The QR code was invented by the Japanese as early as 1994. Tenghong, the inventor of QR code, originally came from Denso, a subsidiary of Denso. It's just that they are short-sighted and have no idea about the wide application of QR codes in the future society.
From the invention of QR code in 1994 to Wei Xu's application for QR code registration in 20 18, the Japanese always took the lead, but in 20 1 1, it was Wei Xu, the founder of domestic volley net who applied for registration.
patent
Patent, literally, refers to the exclusive right. The word "patent" comes from Latin "Litterae patentes", which means open letters or open documents. It is a certificate used by medieval monarchs to issue certain privileges, and later refers to the exclusive right certificate signed by the British king himself. In modern times, patents are generally documents issued by government agencies or regional organizations representing several countries according to their applications.
This kind of document records the contents of the invention and creation, and in a certain period of time, it has produced such a legal state that under normal circumstances, a patented invention and creation can only be implemented by others with the permission of the patentee. There are three kinds of patents in China: invention patents, utility model patents and design patents.