Company Filing History:

4 out of 2,606

Ngk Spark Plug Company, Limited

patents

Years Active: 1987-1992

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5109178 - Spark plug for internal combustion engine (1992-04-28),

2. 4786267 - Spark plug (1988-11-22),

3. 4743793 - Spark plug (1988-05-10),

4. 4659960 - Electrode structure for a spark plug (1987-04-21),

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.

For the Inventor, By the Inventor

Akihiro Toya

Location History:

Company Filing History:

Years Active: 1987-1992