TOYOTA synthesis was former Columbia professor's patent No. 5252499 LED

It is reported that the Japanese giant TOYOTA LED synthesis has received 5252499 patent licensing, the United States Gertrude Neumark Rothschild, a retired professor of Columbia University, therefore, the use of TOYOTA LED chip production of synthetic products did not infringe 5252499 patents.

In February 20th this year, Gertrude Neumark professor Rothschild to the United States International Trade Commission (ITC) filed charges, the global 30 enterprises in the production and sales of beauty beauty LED and laser products infringe the patent number for a patent 5252499, asked the ITC to start the "337 investigation" by the applicant, and apply for the general exclusion order and prohibition order.

Now, TOYOTA synthesis has obtained 5252499 patent license, so the use of synthetic LED TOYOTA customers will not infringe the patent.

Source: LEDinside