Amazon Faces Patent Infringement Suit Over Streaming Products

Several Amazon.com Inc. products allegedly infringe video streaming-related patents belonging to a Japan-based company.

NL Giken Inc.'s founder, Masahide Tanaka, alleged the company and three of its subsidiaries “have made extensive use” of his company’s patented technologies, in a complaint filed Thursday in the US District Court for the District of Delaware.

NL Giken seeks monetary damages and an injunction to address alleged past and ongoing infringement. Amazon didn’t immediately respond to a request for comment.

Tanaka said the inventions are related to how devices receive, store, and subsequently play streaming videos, and allow multiple people to watch content together, ...