Inventor
Stephen E. Levinson
Inventor
Westfield, NJ, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G10Lprimary
G10LSpeech analysis techniques or speech synthesis78%
G06NComputing arrangements based on specific computational models11%
G06VImage or video recognition or understanding11%
PatentTitleYear
5,212,821'Machine-based learning system'1993RE033597'Hidden Markov model speech recognition arrangement'19914,852,180'Speech recognition by acoustic/phonetic system and technique'19894,783,804'Hidden Markov model speech recognition arrangement'19884,587,670'Hidden Markov model speech recognition arrangement'19864,355,302'Spelled word recognizer'19824,277,644'Syntactic continuous speech recognizer'19814,156,868'Syntactic word recognizer'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–1982Patents assigned to BELL TELEPHONE LABOR INC (3)· patent assignee history
1979Based in Hillsborough, NJ, US· patent location history
1981–1993Based in Westfield, NJ, US· patent location history
1986–1993Patents assigned to AT & T BELL LAB (2)· patent assignee history
1988–1989Patents assigned to AMERICAN TELEPHONE & TELEGRAPH (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BELL TELEPHONE LABOR INC | 3 | 1979–1982 |
| AMERICAN TELEPHONE & TELEGRAPH | 2 | 1988–1989 |
| AT & T BELL LAB | 2 | 1986–1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Westfield, New Jersey, US | 7 | 1981–1993 |
| Hillsborough, New Jersey, US | 1 | 1979 |