Patent Search Technology of Automobile Steering Gear Manufacturing Enterprises

Considering the characteristics of patent information of automobile steering gear manufacturing enterprises, the type of information is classified. Accordingly, the method of need representation and technology of feature extract is researched in searching patent information of automobile steering gear manufacturing enterprises, and a matching model of similitude cosine is built. Aiming to the example of searching patent information of automobile steering gear manufacturing enterprises, the searching process is implemented by helps of the method and strategy, which testifies the effectiveness and feasibility of the methods mentioned in the paper.