Inventor · disambiguated record
Takefumi Yoshikawa
Also filed as: YOSHIKAWA TAKEFUMI
28 granted patents·4 pending applications·519 citations·filing 1993–2008
97Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD23PANASONIC CORP3YOSHIKAWA TAKEFUMI2MATSUSHITA ELECETRIC IND CO LT1MITSUBISHI CHEM CORP1
Top patents by PatentIndex Score
32 records- 0197US7030688B2Low-pass filter for a PLL, phase-locked loop and semiconductor integrated circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Apr 18, 2006·97 cites·43 claims
- 0287US6157229ASkew compensation deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Dec 5, 2000·65 cites·5 claims
- 0381US6392462B2Multiphase clock generator and selector circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted May 21, 2002·32 cites·8 claims
- 0477US6735710B1Clock extraction deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted May 11, 2004·24 cites·11 claims
- 0576US6393520B2Data processor and data processing system with internal memoriesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted May 21, 2002·46 cites·13 claims
- 0673US5575851ADie coaterMITSUBISHI CHEM CORP·Filed 1993·Granted Nov 19, 1996·34 cites·8 claims
- 0770US6151268ASemiconductor memory and memory systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Nov 21, 2000·29 cites·15 claims
- 0869US6853223B2Phase comparator and clock recovery circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Feb 8, 2005·13 cites·10 claims
- 0969US6199150B1Data memory apparatus forming memory map having areas with different access speedsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Mar 6, 2001·56 cites·8 claims
- 1068US6686779B2Driver circuit for differentially outputting data from internal circuitry of an LSI to outside the LSIMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Feb 3, 2004·10 cites·10 claims
- 1166US7298130B2Signal detectorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Nov 20, 2007·12 cites·10 claims
- 1262US6198415B1Serial-to-parallel converterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Mar 6, 2001·22 cites·12 claims
- 1361US7397268B2Receiver circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2007·Granted Jul 8, 2008·1 cites·9 claims
- 1460US7970092B2Phase comparator and regulation circuitPANASONIC CORP·Filed 2006·Granted Jun 28, 2011·4 cites·23 claims
- 1559US6323756B1Data transmitterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Nov 27, 2001·15 cites·13 claims
- 1657US7233215B2Frequency modulation circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jun 19, 2007·4 cites·11 claims
- 1757US6690217B2Data width correctorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Feb 10, 2004·2 cites·8 claims
- 1856US7535985B2Resynchronization circuitPANASONIC CORP·Filed 2005·Granted May 19, 2009·4 cites·20 claims
- 1956US7372380B2Data transmitting/receiving deviceMATSUSHITA ELECETRIC IND CO LT·Filed 2004·Granted May 13, 2008·6 cites·14 claims
- 2055US7176708B2Receiver circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Feb 13, 2007·2 cites·8 claims
- 2154US7675314B2Receiver circuitPANASONIC CORP·Filed 2008·Granted Mar 9, 2010·0 cites·6 claims
- 2253US7136441B2Clock recovery circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Nov 14, 2006·6 cites·5 claims
- 2352US8301093B2Receiver circuit and data transmission systemYOSHIKAWA TAKEFUMI·Filed 2008·Granted Oct 30, 2012·1 cites·17 claims
- 2449US6829316B1Input circuit and output circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Dec 7, 2004·10 cites·6 claims
- 2549US2004145392A1Driver circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Application pending·0 cites
- 2644US7016423B2Driver circuit and data communication deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Mar 21, 2006·0 cites·9 claims
- 2744US2006129318A1Symbol position detection device and symbol position detection methodMIZUGUCHI YUJI·Filed 2003·Application pending·0 cites
- 2843US5399196ADie coaterMITSUBISHI CHEM IND·Filed 1993·Granted Mar 21, 1995·10 cites·6 claims
- 2942US7149267B2Input circuit and output circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Dec 12, 2006·2 cites·5 claims
- 3042US2007041483A1Clock recovery circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Application pending·0 cites
- 3141US6542552B1Data transmitterMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Apr 1, 2003·12 cites·5 claims
- 3239US2010283525A1Phase control device and data communication system using itYOSHIKAWA TAKEFUMI·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →