This website ( is run by NGK SPARK PLUG CO., LTD (hereafter referred to as “NGK”). Before using our website, please agree to the following terms. Our company may change the following terms as needed, and the changes take effect when posted on this website.

About the Use of This Website

NGK takes all possible care regarding the information it posts on this website, but it does not guarantee anything, including the accuracy, usefulness, and certainty of the information on this website.
The information disclosed on this website is subject to change, suspension, or termination without any prior notice.
NGK shall not be liable for any damage caused by the customer’s use of this website.
About Copyrights

Information and data posted on this website, such as texts, photos, images, illustrations, and sounds (hereafter referred to as “contents”), are copyrighted by NGK, copyright holders, or other right holders.
When the customer prints or saves the contents for personal use, the duplication, public transmission, alteration, deletion, uploading, posting, distributing, licensing, selling, publishing (including reproduction on the customer’s website) of the contents without any permission from NGK, copyright holders, or other right holders are strictly prohibited by copyright laws unless otherwise approved by the law. When the customer uses the contents for purposes other than personal use, please contact NGK beforehand and obtain written approval from the company. If the contents the customer uses include the portraits, writings, or trade marks of third parties, the use of them may be refused when NGK has deemed it as inappropriate.

About Trademark Rights

The characters of NGK and NTK, their logos, and trademarks or trade names of NGK’s product names posted on this website shall belong to NGK’s rights. Unless otherwise approved by the Trademarks Law, Unfair Competition Prevention Law, and other applicable laws, the use of the above without NGK’s permission is strictly prohibited. When you use them for any purpose

Links to NGK SPARK PLUG CO., LTD. Website

You must comply with the following conditions when you are linking to the NGK SPARK PLUG CO., LTD. Website (hereafter “the Site”):

You shall not link to any page other than the top page of
You may use our ordinary company name “NGK SPARK PLUG CO., LTD.” (trade name) as a link button.
NGK SPARK PLUG CO., LTD. will give permission only for linking to the top page of from your site.
NGK logo, NTK logo and other Trademarks are Registered Trademarks of NGK SPARK PLUG CO., LTD. in Japan and in the world. Thus, you shall not use these Trademarks without permission from NGK SPARK PLUG CO., LTD. (In order to use NGK logo, NTK logo or other Trademarks, authorization by NGK SPARK PLUG CO., LTD. under a separate agreement should be needed.)
If you link to the Site, the Site shall be displayed in a newly-appeared separate window on the user’s monitor. You shall not place the content of the Site in a frame on your site, which might infringe with copyrights or other intellectual property rights of NGK SPARK PLUG CO., LTD., or might be in danger of doing unfair competition act.
The content and URL of the Site may be subject to change, stop or deletion without notice.
There is no link from the Site at present. (exclusive of our affiliated companies)
※Any link from the following web sites shall be refused.
Web site containing content to libel on or impair credit of NGK SPARK PLUG CO., LTD. and their products or service.
Web site being contrary to public order and good morals
Web site containing adult content
Web site for commercial use
Web site having an impact on the user’s system
Web site judged to be operated improperly
Access to and Downloading of This Website

This website is run and managed by one of NGK’S business offices located in Japan.NGK does not guarantee that the contents on this website will be appropriate or usable when they are used in countries or areas other than Japan.

NGK assumes that anyone who accesses this website from a country or area other than Japan does so voluntarily and that the person is liable for cases where he or she accesses the website to thereby violate the laws of the country or area where he or she resides.

The software on this website cannot be downloaded, exported, or re-exported to any countries, corporations, or persons when the laws and regulations in Japan or other countries prohibit the software from being downloaded, exported, or re-exported. When downloading or using the software prohibited by those laws, the customer assumes responsibility for what may arise from such conduct.

About the Proper Law and Competent Court

The use of this website and the terms stipulated in the aforementioned “Before Using This Site” are compliant with the Constitution of Japan, unless otherwise provided for. In addition, concerning all conflicts related to the use of this website, the Nagoya District Court in Japan is designated as the dedicated competent court of the first trial.