Stephen E. Levinson

AT AT&T: 2 patents #7,280 of 18,772Top 40%

AL American Telephone And Telegraph Company, At&T Bell Laboratories: 2 patents #123 of 1,086Top 15%

BL Bell Telephone Laboratories: 2 patents #297 of 1,445Top 25%

NG N.V. Philips Gloeilampenfabrieken: 1 patents #6 of 12Top 50%

Overall (All Time): #767,085 of 4,157,543Top 20%

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #	Title	Co-Inventors	Date
5212821	Machine-based learning system	Allen Louis Gorin	1993-05-18
RE33597	Hidden Markov model speech recognition arrangement	Lawrence R. Rabiner, Man M. Sondhi	1991-05-28
4852180	Speech recognition by acoustic/phonetic system and technique	—	1989-07-25
4783804	Hidden Markov model speech recognition arrangement	Biing-Hwang Juang, Lawrence R. Rabiner, Man M. Sondhi	1988-11-08
4587670	Hidden Markov model speech recognition arrangement	Lawrence R. Rabiner, Man M. Sondhi	1986-05-06
4355302	Spelled word recognizer	Bernd Aldefeld, Thomas G. Szymanski	1982-10-19
4277644	Syntactic continuous speech recognizer	Frank C. Pirz	1981-07-07