Inventor · disambiguated record
Riichiro Takemura
Also filed as: TAKEMURA RIICHIRO
134 granted patents·18 pending applications·1,858 citations·filing 1999–2014
99Inventor score
Files withHITACHI LTD71RENESAS TECH CORP27ELPIDA MEMORY INC24KAWAHARA TAKAYUKI6RENESAS ELECTRONICS CORP4
Top patents by PatentIndex Score
152 records- 0198US7759714B2Semiconductor deviceHITACHI LTD·Filed 2007·Granted Jul 20, 2010·121 cites·15 claims
- 0297US7859889B2Semiconductor memory deviceRENESAS ELECTRONICS CORP·Filed 2008·Granted Dec 28, 2010·56 cites·6 claims
- 0397US7489552B2Semiconductor integrated circuit deviceRENESAS TECH CORP·Filed 2006·Granted Feb 10, 2009·60 cites·6 claims
- 0497US7468901B2Semiconductor memory deviceRENESAS TECH CORP·Filed 2006·Granted Dec 23, 2008·72 cites·17 claims
- 0595US9257483B2Magnetic memory, method of manufacturing the same, and method of driving the sameISHIGAKI TAKASHI·Filed 2011·Granted Feb 9, 2016·37 cites·12 claims
- 0695US7603592B2Semiconductor device having a sense amplifier array with adjacent ECCHITACHI LTD·Filed 2006·Granted Oct 13, 2009·50 cites·14 claims
- 0795US7474550B2Dynamic RAM-and semiconductor deviceELPIDA MEMORY INC·Filed 2007·Granted Jan 6, 2009·23 cites·12 claims
- 0895US7123535B2Semiconductor integrated circuit deviceRENESAS TECH CORP·Filed 2004·Granted Oct 17, 2006·80 cites·30 claims
- 0995US7098478B2Semiconductor memory device using vertical-channel transistorsRENESAS TECH CORP·Filed 2005·Granted Aug 29, 2006·33 cites·20 claims
- 1095US6670642B2Semiconductor memory device using vertical-channel transistorsRENESAS TECH CORP·Filed 2002·Granted Dec 30, 2003·83 cites·23 claims
- 1194US7206216B2Semiconductor device with a non-erasable memory and/or a nonvolatile memoryRENESAS TECH CORP·Filed 2005·Granted Apr 17, 2007·33 cites·26 claims
- 1292US7596014B2Semiconductor deviceHITACHI LTD·Filed 2007·Granted Sep 29, 2009·20 cites·11 claims
- 1392US7304910B1Semiconductor memory device with sub-amplifiers having a variable current sourceHITACHI LTD·Filed 2006·Granted Dec 4, 2007·23 cites·11 claims
- 1491US7574648B2Semiconductor deviceHITACHI LTD·Filed 2005·Granted Aug 11, 2009·28 cites·19 claims
- 1591US7224629B2Memory device having high speed sense amplifier comprising pull-up circuit and pull-down circuits with different drivability for eachHITACHI LTD·Filed 2005·Granted May 29, 2007·18 cites·15 claims
- 1691US6501672B1Dynamic random access memory (DRAM) capable of canceling out complementary noise developed in plate electrodes of memory cell capacitorsHITACHI LTD·Filed 2000·Granted Dec 31, 2002·40 cites·20 claims
- 1790US7489588B2Semiconductor memory device having a main amplifier equipped with a current control circuit in a burst read operationHITACHI LTD·Filed 2007·Granted Feb 10, 2009·18 cites·8 claims
- 1889US8199596B2Semiconductor memory device having a plurality of sense amplifier circuitsAKIYAMA SATORU·Filed 2010·Granted Jun 12, 2012·10 cites·19 claims
- 1989US7154788B2Semiconductor integrated circuit deviceELPIDA MEMORY INC·Filed 2004·Granted Dec 26, 2006·36 cites·13 claims
- 2088US7969765B2Sense amplifier for semiconductor memory deviceELPIDA MEMORY INC·Filed 2008·Granted Jun 28, 2011·11 cites·5 claims
- 2188US7835171B2Semiconductor memory deviceHITACHI LTD·Filed 2008·Granted Nov 16, 2010·16 cites·18 claims
- 2288US7038961B2Semiconductor deviceHITACHI LTD·Filed 2004·Granted May 2, 2006·35 cites·17 claims
- 2387US7492655B2Memory device having high speed sense amplifier comprising pull-up circuit and pull-down circuits with drivability for eachHITACHI LTD·Filed 2007·Granted Feb 17, 2009·13 cites·10 claims
- 2487US7443718B2Magnetic memory deviceHITACHI LTD·Filed 2006·Granted Oct 28, 2008·18 cites·19 claims
- 2587US7193884B2Semiconductor memory deviceELPIDA MEMORY INC·Filed 2005·Granted Mar 20, 2007·12 cites·23 claims
- 2686US7495943B2Semiconductor memory deviceHITACHI LTD·Filed 2007·Granted Feb 24, 2009·12 cites·8 claims
- 2786US6477100B2Semiconductor memory device with over-driving sense amplifierHITACHI LTD·Filed 2001·Granted Nov 5, 2002·40 cites·20 claims
- 2885US7903449B2Semiconductor memory deviceELPIDA MEMORY INC·Filed 2009·Granted Mar 8, 2011·11 cites·20 claims
- 2985US6621110B1Semiconductor intergrated circuit device and a method of manufacture thereofHITACHI LTD·Filed 2000·Granted Sep 16, 2003·34 cites·5 claims
- 3084US8102695B2Semiconductor deviceONO KAZUO·Filed 2009·Granted Jan 24, 2012·14 cites·19 claims
- 3184US7742330B2Semiconductor deviceRENESAS TECH CORP·Filed 2005·Granted Jun 22, 2010·10 cites·11 claims
- 3284US7289346B2Semiconductor integrated circuitELPIDA MEMORY INC·Filed 2006·Granted Oct 30, 2007·7 cites·10 claims
- 3384US6373776B2Dynamic ram and semiconductor deviceHITACHI LTD·Filed 2001·Granted Apr 16, 2002·21 cites·7 claims
- 3484US6370054B1Dynamic RAM and semiconductor deviceHITACHI LTD·Filed 2000·Granted Apr 9, 2002·21 cites·17 claims
- 3584US6341088B2Dynamic random access memory in switch MOSFETs between sense amplifiers and bit linesHITACHI LTD·Filed 2000·Granted Jan 22, 2002·28 cites·5 claims
- 3683US7345938B2Semiconductor deviceRENESAS TECH CORP·Filed 2007·Granted Mar 18, 2008·6 cites·6 claims
- 3783US7257034B2Semiconductor integrated circuit deviceELPIDA MEMORY INC·Filed 2006·Granted Aug 14, 2007·10 cites·6 claims
- 3883US7239562B2Semiconductor deviceRENESAS TECH CORP·Filed 2005·Granted Jul 3, 2007·12 cites·20 claims
- 3983US6426889B2Semiconductor integrated circuitHITACHI LTD·Filed 2001·Granted Jul 30, 2002·20 cites·19 claims
- 4082US7310256B2Semiconductor memory deviceHITACHI LTD·Filed 2005·Granted Dec 18, 2007·8 cites·21 claims
- 4182US6992343B2Semiconductor memory deviceELPIDA MEMORY INC·Filed 2004·Granted Jan 31, 2006·25 cites·18 claims
- 4282US6639822B2Dynamic ram-and semiconductor deviceHITACHI LTD·Filed 2003·Granted Oct 28, 2003·18 cites·2 claims
- 4381US7821804B2Semiconductor integrated circuitELPIDA MEMORY INC·Filed 2007·Granted Oct 26, 2010·5 cites·9 claims
- 4481US7706208B2Semiconductor memory deviceHITACHI LTD·Filed 2009·Granted Apr 27, 2010·8 cites·7 claims
- 4581US6809364B2Semiconductor integrated circuit device and a method of manufacture thereofHITACHI LTD·Filed 2003·Granted Oct 26, 2004·24 cites·6 claims
- 4681US6400596B2Semiconductor memory device using open data line arrangementHITACHI LTD·Filed 2000·Granted Jun 4, 2002·22 cites·30 claims
- 4780US7933141B2Semiconductor memory deviceELPIDA MEMORY INC·Filed 2009·Granted Apr 26, 2011·12 cites·28 claims
- 4880US7372726B2Semiconductor memoryRENESAS TECH CORP·Filed 2005·Granted May 13, 2008·11 cites·22 claims
- 4980US7173838B2Content addressable memory deviceHITACHI LTD·Filed 2005·Granted Feb 6, 2007·12 cites·10 claims
- 5079US8427864B2Semiconductor storage deviceKAWAHARA TAKAYUKI·Filed 2010·Granted Apr 23, 2013·7 cites·9 claims
Showing the top 50 of 152 patent records by PatentIndex Score.
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