Amitabh Singhal
28Patents
10h-index
43Co-inventors
75Inventor score
Filing activity: May 14, 1998 → Sep 1, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6370527B1 | Method and apparatus for searching distributed networks using a plurality of search devices | Emerging Cross-Sectional Technologies | 283 | Expired |
| US8407239B2 | Multi-stage query processing system and method for use with tokenspace repository | Physics | 134 | Active |
| US8090717B1 | Methods and apparatus for ranking documents | Physics | 95 | Expired |
| US8032483B1 | Using game responses to gather data | Physics | 44 | Expired |
| US6163782A | Efficient and effective distributed information management | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6567810B1 | Efficient and effective distributed information management | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7113910B1 | Document expansion in speech retrieval | Physics | 15 | Expired |
| US6347317B1 | Efficient and effective distributed information management | Emerging Cross-Sectional Technologies | 13 | Expired |
| US8990210B2 | Propagating information among web pages | Physics | 12 | Active |
| US8843479B1 | Methods and apparatus for ranking documents | Physics | 11 | Active |
| US7761298B1 | Document expansion in speech retrieval | Physics | 7 | Active |
| US11157564B2 | Natural language question answering systems | Physics | 6 | Active |
| US8521717B2 | Propagating information among web pages | Physics | 4 | Active |
| US6523017B1 | Methods and apparatus for communicating information in a supervised learning system | Physics | 4 | Expired |
| US7933890B2 | Propagating useful information among related web pages, such as web pages of a website | Physics | 3 | Active |
| US9607087B1 | Providing answer boxes based on query results | Physics | 3 | Active |
| US8606745B1 | Using game responses to gather data | Physics | 3 | Active |
| US8306972B2 | Ordering of search results based on language and/or country of the search results | Physics | 2 | Active |
| US9183311B2 | Ordering of search results based on language and/or country of the search results | Physics | 2 | Active |
| US9146967B2 | Multi-stage query processing system and method for use with tokenspace repository | Physics | 2 | Active |
| US6668248B1 | Methods and apparatus for communicating information in a supervised learning system | Physics | 2 | Expired |
| US10496652B1 | Methods and apparatus for ranking documents | Physics | 1 | Active |
| US7395207B1 | Document expansion in speech retrieval | Physics | 1 | Active |
| US9031898B2 | Presentation of search results based on document structure | Physics | 0 | Active |
| US9477714B1 | Methods and apparatus for ranking documents | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.