In September of 20001year, PageRank, Google's web rating mechanism, obtained a US patent. The patent was officially granted to Stanford University, and Larry Page was listed as the inventor.
In February 2004, because Yahoo gave up using Google search engine and decided to develop its own search engine, Google's market share declined.
Development course:
1998, Larry Page and sergey brin jointly developed the Google online search engine in the dormitory of Stanford University in the United States, and quickly spread it to information searchers all over the world; On August 7th, Google Inc was established in Mountain View, California, USA. It is a private joint-stock company. In the same year, Google PageRank patent was invented.