The level of assistive technologies development for surdotechnical means of rehabilitation of persons with limited opportunities of health(patent-information investigation)
There have been presented the results of the patent-information investigation of technical decisions in the fi of assistive technologies for surdotechnical means of rehabilitation. A statistical and intellectual analy sis of the patent documents text served as a base for the formation of the dataset corresponding to the theme, the graphic representation of which has been visualized as a patent landscape. The landscape maps made possible to evaluate a level of an inventive activity, to defi and to describe the most perspective technical decisions and technologies for improvement of rehabilitation means. There have been considered the world dynamics and geography of patenting in the art over for the last 20 years, the main groups of International Patent Classifi have been defi which are related to the fi of technologies application being investigated. The information about distribution of inventive activity by selected groups of the International Patent Classifihas been presented, the leading applicants for a patent and patent owner in the given fi of technique, the list of the most cited patents. Based on the studying of state contracts for 2015 - 2016 years the main providers and manufacturers of surdotechnical means of rehabilitation in the Russian Federation have been revealed.