Mathsoft, Inc.
5Patents
0Active
5Granted
29Portfolio score
Filing activity: Mar 2, 1994 → Mar 22, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6510406B1 | Inverse inference engine for high performance web search | Emerging Cross-Sectional Technologies | 530 | Expired |
| US5469538A | Mathematical document editor and method performing live symbolic calculations for use with an electronic book | Physics | 64 | Expired |
| US5526475A | Method for live symbolic calculations in a mathematical document editor | Physics | 27 | Expired |
| US5844555A | Locking mechanism for live mathematical documents | Physics | 10 | Expired |
| US5771392A | Encoding method to enable vectors and matrices to be elements of vectors and matrices | Physics | 10 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.