Mircosoft Corporation
21Patents
10Active
21Granted
44Portfolio score
Filing activity: Aug 2, 1993 → Nov 2, 2009 · 9 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8006180B2 | Spell checking in network browser based applications | Physics | 309 | Active |
| US7933344B2 | OFDMA based on cognitive radio | Electricity | 184 | Active |
| USD539810S1 | Icon for a portion of a display screen | General | 104 | Expired |
| US5521597A | Data compression for network transport | Physics | 84 | Expired |
| USD540813S1 | Icon for a portion of a display screen | General | 58 | Expired |
| USD540345S1 | Icon for a portion of a display screen | General | 51 | Expired |
| US6981227B1 | Systems and methods for a dimmable user interface | Physics | 36 | Expired |
| US8024383B2 | Fat directory structure for use in transaction safe file | Physics | 21 | Active |
| USD539808S1 | Image for a portion of a display screen | General | 19 | Expired |
| USD537831S1 | Key configuration for an input device | General | 18 | Expired |
| US7996338B2 | Combining predictive models of forgetting, relevance, and cost of interruption to guide automated reminding | Physics | 11 | Active |
| USD539301S1 | Animated image for a portion of a display screen | General | 10 | Expired |
| US5920843A | Signal parameter track time slice control point, step duration, and staircase delta determination, for synthesizing audio by plural functional components | Physics | 10 | Expired |
| US7206737B2 | Pen tip language and language palette | Physics | 6 | Expired |
| US7427771B2 | Universal gates for ising TQFT via time-tilted interferometry | Physics | 4 | Active |
| US7933670B2 | Maintaining music playback | Human Necessities | 3 | Active |
| US7715630B2 | Interfacing with ink | Physics | 2 | Expired |
| US7747864B2 | DVD identification and managed copy authorization | Physics | 2 | Active |
| US8626479B2 | Client load simulation framework | Physics | 0 | Active |
| US8659505B2 | Auxiliary display device driver interface | Physics | 0 | Active |
| US7937426B2 | Interval generation for numeric data | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.