Lei Duan
26Patents
8h-index
58Co-inventors
78Inventor score
Filing activity: Jan 29, 1999 → Mar 2, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6223150A | Method and apparatus for parsing in a spoken language translation system | Physics | 147 | Expired |
| US6356865B1 | Method and apparatus for performing spoken language translation | Physics | 146 | Expired |
| US6442524B1 | Analyzing inflectional morphology in a spoken language translation system | Physics | 128 | Expired |
| US6778949B2 | Method and system to analyze, transfer and generate language expressions using compiled instructions to manipulate linguistic structures | Physics | 90 | Expired |
| US6721697B1 | Method and system for reducing lexical ambiguity | Physics | 76 | Expired |
| US6529865B1 | System and method to compile instructions to manipulate linguistic structures into separate functions | Physics | 50 | Expired |
| US7392186B2 | System and method for effectively implementing an optimized language model for speech recognition | Physics | 23 | Active |
| US8849725B2 | Automatic classification of segmented portions of web pages | Physics | 14 | Active |
| US8778735B1 | Packaging method of molded wafer level chip scale package (WLCSP) | Electricity | 8 | Active |
| US7974970B2 | Detection of undesirable web pages | Physics | 7 | Active |
| US8486803B2 | Wafer level packaging method of encapsulating the bottom and side of a semiconductor chip | Electricity | 6 | Active |
| US8112436B2 | Semantic and text matching techniques for network search | Physics | 5 | Active |
| US9514216B2 | Automatic classification of segmented portions of web pages | Physics | 4 | Active |
| US8666984B2 | Unsupervised message clustering | Physics | 4 | Active |
| US8563361B2 | Packaging method of molded wafer level chip scale package (WLCSP) | Electricity | 4 | Active |
| US9196534B2 | Method for preparing semiconductor devices applied in flip chip technology | Electricity | 3 | Active |
| US7353174B2 | System and method for effectively implementing a Mandarin Chinese speech recognition dictionary | Physics | 3 | Expired |
| US9104751B2 | Supplemental search results having social connection endorsement data on a SERP | Physics | 2 | Active |
| US9959579B2 | Derivation and presentation of expertise summaries and interests for users | Physics | 1 | Active |
| US7353173B2 | System and method for Mandarin Chinese speech recognition using an optimized phone set | Physics | 1 | Expired |
| US9015174B2 | Likefarm determination | Physics | 0 | Active |
| US9545396B2 | Method and pharmaceutical composition for inhibiting PI3K/AKT/mTOR signaling pathway | Chemistry; Metallurgy | 0 | Active |
| US11795475B2 | Cell strain for reducing production of replication competent adenovirus, and construction method and use thereof | Chemistry; Metallurgy | 0 | Active |
| US10376572B2 | Immunogenic composition for preventing pneumococcal diseases and preparation method thereof | Human Necessities | 0 | Active |
| US9750728B2 | Method and pharmaceutical composition for inhibiting PI3K/AKT/mTOR signaling pathway | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.