Threshold Technology, Inc.
9Patents
0Active
9Granted
28Portfolio score
Filing activity: Jul 17, 1974 → Mar 4, 1981
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4394538A | Speech recognition system and method | Physics | 61 | Expired |
| US4336421A | Apparatus and method for recognizing spoken words | Physics | 49 | Expired |
| US4319085A | Speech recognition apparatus and method | Physics | 30 | Expired |
| US4255816A | Receiving apparatus having a plurality of antennas | Electricity | 26 | Expired |
| US4107460A | Apparatus for recognizing words from among continuous speech | Physics | 26 | Expired |
| US4069393A | Word recognition apparatus and method | Physics | 23 | Expired |
| US4032710A | Word boundary detector for speech recognition equipment | Physics | 20 | Expired |
| US3943295A | Apparatus and method for recognizing words from among continuous speech | Physics | 17 | Expired |
| US4063031A | System for channel switching based on speech word versus noise detection | Electricity | 16 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.