Reportedly, Nichia has filed two patent infringement lawsuits against Everlight again in Tokyo District Court on October 4, 2011. Nichia filed two patent infringement lawsuits in Tokyo District Court to enjoin Tachibana Eletech Co., Ltd. from infringing Nichia's patent (No. 4530094, or "patent No. 094") and to claim damages for the infringement with regard to white LED products (product number: GT 3528 series and 61-238 series) manufactured by Everlight, and imported, sold, etc. by Tachibana. Source: www.ledinside.com
Source:
http://www.ledinside.com/nichia_20111009
