Kaneka Has Filed a Patent Infringement Lawsuit against South Korean Corporation and its U.S. Affiliate

News Release

Kaneka Has Filed a Patent Infringement Lawsuit against South Korean Corporation and its U.S. Affiliate

KANEKA CORPORATION
July 28, 2010
Kaneka Corporation (headquarters: Osaka, Japan; President: Mr. Kimikazu Sugawara) , a leading corporation in the electronic material field and other areas, announced today
that it has filed a lawsuit in the United States District Court for the Eastern District of Texas on July 26, 2010 (CST). The lawsuit accuses South Korean giant SKC KOLON PI, INC., and its U.S. affiliate SKC, INC. of infringing five of Kaneka’s U.S. patents. The patents, 5,075,064, 6,264,866, 6,746,639, 7,018,704 and 7,691,961, relate to polyimide film, a material widely used in the electronic industry. In the lawsuit, Kaneka seeks an injunction and damages for the alleged infringement.

Kaneka issued a statement pointing out its heavy investment and years of research and development in its efforts to achieve improved quality and productivity of polyimide film products such as Apical®. The statement emphasized that Kaneka values its intellectual property assets and is committed to protecting them against infringers.

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