The U-disk patent invented by the Chinese people today ushered in the deadline for 20-year valid invention patents. According to the official website, as the inventor of the flash disk, the flash disk with the USB disk as the trademark launched by Longke is a new generation of storage products based on USB interface and flash memory media.

At present, Longke has two wholly-owned subsidiaries, Shenzhen Longbo Technology Co., Ltd. and Netac Technology (Hong Kong) Limited (Hong Kong Longke).

The 2018 annual report disclosed on March 13 this year shows that the core basic invention patent of Longke technology “flash electronic external storage method and device for data processing system”, the application date is November 14, 1999, and the expiration date of the patent right is November 14, 2019.

This fast and convenient storage technology commonly known as USB flash disk is the core advantage of Longke technology and the basis of patent operation business, and it is also the main source of its performance.

According to the 2018 annual report, the patent licensing revenue of Longke technology’s patent operation business was 36.2926 million yuan, a decrease of 10.27% over the same period of the previous year, but the gross profit margin was still 100%, while the net profit of Longke technology in 2018 was 64.4966 million yuan.


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