Inventor · disambiguated record
Ioan R. Allen
Also filed as: ALLEN IOAN R
7 granted patents·332 citations·filing 1983–1998
88Inventor score
Top patents by PatentIndex Score
7 records- 0195US4799260AVariable matrix decoderDOLBY LAB LICENSING CORP·Filed 1986·Granted Jan 17, 1989·120 cites·38 claims
- 0291US4941177AVariable matrix decoderDOLBY LAB LICENSING CORP·Filed 1988·Granted Jul 10, 1990·80 cites·38 claims
- 0375US6624873B1Matrix-encoded surround-sound channels in a discrete digital sound formatDOLBY LAB LICENSING CORP·Filed 1998·Granted Sep 23, 2003·72 cites·18 claims
- 0474US4577302AApparatus for reproducing motion picture film photographic sound-tracks to correct reproduction errors and reduce noiseDOLBY LAB LICENSING CORP·Filed 1983·Granted Mar 18, 1986·18 cites·22 claims
- 0571US4815068AAudio encoder for use with more than one decoder each having different characteristicsDOLBY RAY MILTON·Filed 1987·Granted Mar 21, 1989·21 cites·27 claims
- 0664US4577305AStereophonic motion picture photographic sound-tracks compatible with different sound projection formats and record and playback apparatus thereforeDOLBY LAB LICENSING CORP·Filed 1983·Granted Mar 18, 1986·17 cites·21 claims
- 0737US6011610ACompatible digital soundtracks for 70 mm motion picture filmDOLBY LAB LICENSING CORP·Filed 1998·Granted Jan 4, 2000·4 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →