monitoring solutions. It also provides various solution equipment engineering and installation services.

Investors
248 Growth Partners, CVC, Unison Partners
Tech stack
Amazon Web ServicesApache Http ServerApolloApple Icloud MailCore-JsEnvoy
#5
Series A · Minato City, Tokyo · founded 2007 · 511 employees
$43Mraised
▾

UQ Communications was started by KDDI and five other companies as a telecommunications carrier providing broadband wireless access (BWA) services. It provides WiMAX mobile services. UQ provides various WiMAX devices such like USB dongles, WiMAX Wi-Fi routers (portable model / home-use model), WiMAX embedded laptops and smartphones. It also promotes M2M WiMAX adoption to digital signage, vending machines, surveillance cameras and many other business applications. Their key stakeholders are, KDDI corporation, Intel Capital Corporation, East Japan Railway Company, kyocera Corporation, Daiwa Securities Group Inc., and The Bank of Tokyo-Mitsubishi UFJ, Ltd.

Funding rounds
  • Jun 2009Series A$43M
Founders & team
Takashi TanakaPresident & CEO
Investors
Intel Capital
Tech stack
Ab TastyAmazon CloudfrontAmazon Web ServicesApache Http ServerAstroCart Functionality
#6
Seed · Tokyo, Tokyo · founded 2020
$382.7Kraised
▾

Provider of wireless internet services

Funding rounds
  • Nov 2022Seed$382.7K
Founders & team
Kenjiro ArakiCEO & Director
Investors
Gaiax, Spring Star Capital
#7
Public · Minato, Tokyo · founded 1984 · 31834 employees
$60Kraised
▾

In 2022, the company recorded annual revenues of $42.7B and a net profit of $4.95B.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 25k LinkedIn followers — 74.5% of this cohort's audience
Activity: 1 awards announced in 12 mo
Funding rounds
  • Jan 2008Grant (prize money)$60K
Founders & team
Kentaro MatsuuraPresident & CEOMakoto KadowakiExecutive OfficerHirohito TanakaExecutive Officer
Investors
United States Department of Agriculture, Toyota, Triodos Investment Management
Tech stack
Ad EbisAdobe AnalyticsAdobe Audience ManagerAdobe Client Data LayerAdobe Experience ManagerAdobe Experience Platform Identity Service
#8
Series A · Tokyo, Tokyo · founded 1986
—raised
▾

SoftBank is a Japanese technology conglomerate that provides a range of services, including mobile telecommunications, internet, and fixed-line telecommunications. The company also offers various lifestyle services, including energy management, robotics, and online banking. With a strong focus on innovation, SoftBank is committed to leveraging its proprietary knowledge and data to create value through robotics and other technologies globally.

Founders & team
Masayoshi SonFounder & Co-CEOJunichi MiyakawaCo-CEO
Investors
Yahoo Japan, Red Badge Management

Funding & investor landscape

$2Btotal disclosed funding
7companies funded
7disclosed rounds
0rounds last 90 days
Most active investors
Colopl Next2 rounds
Mobile Internet Capital2 rounds
248 Growth Partners1 rounds
ALL STAR SAAS FUND1 rounds
AT&T1 rounds
Advantage Partners1 rounds
BRICKS FUND TOKYO Fund No 11 rounds
BT Group1 rounds
Boost Capital1 rounds
Bricks Fund Tokyo1 rounds

Notable founders

Ryoga Okunishi
Founder & CEO · IVRy
Masayoshi Son
Founder & CEO · Japan Telecom
Yuki Suzuki
CEO · Mepple
Takashi Tanaka
President & CEO · UQ Communications
Kenjiro Araki
CEO & Director · Telework Technologies
Kentaro Matsuura
President & CEO · KDDI
Makoto Kadowaki
Executive Officer · KDDI
Junichi Miyakawa
Co-CEO · SoftBank
Prism market signals · Japan · country-scoped Prism corpus, 2,028,585 docs

Market landscape — 10 sub-themes by coverage

Share of Telecom Operators coverage by sub-theme.

Regulatory-risk over time rising

Funding & growth over time

funding rising · growth rising

RESEARCH IN TOKYO · Networking & Security

How research on 5G 6G in Tokyo is moving

A read on the academic research around 5G 6G in Tokyo — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 246 papers.

246 papers · stance +0.65 · 32% breakthrough · 2% concern
breakthrough · advancement · concern
top institutions
  • Tokyo Institute of Technology82
  • The University of Tokyo63
  • Tokyo University of Science44
  • Tokyo Metropolitan University38
  • Tokyo University of Agriculture and Technology16
leading researchers
Kenichi Higuchi · Shinya Sugiura · Kazuki Maruta · Norio Tagawa · Jian Pang · Nobuhide Nonaka
prism intelligence · tone & topics
89% positive · 4% critical tone
TelecommunicationsComputer ScienceElectronicsNetworkingMathematicsMachine Learning
▲ Breakthroughs77 · 31%
▲ 17%→33% share
▲1.9× share momentum5 median citations57% since 2021mostly methods-led
Breakthroughs are rising (17%→33% of field), led by Beamforming.
rising sub-themes (early→recent)
  • Beamforming3→29
  • MIMO5→13
  • Electronic engineering2→8
  • Relay2→7
  • Transmitter1→5
Newly emergingPhased array 0→6 · Transmission (telecommunications) 0→5 · Channel (broadcasting) 0→5
Landmark A CMOS Dual-Polarized Phased-Array Beamformer Utilizing Cross-Polarization Leakage Cancellation for 5G MIMO Systems · 92 cites
◆ Advancements157 · 64%
▼ 75%→62% share
▼0.8× share momentum2 median citations52% since 2021mostly methods-led
Advancements are cooling (75%→62% of field), led by Beamforming.
rising sub-themes (early→recent)
  • Beamforming19→63
  • Phased array1→11
  • Channel (broadcasting)1→8
  • Transmission (telecommunications)2→7
  • Telecommunications link3→8
Newly emergingSpectral density 0→4 · Firmware 0→4 · Power (physics) 0→4
Landmark Non-Orthogonal Access with Random Beamforming and Intra-Beam SIC for Cellular MIMO Downlink · 213 cites
▼ Concerns6 · 2%
▲ 0%→3% share
0 median citations67% since 2021mostly empirical
Concerns are rising (0%→3% of field), led by Beamforming.
rising sub-themes (early→recent)
  • Beamforming5
  • Antenna (radio)2
  • Beam (structure)1
  • Beam steering1
  • Beam search1
Newly emergingBeamforming 0→3
Landmark Characterization of Human Body Shadowing in Measured Millimeter-wave Indoor Channels · 5 cites

Common questions

How many Telecom Operators companies are there in Tokyo, Japan?
Radar tracks 40 indexable Telecom Operators companies headquartered in Tokyo, Japan that meet our profile-completeness bar.
What is the total funding raised by Telecom Operators companies in Tokyo, Japan?
The Telecom Operators companies in Tokyo, Japan on this list have raised a combined $2B in disclosed equity funding across 7 funded companies.
Which is the highest-funded Telecom Operators company in Tokyo, Japan?
Japan Telecom is the highest-funded Telecom Operators company in Tokyo, Japan, with $1.8B in disclosed equity funding.
How many Telecom Operators companies in Tokyo, Japan are funded?
7 of the 40 Telecom Operators companies in Tokyo, Japan on this list have disclosed at least one equity funding round.
How many Telecom Operators unicorns are there in Tokyo, Japan?
None of the Telecom Operators companies in Tokyo, Japan on this list currently has a disclosed valuation of $1B or more.
Who are the top investors in Tokyo, Japan Telecom Operators companies?
The most active investors in Tokyo, Japan Telecom Operators companies on this list include Colopl Next, Mobile Internet Capital, 248 Growth Partners, ALL STAR SAAS FUND, AT&T.
Rohit KhannaTrends & Stories

Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.

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