ZAIZEN

What ZAIZEN does

ZAIZEN Co., Ltd. is a Tokyo-headquartered Japanese ICT company founded in 2003 (originally as Cubic Co., Ltd., rebranded to ZAIZEN in July 2016) that builds digital solutions centered on AI-driven emotional analysis and personality reproduction. The company's technical core consists of three proprietary engines: the EPA (Emotion Prediction Analysis) Algorithm Engine, which applies deep learning to unstructured voice data to predict emotions and behavior patterns; the P3C Engine, which dynamically adapts a reproduced persona's behavior based on the conversational counterpart; and Personality Reverse, a multimodal personal AI that reproduces faces, voice color, and personality for therapeutic and reception applications. These power commercial products including the Nobunaga AI and Mitsuhide AI historical figure dialogue services, the Frontalk reception AI for corporate lobbies, and the Connected Platform IP-phone consultation service that historically reached over 1.7 million users.

The company operates a diversified multi-product business spanning B2B platform licensing, consumer mobile apps, IoT hardware, subscription services, and physical goods. Consumer offerings include the Circle Toys subscription for indoor children's play equipment (distributed nationally through six Japanese employee benefit platforms including Benefit Station, Perk, and WELBOX), the ZOOO office productivity platform (ILUCA seat management and CUCKOO whiteboard), the TRAIN TECH IoT railway model controller ecosystem with VR integration via resaVR, the NOBLE Japanese-made body care brand, and a portfolio of freemium mobile games under the Pochioku prize-winning series. Revenue is generated through monthly subscriptions, freemium in-app purchases, B2B platform licensing, hardware sales, and direct e-commerce, with pricing denominated primarily in yen (Circle Toys ¥3,980-¥9,980/month; ZOOO ¥500/user/month).

ZAIZEN maintains a wholly-owned US R&D subsidiary (ZAIZEN USA LABO INC., established 2017 in Silicon Valley's Plug and Play), acquired AI gaming firm UNB Corporation in 2019, and holds multiple domestic subsidiaries (Inspi, Cielo, Spica, Pixy). The company is privately held, founder/management-controlled with 51-100 employees and registered capital of ¥43 million, and has secured certifications including JIS Q 15001 Privacy Mark (2018), Business Continuity Strength (2024), Health Management Silver (2024), and Kurumin childcare support (2026).

Name

ZAIZEN

Legal name

株式会社ZAIZEN (ZAIZEN Co., Ltd.)

Website

https://zaizen.jp

Company type

Private

Founded year

2003

Operating status

Operating

Headcount range

51–100 employees

Short description

ZAIZEN is a Tokyo-based Japanese ICT company (founded 2003) that develops proprietary AI for emotion prediction (EPA Algorithm Engine) and persona reproduction (Personality Reverse), and operates a diversified portfolio spanning B2B AI licensing, the Circle Toys children's equipment subscription, ZOOO office SaaS, mobile games, IoT railway hardware, and the NOBLE body care brand.

Ownership category

akta.pro rank

Product category

AI Software Platforms

NAICS

Custom Computer Programming Services (541511), Software Publishers (5132), Broadcasting and Content Providers (516)

SIC

Services-Computer Programming Services (7371)

akta.pro primary industry

Emotion, Sentiment & Paralinguistic Intelligence (HDAAAFAI)

akta.pro secondary industries

Conversational AI Platforms (chat/voice bots, orchestration) (HDAAAFAC), VR/XR Hardware & Accessories (Headsets, Controllers, Trackers, Haptics) (MPAFAGAG), XR/AR/VR/MR Development Frameworks & Toolchains (MPAFAFAF)

Keywords

• Emotion prediction analytics
• Personal AI replication
• AI consultation platform
• Digital healing solutions
• AI reception systems

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B and B2C

Offering type

Software

Cost components

Personnel, Technology or R&D, Marketing or Sales, Operations, Supply Chain, Infrastructure

Revenue model

1. Subscription Services: Monthly subscription services for consumers including Circle Toys (indoor play equipment rental) and ZOOO office platform, providing recurring revenue.
2. Hardware Sales: Sale of TRAIN TECH MFC (Multi-Function Controller) railway model control devices and accessories.
3. Freemium with In-App Purchases: Free mobile apps with in-app purchases for additional features, levels, or virtual items. Includes puzzle games, diary apps, and creative tools.
4. B2B Platform Licensing: Licensing of proprietary platforms and AI solutions to enterprise clients including Personality Reverse for reception systems and AI matching services.
5. BtoB Consumer Resource Planning: Providing proprietary platforms to enterprises including consultation services and platform development.
6. E-commerce: Direct sales of lifestyle products including NOBLE body care line through official online store my favo.

Pricing tiers

Go-to-market motion4 records

Distribution channels6 records

Marketing channels6 records

Core offering

ZAIZEN develops AI-based digital solutions centered on emotion analysis and persona reproduction. Core offerings include the EPA Algorithm Engine for predicting emotions from voice data, Personality Reverse for recreating personal AI personas from facial expression, personality, and voice data, and Connected Platform for IP-phone-based consultation services with AI matching. The company also licenses B2B consumer resource planning platforms to enterprises and operates consumer products including TRAIN TECH IoT railway controllers, resaVR streaming, Circle Toys subscription service, and ZOOO office productivity platform.

Product overview

ZAIZEN offers a diverse portfolio of digital solutions centered on 'digital healing' and AI technologies. Core offerings include the EPA Algorithm Engine for emotion prediction from voice data, Personality Reverse for personal AI persona recreation, and Connected Platform for consultation services. The company operates B2B platform licensing and IoT products including TRAIN TECH railway control systems with VR integration. Consumer products span a ポチッ得 prize-winning game app series, Circle Toys subscription service, and various mobile applications for health, education, and entertainment. Recent expansion includes office productivity platform ZOOO and lifestyle brand NOBLE.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• Connected service membership exceeded 1.7 million users
• +1 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability9 records

Feature6 records

Partnerships

15 partnerships are on record, tiered minor, major and core.

• 小田急電鉄 ONE Platform (Odakyu ONE)minorChannel Partner/ Reseller/ Distributor · 1 November 2022Circle Toys available through regional service platform ONE for Odakyu line users in Kanagawa area.
• ベネフィット・ステーション (Benefit Station)majorChannel Partner/ Reseller/ Distributor · 5 September 2022Circle Toys offered as employee benefit through Japan's largest benefit platform with 15,611 companies and ~11.26 million members.
• WELBOX (株式会社イーウェル)majorChannel Partner/ Reseller/ Distributor · 10 August 2022Circle Toys offered as employee benefit through package-type benefit service WELBOX.
• きのこらぼ (Kinoko Labo)minorStrategic or Co-development Partner · 8 July 2022Collaboration on health content featuring mushroom-based recipes and gut health advice integrated into the constipation tracking app.
• ライフサポート俱楽部 (Life Support Club)minorChannel Partner/ Reseller/ Distributor · 24 June 2022Circle Toys offered as preferential menu in Life Support Club employee benefit service.
• SOKUDAN (CAMELORS)minorChannel Partner/ Reseller/ Distributor · 14 March 2022Circle Toys available through side-job matching platform for remote workers and freelancers.
• Perk (ウォンテッドリー)majorChannel Partner/ Reseller/ Distributor · 10 February 2022Circle Toys offered as employee benefit through Perk platform serving companies using Wantedly business SNS.
• 明智継承会 (Akechi Keishokai)coreTechnology or Integration · 25 December 2019Provides Mitsuhide AI service to the organization for historical education and tourism promotion using Personality Reverse technology.
• 株式会社アンバランス (UNB Corporation)coreStrategic or Co-development Partner · 31 May 2019Acquired as subsidiary to integrate UNB's AI gaming technology (intelligence Board) with ZAIZEN's EPA Algorithm Engine for new services.
• 名古屋工業大学 (Nagoya Institute of Technology)coreStrategic or Co-development Partner · 28 June 2018Joint research with Tokuda Laboratory (Prof. Tokuda Keiichi) on voice synthesis technology to enhance Personality Reverse dialogue system performance.
• 筑波大学 (University of Tsukuba)coreStrategic or Co-development Partner · 1 December 2017Joint R&D on emotion prediction analysis using EPA Algorithm Engine for voice data analysis and compatibility diagnosis between two parties.
• 響総合律师事务所 (Hibiki General Law Office)minorOthers · 1 July 2016External legal counsel providing legal advisory services.
• 律师事务所アルシエン (Law Office Arc-en-ciel)minorOthers · 1 July 2016External legal counsel providing legal advisory services.
• 三井住友銀行 (Sumitomo Mitsui Banking)minorOthers · 1 July 2016Primary transaction bank for corporate banking services.
• 三菱UFJ銀行 (MUFG Bank)minorOthers · 1 July 2016Secondary transaction bank for corporate banking services.

Scale indicators6 records

Recent moves8 records

Expansion highlights6 records

Emerging players

• Replika: AI companion chatbot that creates personalized conversational personas. Comparable as a personality-reproduction / personal AI service that overlaps with ZAIZEN's Personality Reverse value proposition.
• Character.AI: Consumer AI platform for conversing with AI characters and historical personas. Comparable to ZAIZEN's Kakuto Talk historical-figure AI in bringing fictional or historical personas to life for entertainment and education.

Broad incumbents

• Cerence Inc. Major voice AI and conversational AI platform focused on automotive and IoT. Comparable as a broader incumbent in conversational/voice AI where ZAIZEN's Personality Reverse and EPA overlap.
• SoftBank Robotics: Japan-based humanoid robotics company (Pepper) embedding emotion recognition and conversational AI. Comparable in deploying emotion-aware AI in customer-facing roles, similar to ZAIZEN's Frontalk reception use case.

Direct peers

• PKSHA Technology: Japanese AI software company providing NLP and machine learning platforms for enterprise customers. Comparable as a Japanese-headquartered AI business serving enterprise clients with proprietary algorithms and recurring licensing.
• Hume AI: Voice-based emotion AI company whose technology measures expressive and emotional signals from voice. Comparable to ZAIZEN's EPA Algorithm Engine as a direct competitor in voice-driven paralinguistic / emotion AI.
• Affectiva (Smart Eye): Emotion-recognition AI company now part of Smart Eye, specializing in facial and vocal emotion analysis. Comparable as a specialist emotion-AI vendor pursuing enterprise applications across automotive, research, and media.
• AI inside Inc. Japanese AI platform company offering computer vision and OCR AI products to enterprises. Comparable as a Japan-based AI vendor selling proprietary algorithms through B2B licensing with a focus on operationalizing AI for business users.
• Realeyes: Emotion AI company using computer vision and machine learning to measure audience attention and emotion. Comparable to ZAIZEN's EPA/P3C work in emotion analytics for enterprise and consumer applications.

Regional players

• freee K.K. Japan-focused cloud SaaS provider for SMBs (HR, accounting, ERP). Comparable as a Japanese B2B SaaS targeting SMEs with subscription pricing, similar to ZAIZEN's ZOOO office platform positioning.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks5 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/c/ZAIZEN
• LinkedInlinkedin.com/company/zaizen-co.-ltd

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries6 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about ZAIZEN