Registered address
Mast Core Lab · 1-23-4 Minatomirai, Nishi-ku, Yokohama 220-0012, Japan
Legal
Privacy Policy
Last updated: 18 July 2026
Mast Core Lab operates this website to describe its advisory services and to allow prospective clients to make contact. This policy explains what personal information we may collect, why we collect it, how it is used and how long it is kept. It also sets out the choices available to you.
We do not sell personal data. We do not use it for purposes beyond those stated here. If something is unclear, please write to us at info@mast-corelab.com and we will respond promptly.
1. Data we collect and how
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Contact form submissions
When you complete the contact form, we collect your name, email address and the content of your message. This is the primary way personal data enters our systems.
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Analytics and usage data
If you consent to analytics cookies, we receive aggregate data about how pages are used — page views, session duration, device type. This is collected through browser cookies. No individual visitor profiles are built.
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Cookies and local storage
This site uses cookies for functionality and, with consent, for analytics and personalisation. Your cookie preferences are saved in your browser's local storage. See our Cookie Policy for full details.
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Legal basis for processing
Contact form data is processed on the basis of legitimate interest (responding to an enquiry you initiated) and, where applicable, consent. Analytics data is processed only where consent has been given.
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Retention periods
Enquiry correspondence is retained for up to 24 months unless an engagement begins, in which case records are kept for seven years in accordance with standard business practice. Analytics data is aggregate and not retained in identifiable form.
2. How we use personal data
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Responding to enquiries
The primary use of contact form data is to reply to your message and, if appropriate, continue a conversation about a potential engagement. Nothing else.
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Website improvement
Aggregate analytics data helps us understand which parts of the site are useful and which are not. No individual is identified in this process.
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Marketing communications
We do not send marketing emails. If that were ever to change, we would seek explicit consent first and include an unsubscribe mechanism in every communication.
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Third-party sharing
Personal data is not sold or shared with third parties for their own commercial purposes. Where third-party tools are used (e.g. analytics platforms), they receive only the data necessary for the specified function.
3. How we protect your data
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Transmission security
This website is served over HTTPS. Data submitted through forms is encrypted in transit.
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Access controls
Access to stored enquiry data is limited to people with a specific need to see it. We do not maintain shared inboxes with broad access.
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Breach procedures
If a data breach occurs that is likely to affect your rights, we will notify you and, where required, the relevant authority without undue delay.
4. Your rights
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Right of access
You may request a copy of any personal data we hold about you at any time.
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Right to rectification
If any data we hold is inaccurate, you may ask us to correct it.
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Right to erasure
You may ask us to delete personal data we hold, subject to any legal obligation to retain records.
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Right to data portability
Where applicable, you may request that data be transferred to another organisation in a commonly used format.
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Right to object
You may object to processing carried out on the basis of legitimate interest. We will consider your objection and respond in writing.
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Exercising your rights
To exercise any of the above rights, write to us at info@mast-corelab.com or use the contact form. We will respond within 30 days.
5. Your rights and opt-out instructions
You are not required to provide any personal information when using this website. If you prefer not to share your data, you may:
- Avoid filling out contact forms, account registrations, or any data-submitting features.
- Disable cookies through your browser settings (see our Cookie Policy for more details).
- Contact us directly to request the deletion of any previously shared personal data.
We respect your privacy choices. If you would like us to delete your data, please reach out to us at the contact details provided on our Contact page. We will process your request promptly.
This policy may be updated from time to time. When changes are material, the updated date at the top of this page will reflect the revision. Continued use of the website after a change constitutes acceptance of the updated policy.