Inventor · disambiguated record
Haruo Ohta
Also filed as: OHTA HARUO
29 granted patents·677 citations·filing 1984–2013
97Inventor score
Top patents by PatentIndex Score
29 records- 0197US5278846ADigital signal decoderMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Jan 11, 1994·216 cites·1 claims
- 0292US7433245B2Memory card able to guarantee a recoding rate and memory card system using the memory cardMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Oct 7, 2008·29 cites·8 claims
- 0391US6614841B1Signal processing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Sep 2, 2003·31 cites·6 claims
- 0491US5633764AMagnetic tape recording/reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted May 27, 1997·56 cites·7 claims
- 0588US6724555B2Data detecting apparatus and method thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Apr 20, 2004·25 cites·16 claims
- 0677US6560053B1Clock recovery apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted May 6, 2003·22 cites·14 claims
- 0777US5166955ASignal detection apparatus for detecting digital information from a PCM signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Nov 24, 1992·25 cites·3 claims
- 0874US6747826B2Clock recovery apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jun 8, 2004·8 cites·21 claims
- 0973US7512816B2Recording apparatus receiving current supply from an accessing apparatusPANASONIC CORP·Filed 2004·Granted Mar 31, 2009·11 cites·21 claims
- 1069US5233479AApparatus for demodulating and decoding multi-level amplitude modulation signal conveying digital dataMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Aug 3, 1993·19 cites·5 claims
- 1167US4827342AVideo signal processing apparatus for removing noise from reproduced signalsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted May 2, 1989·21 cites·19 claims
- 1267US4825289ANoise reduction apparatus for video signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Apr 25, 1989·20 cites·16 claims
- 1366US4905101ATime base correctorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Feb 27, 1990·20 cites·8 claims
- 1465US5265125ASignal detection apparatus for detecting digital information from PCM signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Nov 23, 1993·46 cites·6 claims
- 1563US5051614ADropout detecting apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Sep 24, 1991·12 cites·4 claims
- 1662US4849826ADigital non-linear pre-emphasis/de-emphasis apparatus for eliminating noise components from video signals in a video signal processing systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Jul 18, 1989·13 cites·11 claims
- 1760US6711228B1Multi-rate clock generator and multi-rate digital data reproducing deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Mar 23, 2004·14 cites·4 claims
- 1858US7525807B2Semiconductor memory devicePANASONIC CORP·Filed 2003·Granted Apr 28, 2009·7 cites·12 claims
- 1955US5402272ADigital signal magnetic recording/reproducing apparatus using amplitude phase shift keying and frequency-multiplexingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Mar 28, 1995·10 cites·4 claims
- 2055US4982191AClamping apparatus and gain control apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Jan 1, 1991·16 cites·10 claims
- 2149US4994754ADigital FM demodulating apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Feb 19, 1991·10 cites·5 claims
- 2247US8949972B2Information recording device, recording medium, and information recording systemPANASONIC IP MAN CO LTD·Filed 2013·Granted Feb 3, 2015·0 cites·10 claims
- 2347US5255127ADigital modulated signal demodulator/decoder apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1991·Granted Oct 19, 1993·7 cites·8 claims
- 2447US4686583ADropout compensating apparatus using a digital delay circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1984·Granted Aug 11, 1987·9 cites·5 claims
- 2546US5953482AMagnetic recording/reproducing apparatus with the recording/reproducing heads preceding the erasing headsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Sep 14, 1999·7 cites·5 claims
- 2643US5991108ARecording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Nov 23, 1999·5 cites·13 claims
- 2742US5535244ADigital modulating/demodulating apparatus and a digital demodulating apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jul 9, 1996·15 cites·19 claims
- 2838USRE39029EMagnetic recording/reproducing apparatus with the recording/reproducing heads preceding the erasing headsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Mar 21, 2006·0 cites·5 claims
- 2931US5299003ASignal processing apparatus for changing the frequency characteristics of an input signalMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Mar 29, 1994·3 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →