David E. Johnson
21Patents
12h-index
12Co-inventors
78Inventor score
Filing activity: Dec 13, 1994 → Oct 9, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5748974A | Multimodal natural language interface for cross-application tasks | Physics | 515 | Expired |
| US6567805B1 | Interactive automated response system | Emerging Cross-Sectional Technologies | 219 | Expired |
| US6519580B1 | Decision-tree-based symbolic rule induction system for text categorization | Physics | 131 | Expired |
| US6574624B1 | Automatic topic identification and switch for natural language search of textual document collections | Emerging Cross-Sectional Technologies | 128 | Expired |
| US6553385B2 | Architecture of a framework for information extraction from natural language documents | Emerging Cross-Sectional Technologies | 109 | Expired |
| US6697998B1 | Automatic labeling of unlabeled text data | Physics | 106 | Expired |
| US6477551B1 | Interactive electronic messaging system | Emerging Cross-Sectional Technologies | 88 | Expired |
| US6618715B1 | Categorization based text processing | Physics | 85 | Expired |
| US6418434B1 | Two stage automated electronic messaging system | Emerging Cross-Sectional Technologies | 46 | Expired |
| US8140323B2 | Method and system for extracting information from unstructured text using symbolic machine learning | Physics | 40 | Active |
| US7162413B1 | Rule induction for summarizing documents in a classified document collection | Physics | 26 | Expired |
| US6618722B1 | Session-history-based recency-biased natural language document search | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7177796B1 | Automated set up of web-based natural language interface | Physics | 5 | Expired |
| US10467648B1 | Coupon processing system including post-purchase coupon value assignment based upon physical coupon redemption and related methods | Physics | 2 | Active |
| US10380644B1 | System including point-of-sale (POS) terminal for redemption of a brand based promotional offer based upon mobile device location and related methods | Physics | 1 | Active |
| US10706462B1 | Coupon processing system communicating digital coupon offer based upon user bid request and related methods | Physics | 1 | Active |
| US11416888B1 | System for suggesting compliant digital promotion for a regulated product and related methods | Physics | 0 | Active |
| US10475081B1 | Coupon processing system including instant redeemable coupon redemption based upon short message service short code and related methods | Electricity | 0 | Active |
| US11494797B1 | Electronic system including electronic message based electronic shopping list generation and related methods | Physics | 0 | Active |
| US11113708B1 | System for generating a digital coupon based upon collected user card exchange information and related methods | Physics | 0 | Active |
| US10984436B1 | System including point-of-sale (POS) terminal for redemption of a brand-based cannabis promotional offer based upon mobile device location and related methods | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.