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Radar · High Tech in Chiyoda City

Best High Tech Companies in Chiyoda City, Japan

The 50 best High Tech companies in Chiyoda City, Japan in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Pixie Dust Technologies.

50companies tracked
$109.4Mdisclosed funding
0unicorns
24have raised
FLIAR INTELLIGENCE · HIGH TECH × CHIYODA CITY

Our analysis of 1,127 High Tech companies

$222.2b in tracked funding; 89% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.

1,127companies analysed
89%cloud-native stacks
2025funding peak (by rounds)
124unicorns
2018median founding year

Ranked: Best High Tech companies in Chiyoda City

#CompanyDisclosed fundingLast roundStageFounderTech stackEmployeesPatents & IP focusRecent signals
1Al Viewlife
Video surveillance solution
——Funding RaisedToru Yasukawa
CEO
——12 patents
Medical imaging and diagnostic information-processing devices and related software
—
2AssistPlus
Provider of IoT-based location tracking solutions
——UnfundedTiby Kuruvila
Founder & CEO
————
3Azira
AI based solution to read handwritten documents and forms
——DeadpooledDaisuke Kimura
CEO
————
4BES
NFT-based trading platform for esports
——UnfundedYoshikazu Kai
CEO
————
5Coconey
Provider of AR-based navigation solution
——DeadpooledYoshihiro Nozaki
CEO
————
6KAMONOHASHI
Platform providing optimization solution for ML models
——UnfundedShin Nishiura
Managing Director
————
7Konoru
Provider of IoT devices for hotel automation
——UnfundedTakaaki Mizota
CEO & President
————
8Lightblue
Platform offering human sensing and image analysis solutions
——Funding RaisedAtomu Sonoda
CEO
WordPressMySQLPHP+24———

Top 12 High Tech companies in Chiyoda City

#1
Series A · Chiyoda City, Tokyo · founded 2015 · 74 employees
$23.6Mraised
▾

Idein is a technology company that designs and develops machine learning models, applications, inference speed acceleration solutions, among others. Its chief offering is an IoT platform, also known as Atcast, which links events and data in the physical world to the web with deep learning inference on the edge devices. Partners include AJIS, DNP, TechShare, Oton Glass, Data Strategy, among others.

Funding rounds
  • Jul 2025Series A—
  • Aug 2019Series A$7.8M
  • Jul 2017Series A$15.8M
Founders & team
Yasuyuki YamadaCo-Founder & CTONakamura KoichiCo-Founder & CEO
Investors
Global Brain, DG Lab, Hakuhodo DY Ventures, Sony Innovation Fund, Sony Financial Holdings, DG Ventures
Tech stack
Amazon Web ServicesCdnjsCloudflareCloudflare Bot ManagementCore-JsFacebook Pixel
#2
Seed · Chiyoda City, Tokyo · founded 2023
$11.8Mraised
▾

Platform that provides translation and speech-to-text solutions. It is a developer of speech AI technologies, including translation and speech-to-text. It offers end-to-end voice translation, dubbing, voice cloning, and speech generation. The company develops high-speed ASR models and provides bilingual versions with end-to-end bidirectional voice-to-text translation.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 712 LinkedIn followers — 34.8% of this cohort's audience
Hiring: 3 hiring posts in 12 mo (public) · momentum +3 · hiring: Customer Success, Product Marketing
Activity: 2 partnerships (incl. Kotoba(AR)SABERA) announced in 12 mo
Funding rounds
  • Jun 2025Seed$11.8M
Founders & team
Noriyuki KojimaCO-Founder & CEO
Investors
Globis Capital Partners, Boostcapital, SIP Capital
Tech stack
FastlyFramer SitesGithub PagesGoogle AnalyticsGoogle Font ApiGoogle Workspace
#3
Seed · Chiyoda City, Tokyo · founded 2023
$1.8Mraised
▾

Developer of in-vehicle mixed reality systems designed to enhance travel. The platform combines real-world views with virtual objects through car windows. It delivers interactive experiences, such as augmented landmarks and animated scenes. The system provides entertainment and guidance for vehicle passengers.

Funding rounds
  • Oct 2025Seed$1.8M
  • May 2025Seed—
Founders & team
Rui SatoFounder & CEO / CTO
Investors
Albacross
#4
Series B · Chiyoda City, Tokyo · founded 2004 · 100 employees
$21Mraised
▾

Provider of GX solutions, energy trading, and renewable energy platforms. They offer solutions to accelerate decarbonization for regions and businesses. The company provides a platform for circulating renewable energy. It also shares information through its original media regarding carbon neutrality.

Funding rounds
  • Aug 2023Series B$21M
Founders & team
Tomokazu AkitaCEO
Investors
Mizuho Capital, DG Ventures, Energy & Environment Investment, ITV, IE, WM Partners
Tech stack
All In One SeoAmazon SesAmazon Web ServicesApache Http ServerCdnjsCloudflare
#5
Public · Chiyoda City, Tokyo · founded 2017 · 43 employees
$40.5Mraised
▾

Pixy Dust Technologies provides Hagen, a wave control technology. Hagen which is an ultrasonic phased array system can generate force in mid-air and transport information to users.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 678 LinkedIn followers — 33.2% of this cohort's audience
Hiring: 1 hiring post in 12 mo (public) · hiring: PxDT
Activity: 3 product launches · 1 partnerships (incl. FURSYS Inc.) announced in 12 mo
Funding rounds
  • Oct 2022Series C—
  • May 2019Series B$35M
  • Mar 2019Conventional Debt$9.1M
  • 2017Seed$5.5M
Founders & team
Yoichi OchiaiCo-Founder & CEOTakayuki HoshinoCo-Founder
Investors
Kansai Electric Power, INCJ, TOPPAN Group, Mizuho Bank, SMBC Venture Capital, Dai-Ichi Life
Tech stack
Amazon CloudfrontAmazon S3Amazon Web ServicesGoogle AnalyticsGoogle Tag ManagerGoogle Workspace
#6
Deadpooled · Chiyoda City, Tokyo · founded 2015
$1.9Mraised
▾

Provider of VR and AR platforms for multiple applications. It offers a VR platform to create virtual spaces and AR solutions for navigation and shopping. Its VR platform lets users visualize products and spaces virtually while the AR platform helps users to find locations, and engage in in-app activities while doing so.

Funding rounds
  • Jul 2022Seed$1.9M
  • Seed—
Founders & team
Yoshihiro NozakiCEO
Investors
MAGNA Investment, Bluepoint Games, DT Investment Partners, Mashup Angels, D.CAMP
#7
Series B · Chiyoda City, Tokyo · founded 2007 · 9 employees
$3.2Mraised
▾

Studio Ousia is developing a platform to improve customer targeting and recommendation using natural language processing. Its offerings include a QA Engine and a Semantic Kernel. QA Engine is a question answering system that automates customer helpdesks using deep learning algorithms while Semantic Kernel is an entity linking engine with multiple features including keyword extraction, ambiguity resolution, understanding, and classification of keywords. The products are available on a subscription basis as Free, Standard, and Premium Plan. Its platform partners include Zendesk, LINE, Transcosmos, and Mobilius. The company has won multiple awards for its products including NIPS 2017 Human-Computer Question Answering Competition, 2017, WSDM Cup 2017 Triple Scoring Task, 2017, and Shared Task in NAACL 2016 Workshop on Human-Computer QA, 2016. The company has been invested in by Samsung Ventures.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 88 LinkedIn followers — 4.3% of this cohort's audience
Hiring: 1 hiring post in 12 mo (public) · hiring: AILLM
Funding rounds
  • Feb 2017Series B$1.3M
  • Sep 2014Series A$1M
  • Feb 2012Series A$864K
Investors
Samsung Venture Investment, Nissay Capital, NID
#8
Series A · Chiyoda City, Tokyo · founded 2018 · 5 employees
$1.1Mraised
▾

QBIT Robotics provides a robotic cafe system. Robot "Tom" performs the main tasks in the cafe, such as attracting customers, serving customers, preparing and serving drinks, and cleaning drippers. The robot comes with an AI-based learning function will recognize facial expressions and behavior patterns, and will not forget to keep an eye on them. The robot will be loaded with the cafe machine operating method and customer service learned (programmed). In the case of the all-in-one package, all necessary equipment such as a robot and a robot controller, a cafe counter, a cafe machine, water, and electric equipment, and an order and settlement system are all set up.

Funding rounds
  • Jun 2019Series A$1.1M
  • Aug 2018Seed—
Founders & team
Shuichi HiroyaCo-Founder & CTO
Investors
Toyoda Gosei, Mobile Internet Capital
#9
Seed · Chiyoda City, Tokyo · founded 2015 · 3 employees
$923Kraised
▾

Inupathy has developed a wearable device that tells about the mental status of the dog by measuring heart rate variability. The colour and the light pattern on the device will show whether the dog is happy, excited, or relaxed. The device also collects the daily health data of the dog. All the data recorded by the device is stored on the cloud server. The app can be used to check the excitement and fun score of the dog. As of Dec 2016 the company is trying to raise money for the device on Indiegogo.

Funding rounds
  • Jul 2019Seed$923K
Founders & team
Joji YamaguchiCEO
Investors
Realtech Fund, Mistletoe, ABBALab
Tech stack
All In One SeoAmazon S3Amazon Web ServicesContact Form 7Core-JsFacebook Pixel
#10
Deadpooled · Chiyoda City, Tokyo · founded 2018 · 33 employees
$616.6Kraised
▾

Sweeep provides automated invoicing software for businesses. It features solutions for AI-based bill accounting and invoice processing. It is available for multiple subscriptions based on the number of invoices.

Funding rounds
  • Sep 2020Seed$616.6K
Investors
Anobaka, KLab Venture Partners
#11
Seed · Chiyoda City, Tokyo · founded 2010 · 50 employees
$1.3Mraised
▾

Interactive Solutions helps in sales engagement activities. It offers Interactive-Pro, which is a sales content management solution delivered in a tablet. It helps to manage all types of sales materials such as videos, PowerPoint, catalogues, and data sheets, using AI. It also automatically stores the history of individual sales activities. Moreover, when visiting a customer, it is possible to make a personalized story and generate a proposal. Primarily serves pharmaceutical companies and financial institutions.

Funding rounds
  • Nov 2014Seed$1.3M
Founders & team
Kiyoshi SekineCEO & President
Investors
JAFCO Group
Tech stack
Amazon CloudfrontAmazon S3Amazon SesAmazon Web ServicesApple Icloud MailCdnjs
#12
Series A · Chiyoda City, Tokyo · founded 2015
$1.2Mraised
▾

Developer of connected batteries designed to realize digital transformation in all types of businesses. The company offers batteries that can be installed into dry cell-powered products, enabling users to take control of the item using mobile via Bluetooth.

Funding rounds
  • Sep 2016Series A$1.2M
Founders & team
Okabe YoshihiroCEO
Investors
Nissay Capital, Mizuho Bank, Orange Fab Asia, Inclusion Japan
Tech stack
Amazon SesAmazon Web ServicesApache Http ServerBabelBootstrapContact Form 7

Funding & investor landscape

$109.4Mtotal disclosed funding
13companies funded
18disclosed rounds
0rounds last 90 days
Most active investors
Global Brain4 rounds
KDDI Open Innovation Fund3 rounds
Mizuho Capital3 rounds
Nippon Venture Capital3 rounds
DG Ventures2 rounds
Dip Corporation2 rounds
Drone Fund2 rounds
Mitsubishi UFJ Capital2 rounds
Mitsui Sumitomo Insurance Venture Capital2 rounds
Mizuho Bank2 rounds

Notable founders

Yasuyuki Yamada
Co-Founder & CTO · Idein
Nakamura Koichi
Co-Founder & CEO · Idein
Noriyuki Kojima
CO-Founder & CEO · Kotoba Technologies
Rui Sato
Founder & CEO / CTO · Dual Move
Tomokazu Akita
CEO · I-Grid
Yoichi Ochiai
Co-Founder & CEO · Pixie Dust Technologies
Takayuki Hoshino
Co-Founder · Pixie Dust Technologies
Yoshihiro Nozaki
CEO · BeBridge
Shuichi Hiroya
Co-Founder & CTO · QBIT Robotics
Joji Yamaguchi
CEO · Inupathy
Kiyoshi Sekine
CEO & President · Interactive Solutions
Okabe Yoshihiro
CEO · Novars
Prism market signals · Japan · country-scoped Prism corpus, 6,581 docs

Market landscape — 10 sub-themes by coverage

Share of High Tech coverage by sub-theme.

Regulatory-risk over time rising

Funding & growth over time

funding rising · growth rising

RESEARCH SIGNALS · Japan

How research on Semiconductors is moving in Japan

A read on the academic research around Semiconductors — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 1,980 Japan-affiliated papers.

research sentiment over time
200820172026
enthusiastic · positive · guarded tone
Tone is overwhelmingly optimistic and intensifying — the enthusiastic (strongly-positive) share moved 47% → 54% across 2008–2026.
top research entities
  • The University of Tokyo157
  • Tohoku University139
  • National Institute of Advanced Industrial Science and Technology133
  • Tokyo Institute of Technology78
  • Kyoto University62
leading researchers
Takafumi Fukushima · Masaki Hashizume · Hiroyuki Yotsuyanagi · Makoto Nagata · Nozomu Togawa · Masao Yanagisawa · Tetsu Tanaka · Hideo Fujiwara
▲ Breakthroughs666 · 34%
▲ 32%→39% share
▲1.2× share momentum1 median citations37% since 2021mostly methods-led
Breakthroughs are rising (32%→39% of field), led by Pixel.
rising sub-themes (early→recent)
  • Pixel4→14
  • Power (physics)7→15
  • Artificial neural network1→8
  • Scalability4→9
  • Neuromorphic engineering3→8
Newly emergingMicrostrip 0→7 · Heterojunction 0→5
Landmark Three-dimensional monolithic integration in flexible printed organic transistors · 276 cites
◆ Advancements921 · 47%
▼ 47%→44% share
▼0.9× share momentum2 median citations31% since 2021mostly methods-led
Advancements are cooling (47%→44% of field), led by Terahertz radiation.
rising sub-themes (early→recent)
  • Terahertz radiation1→8
  • Laser2→9
  • Fabrication13→18
  • Power consumption1→6
  • Transceiver1→6
Newly emergingLogic gate 0→6
Landmark Three-dimensional silicon integration · 487 cites
▼ Concerns146 · 7%
▼ 8%→7% share
▼0.9× share momentum1 median citations31% since 2021mostly empirical
Concerns are cooling (8%→7% of field), led by Thermal.
rising sub-themes (early→recent)
  • Thermal1→5
  • Power (physics)4→6
  • Integrated circuit packaging2→4
Landmark Material science and device physics in SiC technology for high-voltage power devices · 1,090 cites
RESEARCH HOTSPOTS · Japan

Where semiconductors is researched across Japan

Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.

Tokyo400 · +0.58
Hot · PhotonicsAdvancing · Scan chainOpportunity · Electrical conductorConcern · Reliability (semiconductor)
Tsukuba178 · +0.58
Hot · DiamondAdvancing · Ball grid arrayOpportunity · Annealing (glass)
Sendai145 · +0.61
Hot · WaferAdvancing · ResonatorOpportunity · ChaoticConcern · Three-dimensional integrated circuit
Kyoto94 · +0.49
Hot · Process variationAdvancing · Standard cellOpportunity · Image sensorConcern · Schottky diode
Nagoya75 · +0.51
Hot · Magnetic flux quantumAdvancing · Rapid single flux quantumOpportunity · Wafer
Fukuoka65 · +0.46
Hot · Circuit breakerAdvancing · Annealing (glass)Opportunity · Electronic circuitConcern · Power (physics)
Kobe49 · +0.51
Hot · Noise (video)Advancing · Information leakageOpportunity · Flip chipConcern · Chip
Osaka33 · +0.59
Hot · Terahertz radiationAdvancing · SpintronicsOpportunity · Electronic circuit
Sapporo13 · +0.46
Hot · Electronic circuitOpportunity · Neuromorphic engineering
PATENT SIGNAL · Japan

Who's filing semiconductors patents in Japan

Japan semiconductors patent filing is cooling — 116,542 filings from 8,000 assignees (2016–2025), led by Tokyo Electron, Semiconductor Energy LAB, Toshiba KK; annual filings 12324→7504.

116,542 filings8,000 assigneespeak 13823/yr2016–2025
filing momentum (YoY 2016–2025)
top patent filers
  • Tokyo Electron13690
  • Semiconductor Energy LAB12640
  • Toshiba KK7124
  • SONY4620
  • Renesas Electronics4418
  • Canon KK4280
  • FUJI Electric3799
  • Mitsubishi Electric3691

Common questions

How many High Tech companies are there in Chiyoda City, Japan?
Radar tracks 50 indexable High Tech companies headquartered in Chiyoda City, Japan that meet our profile-completeness bar.
What is the total funding raised by High Tech companies in Chiyoda City, Japan?
The High Tech companies in Chiyoda City, Japan on this list have raised a combined $109.4M in disclosed equity funding across 13 funded companies.
Which is the highest-funded High Tech company in Chiyoda City, Japan?
Pixie Dust Technologies is the highest-funded High Tech company in Chiyoda City, Japan, with $40.5M in disclosed equity funding.
How many High Tech companies in Chiyoda City, Japan are funded?
13 of the 50 High Tech companies in Chiyoda City, Japan on this list have disclosed at least one equity funding round.
How many High Tech unicorns are there in Chiyoda City, Japan?
None of the High Tech companies in Chiyoda City, Japan on this list currently has a disclosed valuation of $1B or more.
Who are the top investors in Chiyoda City, Japan High Tech companies?
The most active investors in Chiyoda City, Japan High Tech companies on this list include Global Brain, KDDI Open Innovation Fund, Mizuho Capital, Nippon Venture Capital, DG Ventures.
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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