Yi Guan
15Patents
7h-index
33Co-inventors
66Inventor score
Filing activity: Jul 11, 2000 → May 17, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6687689B1 | System and methods for document retrieval using natural language-based queries | Emerging Cross-Sectional Technologies | 104 | Expired |
| US6810376B1 | System and methods for determining semantic similarity of sentences | Physics | 73 | Expired |
| USD822124S1 | Robot vehicle | General | 39 | Active |
| US8104902B2 | Projection image display apparatus having a noise removal filter portion | Physics | 30 | Active |
| USD803765S1 | Robot vehicle | General | 29 | Active |
| USD780062S1 | Unmanned aerial vehicle | General | 28 | Active |
| US9028312B1 | Apparatus, systems, and methods for detecting projectile hits on a surface | Human Necessities | 18 | Active |
| US9586138B2 | Apparatus, systems, and methods for detecting projectile hits on a surface | Human Necessities | 5 | Active |
| US7705922B2 | Projection type image display apparatus | Electricity | 2 | Active |
| US7922334B2 | Multistage cooling system for projector | Physics | 2 | Active |
| US11666702B2 | Medical devices and related event pattern treatment recommendation methods | Physics | 1 | Active |
| US9887788B2 | Method and system for implementing a large area continuous coverage of programs in digital audio broadcasting | Electricity | 1 | Active |
| USD1063484S1 | Defroster | General | 1 | Active |
| US8511832B2 | Projection type image display apparatus with angled exhaust fan | Physics | 0 | Active |
| US12140854B1 | Two-piece LCD projection device with light filter function and projection method thereof | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.