JJ

James David Johnston

AT AT&T: 6 patents #13 of 1,435Top 1%
📍 Redmond, WA: #2 of 183 inventorsTop 2%
🗺 Washington: #19 of 2,427 inventorsTop 1%
Overall (1997): #2,639 of 185,788Top 2%
6
Patents 1997

Issued Patents 1997

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5701389 Window switching based on interblock and intrablock frequency band energy Sean M. Dorward 1997-12-23
5699479 Tonality for perceptual audio compression based on loudness uncertainty Jonathan B. Allen, Sean M. Dorward, Mark Sydorenko 1997-12-16
5682442 Image processing system David L. Neuhoff, Thrasyvoulos N. Pappas, Robert J. Safranek 1997-10-28
5627938 Rate loop processor for perceptual encoder/decoder 1997-05-06
5625745 Noise imaging protection for multi-channel audio signals Sean M. Dorward 1997-04-29
5592584 Method and apparatus for two-component signal compression Anibal J. S. Ferreira 1997-01-07