Nichia sues Wilmar and Tsann Kuen

Recently, Nichia sue in the East Texas District Court against Wilmar, a wholesaler in Seattle, for allegedly infringing on four patents. These four patents are the same-named patents, all of which are related to Nichia's best light-emitting devices. A generation of luminaires such as LEDs or other semiconductor-based electronic illuminators.

This case is a patent for four patents, among which US 5,998,925 and US 7,531,960 are related to white LEDs, and US 5,652,434 and US 6,093,965 are related to LED chip patents.

Wilmar was accused of importing infringing luminaires. In fact, this was not the first case. Just a few days ago, the Japanese subsidiary of Taiwanese manufacturer Tsann Kuen was also accused by Nichia Chemical of infringing four patents (JP3724498, JP3995011). , JP4109297, JP4530094), but Tsann Kuen and Wilmar are wholesale or traders, not real manufacturers.

According to Nissan Chemical’s charge of Tsannkuen Japan on September 6, 2010, four false claims were filed in the Tokyo District Court to stop the infringement of the patent rights owned by Nichia, alleging illegal authorization to sell LED bulbs, infringing on Japan’s Four patented white LEDs.

Tsann Kuen Japan is a Japanese subsidiary of Can Star Netcom Co., Ltd. According to the press release issued by Tsann Kuen in this case, the chips used to sell Japanese LED bulbs are all patent-free infringement concerns of Cres chip, and Cree has a patent-licensing relationship with Nichia, and uses well-known Japanese merchant Toyota Synthetic (TG). Legally authorized white light conversion patent. There is no patent infringement concern for the legal source of the Cree chip and TG.