Cookie Policy

1. Use of cookies

NGK Insulators, Ltd. (“NGK”) uses cookies to collect certain information on the Website ( This policy explains the handling of that information. For information on the handling and transfer of personal information, please see the privacy policy.

2. Definition: Cookie(s)

The term cookie(s) refers to a small text file containing data sent from a website and saved on a visitor’s device, whether computer, smartphone, or tablet. The file allows the website to recognize the visitor’s device.

This website uses three types of cookies. The first of them “ngkck” is the first-party cookie used to obtain information needed to receive the visitor’s consent to the use of cookies. The second “Google Analytics” is the first-party cookie sent by the provider of the software used by NGK to analyze use of its websites. The third “DBFocus” is the third-party cookie sent by Symphony Marketing Co., Ltd. used to analyze website use by Customers. These cookies allow us to determine how many times a device has visited a website.

As described in Section 4 below, visitors can disable cookie functionality via their browser settings.

3. Purpose of Cookies

This website contains pages that collect access logs to verify the validity of user accounts, verify users’ login status, and improve users’ experience of this website and services. In order for NGK to provide websites, email, messages, and advertising tailored to Customer needs, it uses tools on access to this website in the form of cookies, web beacons, which it may match with personal information held by NGK. This website uses the following tools for this purpose:

1) ngkck

Tool provider: NGK Insulators, Ltd.
Type of cookie: First-party cookie
Valid period: Two years from the date of issuance.
When a visitor visits this website, he or she will be prompted as shown on the screen to consent to this Cookie Policy. If the user clicks “Yes, I agree,” this cookie will be sent from the website and saved on the visitor’s device. The cookie serves as a marker for the visit. The notice will not appear the next time the consenting visitor visits the website.

2) Google Analytics

Tool provider: Google Inc.
Type of cookie: First-party cookie
Google Analytics terms of service
Google privacy policy
Google Analytics analyzes how visitors use the website (e.g., access, traffic, routing) using cookies. Google Analytics does not store any information that can be used to identify specific individuals. For more information, please see HOW GOOGLE USES INFORMATION FROM SITES OR APPS THAT USE OUR SERVICES.

3) DBFocus

Tool provider: Symphony Marketing Co., Ltd.
Type of cookie: Third-party cookie
DBFocus is the marketing outsourcing service provided by Symphony Marketing Co., Ltd. DBFocus uses cookies to analyze website used by Customers (including nature of access, traffic, and routings). NGK receives the outcomes of the analysis from Symphony Marketing and uses those outcomes to understand usage by Customers.

4. How to disable cookies

1) Disabling all cookies

Cookies saved on user devices are retained until the user deletes them or they expire. Most browsers accept cookies by default; you can disable this functionality by changing your browser settings.

See the following links for more information on changing the cookie settings in your browser:
Google Chrome
Microsoft Edge
Mozilla Firefox

2) Disabling cookies from a specific source

ngkck, described in Section 3 (1) above, cannot be disabled separately. To disable ngkck, change your browser settings to disable all cookies.
To disable Google Analytics, described in Section 3 (2) above, download the Google Analytics Opt-out Browser Add-on from the page provided by Google at the link shown below, install the add-on, and change the browser’s add-on settings.

Google Analytics Opt-out Browser Add-on


Inquiries and complaints relating to this Cookie Policy can be submitted via the inquiry form.

Sales Department, Electronic Devices Division, Digital Society Business Group
NGK Insulators, Ltd.
Phone: +81-52-872-7935
Fax: +81-52-872-8887
Inquiry Form

Last modified May 27, 2022.