The effectiveness of the main Nichia YAG patent was the Japanese Patent Office confirmed

The day before, Everlight said, according to the patent held by Nichia JP3503139, proposed a mistrial request to the Japanese Patent Office, Japan Patent Office in May 8th to make the patent invalid JP3503139 judgment, the judgment content mainly includes JP3503139 1 request the patent invalid.

In fact, the Japanese Patent Office for photoelectron billion to Nichia has 19 patents filed the request for invalidation of the patent, 19 patents including a YAG based patent, namely Japan Patent No. 2927279th (hereinafter referred to as the "279 patent"), which reveals a blue LED and YAG phosphor combinations white LED technology. The Patent Office of the Japanese Patent Office in April 9, 2012, has confirmed the validity of the patent. In addition, No. 2778349th (electrode patent) and No. 2540791 (annealing patent) was also recognized by the Japanese patent office as an effective patent. In other words, including the aforementioned YAG basic patents, including the main patents, the effectiveness of the Japanese franchise was confirmed.

In fact, before the date of claim No. 3503139th billion light (hereinafter referred to as the "139 patent") has been the Japanese Patent Office declared invalid in 139 words, only authorized patent claims made by 1, should be solved by the amendment of claims; in addition, 139 patents in addition to claim 3 other than Xiang Quanli 1 the requirements have been confirmed by Japan Patent office.