1. Introduction
ITO Technologies, Inc. (hereinafter referred to as “we,” “us,” or “our”) considers the protection of users’ personal information and related data to be a critical responsibility in providing the data analysis service “EasySheet” (hereinafter referred to as the “Service”).
This Privacy Policy sets forth how we collect, use, store, and share information in connection with the Service.
Language Notice
This English version of the Privacy Policy is provided for convenience and reference purposes only. In the event of any discrepancy or inconsistency between this English version and the original Japanese version, the Japanese version shall prevail.
2. Information We Collect
In providing the Service, we may collect the following information:
- Email address, username, and profile image
- Authentication and authorization information
- Queries entered by users (prompts)
- Files uploaded by users and their metadata (column names, data types, number of rows and columns, statistical information, file name, size, extension, etc.)
- Technical information such as access logs, IP address, user agent, and error logs
3. Purpose of Use
We use the collected information for the following purposes:
- Provision and operation of the Service
- User authentication, account creation, and login management
- Data analysis processing and generation of analysis results
- Improvement of service quality and troubleshooting
- Security measures and prevention of fraudulent activities
- Pre-registration and waitlist management, and sending notifications
4. Use of Subprocessors
EasySheet uses third-party subprocessors to provide the Service, customer support, and advanced data processing features. When selecting subprocessors, EasySheet evaluates their privacy, security, and confidentiality practices and enters into appropriate contractual agreements to impose necessary obligations.
Advanced Data Processing and Analysis Features
To provide advanced data processing, analysis, and certain features of the Service, we use the following providers:
| Provider Name | Purpose of Processing |
|---|---|
| OpenAI | Advanced data processing, analysis, and feature provision using AI models |
| Google LLC (Gemini) | Advanced data processing, analysis, and feature provision using AI models |
Service Provision and Hosting
To ensure stable delivery of the Service and secure storage of customer data, we use the following providers:
| Provider Name | Purpose of Processing |
|---|---|
| Amazon Web Services, Inc. (AWS) | Secure data storage (hosting) and server infrastructure |
| Google Cloud Platform (GCP) | User authentication, account creation, secure login, and identity verification |
Service Quality Improvement and Monitoring
To improve service quality, monitor errors, and enhance performance, we use the following providers:
| Provider Name | Information Provided | Purpose of Use | Retention Period |
|---|---|---|---|
| LangSmith (LangChain) |
|
| 7 days |
| Sentry |
|
| 30–90 days depending on data type |
5. Use of Data for AI Training
We do not use user-entered prompts or uploaded data for the purpose of training AI models.
6. Security Measures
We implement technical and organizational security measures to prevent unauthorized access, loss, destruction, alteration, or leakage of collected information.
7. User Rights
Users may request disclosure, correction, or deletion of their personal information. To exercise these rights, please contact us using the information below.
8. Changes to This Privacy Policy
We may revise this Privacy Policy without prior notice in response to changes in laws, regulations, or service content.
9. Contact Information
ITO Technologies Co., Ltd.
7th Floor, Mizunobu Building
1-11-1 Kitasaiwai, Nishi-ku
Yokohama, Kanagawa, Japan
Email: support@ito-technologies.com
Last Updated: February 10, 2026