On Wednesday, in a statement Japan’s Nidec Corp said, it had filed a patent infringement lawsuit against Seagate Technology LLC and its affiliates.

In its lawsuit, filed on January 18, in the U.S. District Court in Delaware, Nidec has accused Seagate of using its hard disk drive motor designs without permission.

According to Nidec spokesman, the company wants the court to award it appropriate compensation based on Seagate’s sales.

The lawsuit revolves around the designs of the spindle motor which is used to spin the HDD disk as well as the base plate the disk sits in, said Nidec’s spokesman.

Seagate did not immediately respond to requests for comments.

Nidec’s holds nearly 85% of the global HDD motors marketshare.

HDD motors are used in computers and other devices including data centre equipment account for around a tenth of the company’s revenue.

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Tags: compensation, computers, data centre, Delaware, designs, District Court, global market share, hard disk drive, HDD, Japan, Japanese, lawsuit, motor designs, Nidec, Nidec Corp, patent infringement, Seagate Technology LLC, spindle motor, U.S., US, without permission