Inventor · disambiguated record
Hirohisa Yamaguchi
Also filed as: YAMAGUCHI HIROHISA
48 granted patents·5 pending applications·1,394 citations·filing 1978–2009
99Inventor score
Files withTEXAS INSTRUMENTS INC23TEAC CORP18KOKUSAI DENSHIN DENWA CO LTD6UNISYS CORP2ALPINE ELECTRONICS INC1
Top patents by PatentIndex Score
53 records- 0197US7327385B2Home picture/video display system with ultra wide-band technologyTEXAS INSTRUMENTS INC·Filed 2003·Granted Feb 5, 2008·179 cites·25 claims
- 0296US4827339AMoving picture signal transmission systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1986·Granted May 2, 1989·147 cites·1 claims
- 0395US4224642APCM Recording and reproducing method providing for dropout compensationTEAC CORP·Filed 1978·Granted Sep 23, 1980·66 cites·15 claims
- 0494US7184485B2Time-domain windowing of multi-band OFDM system to enable spectral sculptingTEXAS INSTRUMENTS INC·Filed 2005·Granted Feb 27, 2007·32 cites·25 claims
- 0594US7092537B1Digital self-adapting graphic equalizer and methodTEXAS INSTRUMENTS INC·Filed 2000·Granted Aug 15, 2006·84 cites·22 claims
- 0692US7110782B2Cell search synchronizationTEXAS INSTRUMENTS INC·Filed 2002·Granted Sep 19, 2006·50 cites·10 claims
- 0791US7099270B2Multi-path equalization for orthogonal frequency division multiplexing communication systemTEXAS INSTRUMENTS INC·Filed 2002·Granted Aug 29, 2006·75 cites·21 claims
- 0886US4672442AFrame rate conversion system in television signalKOKUSAI DENSHIN DENWA CO LTD·Filed 1985·Granted Jun 9, 1987·54 cites·2 claims
- 0985US4695882AMovement estimation system for video signals using a recursive gradient methodKOKUSAI DENSHIN DENWA CO LTD·Filed 1985·Granted Sep 22, 1987·80 cites·4 claims
- 1081US7668265B2Ultra wideband interference cancellation for orthogonal frequency division multiplex transmitters by protection-edge tonesTEXAS INSTRUMENTS INC·Filed 2005·Granted Feb 23, 2010·7 cites·7 claims
- 1177US5786857AImage processing systemTEXAS INSTRUMENTS INC·Filed 1997·Granted Jul 28, 1998·57 cites·8 claims
- 1275US8472555B2Ultra wideband interference cancellation for orthogonal frequency division multiplex transmitters by protection-edge tonesBALAKRISHNAN JAIGANESH·Filed 2009·Granted Jun 25, 2013·4 cites·19 claims
- 1375US7573960B2Narrow band interference cancellation technique for OFDM transmittersTEXAS INSTRUMENTS INC·Filed 2006·Granted Aug 11, 2009·6 cites·2 claims
- 1475US6236763B1Method and apparatus for removing noise artifacts in decompressed video signalsTEXAS INSTRUMENTS INC·Filed 1998·Granted May 22, 2001·53 cites·24 claims
- 1572US6947952B1Method for generating unique object indentifiers in a data abstraction layer disposed between first and second DBMS software in response to parent thread performing client applicationUNISYS CORP·Filed 2000·Granted Sep 20, 2005·23 cites·17 claims
- 1672US6188714B1Parallel M-sequence generator circuitTEXAS INSTRUMENTS INC·Filed 1998·Granted Feb 13, 2001·37 cites·21 claims
- 1771US6687376B1High-speed long code generation with arbitrary delayTEXAS INSTRUMENTS INC·Filed 1998·Granted Feb 3, 2004·35 cites·20 claims
- 1870US6801588B1Combined channel and entropy decodingTEXAS INSTRUMENTS INC·Filed 2000·Granted Oct 5, 2004·17 cites·2 claims
- 1970US4757488ARotation control apparatus for constant linear velocity system information recording discTEAC CORP·Filed 1986·Granted Jul 12, 1988·17 cites·9 claims
- 2070US4536745ASampling frequency conversion deviceKOKUSAI DENSHIN DENWA CO LTD·Filed 1983·Granted Aug 20, 1985·16 cites·2 claims
- 2168US5838967AImage filing apparatus and method for storing image data and directory informationTEAC CORP·Filed 1994·Granted Nov 17, 1998·34 cites·10 claims
- 2266US5335081AMultiple display presentation system capable of sequencing prerecorded scenes for joint reproductionTEAC CORP·Filed 1993·Granted Aug 2, 1994·29 cites·5 claims
- 2365US6272661B1Minimum memory implementation of high speed viterbi decoderTEXAS INSTRUMENTS INC·Filed 1998·Granted Aug 7, 2001·25 cites·26 claims
- 2465US5146369AData copying method for disk storage mediumTEAC CORP·Filed 1991·Granted Sep 8, 1992·15 cites·8 claims
- 2563US6697492B1Digital signal processing acoustic speaker systemTEXAS INSTRUMENTS INC·Filed 1999·Granted Feb 24, 2004·25 cites·7 claims
- 2663US4639778AEmbedding quantization system for vector signalsKOKUSAI DENSHIN DENWA CO LTD·Filed 1984·Granted Jan 27, 1987·14 cites·7 claims
- 2762US7542846B2Navigation system utilizing XML/SVG map data converted from geographic map data and layered structure of XML/SVG map data based on administrative regionsALPINE ELECTRONICS INC·Filed 2006·Granted Jun 2, 2009·4 cites·18 claims
- 2861US5511155AMethod and device for synthesizing all-objects-in-focus imagesTEXAS INSTRUMENTS INC·Filed 1994·Granted Apr 23, 1996·26 cites·3 claims
- 2961US4803677ARotary recording medium having a guide track and recording and reproducing apparatus thereforTEAC CORP·Filed 1986·Granted Feb 7, 1989·13 cites·8 claims
- 3060US5815602ADCT image compression and motion compensation using the hadamard transformTEXAS INSTRUMENTS INC·Filed 1995·Granted Sep 29, 1998·31 cites·10 claims
- 3160US5172242AVisual presentation system employing two or more video disk players for providing as many correlated imagesTEAC CORP·Filed 1991·Granted Dec 15, 1992·16 cites·8 claims
- 3257US6249551B1Video playback method and system for reducing access delayTEXAS INSTRUMENTS INC·Filed 1996·Granted Jun 19, 2001·20 cites·7 claims
- 3354US7388899B2Spreading code structure for ultra wide band communicationsTEXAS INSTRUMENTS INC·Filed 2003·Granted Jun 17, 2008·2 cites·9 claims
- 3451US5878173APipeline image processing method and device for computing image block on half-gridTEXAS INSTRUMENTS INC·Filed 1996·Granted Mar 2, 1999·15 cites·13 claims
- 3548US4841504AMethod and apparatus for recording an information signal on a rotary recording mediumTEAC CORP·Filed 1987·Granted Jun 20, 1989·7 cites·9 claims
- 3647US2008159376A1Receiver with Decision-Feedback Fading CancellerTEXAS INSTRUMENTS INC·Filed 2007·Application pending·0 cites
- 3746US4754339AInformation recording disc pre-recorded with address and pseudo address signalsTEAC CORP·Filed 1986·Granted Jun 28, 1988·8 cites·10 claims
- 3844US5140425AVisual presentation system providing for a wiping change from one scene to anotherTEAC CORP·Filed 1991·Granted Aug 18, 1992·10 cites·8 claims
- 3944US4805164ADisc inclination detecting apparatusTEAC CORP·Filed 1987·Granted Feb 14, 1989·5 cites·9 claims
- 4043US5765160AObject-oriented database, a method for registering triggers for processing at end of a transactionUNISYS CORP·Filed 1996·Granted Jun 9, 1998·10 cites·16 claims
- 4143US4849954ADisc attitude variation detecting apparatusTEAC CORP·Filed 1987·Granted Jul 18, 1989·5 cites·14 claims
- 4243US2004156421A1Coding and receiver structure for ultra wide band communicationsFiled 2003·Application pending·0 cites
- 4342US6480503B1Turbo-coupled multi-code multiplex data transmission for CDMATEXAS INSTRUMENTS INC·Filed 1999·Granted Nov 12, 2002·16 cites·22 claims
- 4441US4933925AOptical tracking control apparatus for controlling a tracking of a light beam which scans an information recording disc using pre-formatted guide tracks having an interrupted signal formatTEAC CORP·Filed 1986·Granted Jun 12, 1990·5 cites·7 claims
- 4540US2005245199A1Scalable, cooperative, wireless networking for mobile connectivityTEXAS INSTRUMENTS INC·Filed 2005·Application pending·0 cites
- 4638US5084836AParallel signal processing systemKOKUSAI DENSHIN DENWA CO LTD·Filed 1989·Granted Jan 28, 1992·8 cites·2 claims
- 4738US4864423AInformation recording disc and information signal recording apparatus thereforTEAC CORP·Filed 1988·Granted Sep 5, 1989·4 cites·6 claims
- 4838US4802159AInformation recording disc and information signal recording apparatus thereforTEAC CORP·Filed 1986·Granted Jan 31, 1989·4 cites·6 claims
- 4937US2002046011A1Blind system identification methodFiled 2001·Application pending·0 cites
- 5036US2002003573A1Processing apparatus, image recording apparatus and image reproduction apparatusTEAC CORP·Filed 2001·Application pending·0 cites
Showing the top 50 of 53 patent records by PatentIndex Score.
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