Inventor · disambiguated record
Juro Ohga
Also filed as: OHGA JURO
13 granted patents·3 pending applications·583 citations·filing 1983–2011
94Inventor score
Top patents by PatentIndex Score
16 records- 0196US4536887AMicrophone-array apparatus and method for extracting desired signalNIPPON TELEGRAPH & TELEPHONE·Filed 1983·Granted Aug 20, 1985·148 cites·29 claims
- 0293US6683960B1Active noise control apparatusFUJITSU LTD·Filed 2000·Granted Jan 27, 2004·73 cites·21 claims
- 0382US4683590AInverse control systemNIPPON TELEGRAPH & TELEPHONE·Filed 1986·Granted Jul 28, 1987·48 cites·25 claims
- 0480US5146470AAdaptive digital filter including low-pass filterFUJITSU LTD·Filed 1990·Granted Sep 8, 1992·73 cites·76 claims
- 0576US5384843AHands-free telephone setFUJITSU LTD·Filed 1993·Granted Jan 24, 1995·75 cites·14 claims
- 0666US4908855AElectronic telephone terminal having noise suppression functionFUJITSU LTD·Filed 1988·Granted Mar 13, 1990·25 cites·17 claims
- 0765US5602926AMethod and apparatus of determining the sound transfer characteristic of an active noise control systemFUJITSU LTD·Filed 1993·Granted Feb 11, 1997·31 cites·19 claims
- 0864US5638311AFilter coefficient estimation apparatusFUJITSU LTD·Filed 1995·Granted Jun 10, 1997·29 cites·14 claims
- 0956US5790440AApparatus for estimating filter coefficientsFUJITSU LTD·Filed 1995·Granted Aug 4, 1998·14 cites·27 claims
- 1051US5940499AVoice switch used in hands-free communications systemFUJITSU LTD·Filed 1997·Granted Aug 17, 1999·20 cites·25 claims
- 1149US5479502ASpeaking apparatus having handfree conversation functionFUJITSU LTD·Filed 1994·Granted Dec 26, 1995·18 cites·16 claims
- 1247US5544201ASignal suppressing apparatusFUJITSU LTD·Filed 1994·Granted Aug 6, 1996·15 cites·43 claims
- 1346US5237562AEcho path transition detectionFUJITSU LTD·Filed 1991·Granted Aug 17, 1993·14 cites·10 claims
- 1440US2001005822A1Noise suppression apparatus realized by linear prediction analyzing circuitFUJITSU LTD·Filed 2000·Application pending·0 cites
- 1538US2013230196A1Oscillatory wave motor and sound generation device using oscillatory wave motor as drive sourceNEGISHI HIROKAZU·Filed 2011·Application pending·0 cites
- 1633US2001021940A1Method of updating reflection coefficients of lattice filter and apparatus for updating such reflection coefficientsFUJITSU LTD·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →