As long as the patented technology meets the definition of intangible assets, it belongs to intangible assets.
Usually, people will confuse proprietary technology with patented technology or patent right. What we usually call "patented technology" has a wide extension, including invention patents, utility model patents and design patents, which is the general name of patent rights. Strictly speaking, patented technology refers to the technology protected by patent within the validity period, but it does not include the technology recorded in the unauthorized patent application.
It is estimated that this is a problem caused by textbooks. Textbooks are sometimes boring, and they always make a fuss about words and chew words, which stumbles students.