Page rank 跟李“百毒”沒任何關係，很多Citation都是日本公司而且早於李“百毒”，而且李“百毒”也隻是那專利的發明者不是所有者。
Page Rank 的專利文件 申請時間：Jan18，1998，批準時間：Sept4，2001
Citations
| US4953106 | Aug 28, 1990 | Technique for drawing directed graphs |
| US5450535 | Sep 12, 1995 | Graphs employing clusters |
| US5748954 | May 5, 1998 | Method for searching a queued and ranked constructed catalog of files stored on a network |
| US5752241 | May 12, 1998 | Method and apparatus for estimating transitive closure and reachability |
| US5832494 | Nov 3, 1998 | Method and apparatus for indexing, searching and displaying data |
| US5848407 | Dec 8, 1998 | Hypertext document retrieving apparatus for retrieving hypertext documents relating to each other |
| US6014678 | Jan 11, 2000 |
Apparatus for preparing a hyper-text document of pieces of information having reference relationships with each other
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