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Infringement Lawsuits against Seller of LED Light Bulbs
On October 28, 2011, Nichia Corporation (hereinafter "Nichia") has filed two patent infringement lawsuits in Tokyo District Court to enjoin Tsannkuen Japan (Sankun Nihon Denki Kabushiki Kaisha, hereinafter "Tsann Kuen"), a subsidiary of a Taiwanese company, from infringing Nichia's patent (No. 4530094, or "094 patent") and to claim damages for the infringement with regard to LED light bulbs manufactured by Tsann Kuen. This lawsuit follows the provisional injunction action that was pending at the Tokyo District Court with Tsann Kuen as the defendant and Unity Opto Technology Co. Ltd., a Taiwanese manufacturer of the white LED used in the light bulbs, as its supporting intervener, referred to below.
Nichia also confirmed that Tsann Kuen sold LED light bulbs with E17 bases (product number: TK-BE05L, TK-BE05N), and upon their understanding that the light bulbs also infringed 094 patent, it commenced another lawsuit as to these light bulbs for the enjoinment of infringing acts and to claim damages based on this patent.
094 Patent concerns the technology of combining photo-luminescent material with blue LED, and is employed in many white LED products that combine photo-luminescent material with blue LED.
Nichia will continue to take necessary measures to protect its patents and other intellectual property rights against any products using LEDs made in Taiwan, Korea and other regions that infringe Nichia's patents.
September 6, 2010 "Nichia files four provisional injunction actions against a seller of LED light bulbs"
September 21, 2011 "Tokyo District Court Issues Order Enjoining Import and Sale of LED Light Bulbs Manufactured in China"
Public Relations, Nichia Corporation
Tel:+81-884-22-2311
Fax:+81-884-23-7752