Inventor · disambiguated record
Hirotaka Tamura
Also filed as: TAMURA HIROTAKA
102 granted patents·39 pending applications·1,593 citations·filing 1989–2025
99Inventor score
Top patents by PatentIndex Score
141 records- 0196US6900676B1Clock generator for generating accurate and low-jitter clockFUJITSU LTD·Filed 2003·Granted May 31, 2005·75 cites·16 claims
- 0296US6484268B2Signal transmission system having a timing adjustment circuitFUJITSU LTD·Filed 2001·Granted Nov 19, 2002·118 cites·19 claims
- 0394US6826390B1Receiver, transceiver circuit, signal transmission method, and signal transmission systemFUJITSU LTD·Filed 2000·Granted Nov 30, 2004·75 cites·35 claims
- 0494US6493394B2Signal transmission system for transmitting signals between lsi chips, receiver circuit for use in the signal transmission system, and semiconductor memory device applying the signal transmission systemFUJITSU LTD·Filed 2002·Granted Dec 10, 2002·91 cites·34 claims
- 0591US11714936B2Optimization apparatus, optimization method, and non-transitory computer-readable storage medium for storing optimization programFUJITSU LTD·Filed 2021·Granted Aug 1, 2023·3 cites·5 claims
- 0691US8300754B2Clock and data recovery with a data alignerNEDOVIC NIKOLA·Filed 2009·Granted Oct 30, 2012·17 cites·23 claims
- 0790US9191187B2Reception circuit and semiconductor integrated circuitFUJITSU LTD·Filed 2013·Granted Nov 17, 2015·13 cites·3 claims
- 0890US8258882B2Clock signal distributing deviceSHIBASAKI TAKAYUKI·Filed 2010·Granted Sep 4, 2012·12 cites·8 claims
- 0990US6812777B2Output circuit device for clock signal distribution in high-speed signal transmissionFUJITSU LTD·Filed 2002·Granted Nov 2, 2004·44 cites·24 claims
- 1090US6707727B2Timing signal generator for correctly transmitting a signal at high speed without waveform distortionFUJITSU LTD·Filed 2002·Granted Mar 16, 2004·47 cites·22 claims
- 1190US6247138B1Timing signal generating circuit, semiconductor integrated circuit device and semiconductor integrated circuit system to which the timing signal generating circuit is applied, and signal transmission systemFUJITSU LTD·Filed 1998·Granted Jun 12, 2001·172 cites·33 claims
- 1290US5623439AFerroelectric memory deviceFUJITSU LTD·Filed 1995·Granted Apr 22, 1997·90 cites·16 claims
- 1387US7496781B2Timing signal generating circuit with a master circuit and slave circuitsFUJITSU LTD·Filed 2002·Granted Feb 24, 2009·34 cites·28 claims
- 1486US6963237B2Output circuit device for clock signal distribution in high-speed signal transmissionFUJITSU LTD·Filed 2004·Granted Nov 8, 2005·30 cites·6 claims
- 1586US6400616B1Method of an apparatus for correctly transmitting signals at high speed without waveform distortionFUJITSU LTD·Filed 2000·Granted Jun 4, 2002·34 cites·41 claims
- 1685US7116744B2Clock recovery circuit and receiver circuit for improving the error rate of signal reproductionFUJITSU LTD·Filed 2001·Granted Oct 3, 2006·48 cites·56 claims
- 1782US7863987B2Clock signal generating and distributing apparatusFUJITSU LTD·Filed 2006·Granted Jan 4, 2011·12 cites·1 claims
- 1882US7822403B2Receiver, transceiver circuit, signal transmission method, and signal transmission systemFUJITSU LTD·Filed 2008·Granted Oct 26, 2010·6 cites·16 claims
- 1981US8989333B2Clock data recovery method and clock data recovery circuitFUJITSU LTD·Filed 2013·Granted Mar 24, 2015·7 cites·11 claims
- 2081US7991359B2Receiver, transceiver circuit, signal transmission method, and signal transmission systemFUJITSU LTD·Filed 2010·Granted Aug 2, 2011·4 cites·36 claims
- 2180US7940873B2Data reproduction circuitFUJITSU LTD·Filed 2006·Granted May 10, 2011·7 cites·5 claims
- 2280US7508892B2Receiver circuit comprising equalizerFUJITSU LTD·Filed 2005·Granted Mar 24, 2009·9 cites·13 claims
- 2380US7098699B2Buffer circuit device supplying a common mode voltage applicable to a next-stage circuit receiving output signals of the buffer circuit deviceFUJITSU LTD·Filed 2003·Granted Aug 29, 2006·30 cites·17 claims
- 2479US10929750B2Information processing apparatus, Ising device, and method for controlling information processing apparatusFUJITSU LTD·Filed 2017·Granted Feb 23, 2021·4 cites·7 claims
- 2579US8065553B2Phase interpolator for a timing signal generating circuitTAMURA HIROTAKA·Filed 2009·Granted Nov 22, 2011·8 cites·15 claims
- 2679US6157688ASignal transmission system for transmitting signals between LSI chips, receiver circuit for use in the signal transmission system, and semiconductor memory device applying the signal transmission systemFUJITSU LTD·Filed 1997·Granted Dec 5, 2000·81 cites·110 claims
- 2778US11461432B2Semiconductor integrated circuitFUJITSU LTD·Filed 2020·Granted Oct 4, 2022·1 cites·11 claims
- 2878US8319542B2Integrated circuit including bypass signal pathTAMURA HIROTAKA·Filed 2006·Granted Nov 27, 2012·10 cites·10 claims
- 2978US7973691B2Data recovery circuit, data recovery method and data receiving apparatusFUJITSU LTD·Filed 2009·Granted Jul 5, 2011·7 cites·15 claims
- 3078US6898742B2System and method for automatic deskew across a high speed, parallel interconnectionFUJITSU LTD·Filed 2002·Granted May 24, 2005·24 cites·23 claims
- 3178US6166971AMethod of and apparatus for correctly transmitting signals at high speed without waveform distortionFUJITSU LTD·Filed 1999·Granted Dec 26, 2000·80 cites·24 claims
- 3277US11422515B2Optimization device and method for controlling optimization deviceFUJITSU LTD·Filed 2020·Granted Aug 23, 2022·1 cites·5 claims
- 3377US7389097B2Receiver, transceiver circuit, signal transmission method, and signal transmission systemFUJITSU LTD·Filed 2004·Granted Jun 17, 2008·16 cites·11 claims
- 3476US10409322B2Clock generating circuit, serial-parallel conversion circuit, and information processing deviceFUJITSU LTD·Filed 2018·Granted Sep 10, 2019·4 cites·20 claims
- 3576US7173965B2Equalizing a signal for transmissionFUJITSU LTD·Filed 2003·Granted Feb 6, 2007·19 cites·20 claims
- 3675US6498511B2Receiver, hybrid circuit, driver circuit, and signal transmission system for bidirectional signal transmission for carrying out such signal transmission in both directions simultaneouslyFUJITSU LTD·Filed 2001·Granted Dec 24, 2002·18 cites·22 claims
- 3774US7173466B2Timing signal generating circuit having simple configuration with low supply voltage and generating timing signals with high accuracyFUJITSU LTD·Filed 2003·Granted Feb 6, 2007·18 cites·41 claims
- 3873US6756817B2Receiver, hybrid circuit, driver circuit, and signal transmission system for bidirectional signal transmission for carrying out such signal transmission in both directions simultaneouslyFUJITSU LTD·Filed 2002·Granted Jun 29, 2004·15 cites·38 claims
- 3973US6418500B1Feedback control for termination adjustmentFUJITSU LTD·Filed 1999·Granted Jul 9, 2002·68 cites·17 claims
- 4073US6191441B1Ferroelectric memory device and its drive methodFUJITSU LTD·Filed 1998·Granted Feb 20, 2001·33 cites·20 claims
- 4172US11188044B2Optimization device and control method of optimization deviceFUJITSU LTD·Filed 2019·Granted Nov 30, 2021·2 cites·9 claims
- 4271US9160403B2Signal transmission circuit, signal transmission system, and signal transmission methodFUJITSU LTD·Filed 2013·Granted Oct 13, 2015·3 cites·6 claims
- 4371US7990294B2Parallel-serial conversion circuit and data receiving systemFUJITSU LTD·Filed 2009·Granted Aug 2, 2011·7 cites·16 claims
- 4471US5291274AElectron device having a current channel of dielectric materialFUJITSU LTD·Filed 1991·Granted Mar 1, 1994·33 cites·40 claims
- 4568US8010825B2Jitter reduction circuitFUJITSU LTD·Filed 2007·Granted Aug 30, 2011·5 cites·13 claims
- 4667US8204153B2Clock recovery circuit and data receiving circuitYAMAGUCHI HISAKATSU·Filed 2009·Granted Jun 19, 2012·5 cites·27 claims
- 4767US7786785B2Peaking control circuitFUJITSU LTD·Filed 2008·Granted Aug 31, 2010·5 cites·11 claims
- 4867US7653169B2Timing adjustment for data transmitting/receiving circuitFUJITSU LTD·Filed 2006·Granted Jan 26, 2010·3 cites·18 claims
- 4967US2025148300A1Computer-readable recording medium storing program, data processing method, and data processing apparatusFUJITSU LTD·Filed 2024·Application pending·0 cites
- 5066US8238504B2Clock generation circuit and systemTOMITA YASUMOTO·Filed 2009·Granted Aug 7, 2012·6 cites·15 claims
Showing the top 50 of 141 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →