Daniel Gruhl
81Patents
15h-index
58Co-inventors
87Inventor score
Filing activity: Feb 9, 1996 → Apr 23, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5689587A | Method and apparatus for data hiding in images | Electricity | 253 | Expired |
| US5893067A | Method and apparatus for echo data hiding in audio signals | Electricity | 224 | Expired |
| US6411392B1 | Method and apparatus for data hiding in printed images | Performing Operations; Transporting | 109 | Expired |
| US7010526B2 | Knowledge-based data mining system | Emerging Cross-Sectional Technologies | 97 | Expired |
| US6201879A | Method and apparatus for logo hiding in images | Physics | 92 | Expired |
| US6993534B2 | Data store for knowledge-based data mining system | Emerging Cross-Sectional Technologies | 44 | Expired |
| US7523138B2 | Content monitoring in a high volume on-line community application | Physics | 42 | Active |
| US7389310B1 | Supercomputing environment for duplicate detection on web-scale data | Emerging Cross-Sectional Technologies | 38 | Active |
| US7281022B2 | System, method, and service for segmenting a topic into chatter and subtopics | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6212285A | Method and apparatus for multi-bit zoned data hiding in printed images | Electricity | 27 | Expired |
| US8407193B2 | Data deduplication for streaming sequential data storage applications | Physics | 23 | Active |
| US7426557B2 | System, method, and service for inducing a pattern of communication among various parties | Emerging Cross-Sectional Technologies | 22 | Active |
| US5870499A | Method and apparatus for data hiding in images | Electricity | 20 | Expired |
| US8352412B2 | System for monitoring global online opinions via semantic extraction | Physics | 18 | Active |
| US8595188B2 | Operating system and file system independent incremental data backup | Physics | 16 | Active |
| US7730061B2 | Fast-approximate TFIDF | Physics | 14 | Active |
| US7587407B2 | System and method for creation, representation, and delivery of document corpus entity co-occurrence information | Emerging Cross-Sectional Technologies | 10 | Active |
| US7593940B2 | System and method for creation, representation, and delivery of document corpus entity co-occurrence information | Emerging Cross-Sectional Technologies | 9 | Active |
| US8417694B2 | System and method for constructing targeted ranking from multiple information sources | Physics | 9 | Active |
| US7725346B2 | Method and computer program product for predicting sales from online public discussions | Physics | 8 | Active |
| US7970895B2 | System, method, and service for inducing a pattern of communication among various parties | Emerging Cross-Sectional Technologies | 7 | Active |
| US8214391B2 | Knowledge-based data mining system | Physics | 7 | Expired |
| US9904983B2 | Lens distortion correction using a neurosynaptic circuit | Physics | 6 | Active |
| US11416562B1 | Corpus expansion using lexical signatures | Physics | 6 | Active |
| US10255271B2 | Disambiguation of the meaning of terms based on context pattern detection | Physics | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.