Company Filing History:

6 out of 19,697

Denso Corporation

where one patent can have more than one assignee

Years Active: 2013-2021

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10985535 - Method for manufacturing spark plug with peripheral edge of proximal end surface of sealing distal-end layer prevented from significantly rising toward proximal end (2021-04-20),

2. 10933559 - Method of producing spark plug insulator (2021-03-02),

3. 9954344 - Spark plug for internal combustion engine (2018-04-24),

4. 9831638 - Spark plug (2017-11-28),

5. 9583916 - Alumina sintered body and spark plug using the same (2017-02-28),

6. 8431505 - Alumina sintered body and method for manufacturing same, and spark plug comprising the alumina sintered body as an insulator (2013-04-30),

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For the Inventor, By the Inventor

Hiroshi Araki

Location History:

Company Filing History:

Years Active: 2013-2021