Inventor · disambiguated record
Takeshi Sakata
Also filed as: SAKATA TAKESHI
181 granted patents·16 pending applications·4,100 citations·filing 1991–2023
99Inventor score
Files withHITACHI LTD137RENESAS TECH CORP30ELPIDA MEMORY INC10HITACHI ULSI SYS CO LTD5MITSUBISHI TANABE PHARMA CORP4
Top patents by PatentIndex Score
197 records- 0199US5583457ASemiconductor integrated circuit device having power reduction mechanismHITACHI LTD·Filed 1994·Granted Dec 10, 1996·251 cites·71 claims
- 0298US7078273B2Semiconductor memory cell and method of forming sameHITACHI LTD·Filed 2004·Granted Jul 18, 2006·130 cites·19 claims
- 0398US5724297ASemiconductor integrated circuit device and method of activating the sameHITACHI LTD·Filed 1996·Granted Mar 3, 1998·138 cites·40 claims
- 0498US5539279AFerroelectric memoryHITACHI LTD·Filed 1994·Granted Jul 23, 1996·218 cites·30 claims
- 0597US6740921B2Semiconductor memory cell and method of forming sameHITACHI LTD·Filed 2002·Granted May 25, 2004·108 cites·15 claims
- 0697US5614847ASemiconductor integrated circuit device having power reduction mechanismHITACHI LTD·Filed 1994·Granted Mar 25, 1997·140 cites·29 claims
- 0796US6563743B2Semiconductor device having dummy cells and semiconductor device having dummy cells for redundancyHITACHI LTD·Filed 2001·Granted May 13, 2003·69 cites·22 claims
- 0896US6560135B2Magnetic semiconductor memory apparatus and method of manufacturing the sameHITACHI LTD·Filed 2001·Granted May 6, 2003·94 cites·22 claims
- 0995US6339344B1Semiconductor integrated circuit deviceHITACHI LTD·Filed 2000·Granted Jan 15, 2002·79 cites·25 claims
- 1095US5408144ASemiconductor integrated circuits with power reduction mechanismHITACHI LTD·Filed 1994·Granted Apr 18, 1995·61 cites·30 claims
- 1194US7312640B2Semiconductor integrated circuit device having power reduction mechanismRENESAS TECH CORP·Filed 2005·Granted Dec 25, 2007·18 cites·6 claims
- 1294US7126868B2Semiconductor deviceHITACHI ULSI SYS CO LTD·Filed 2005·Granted Oct 24, 2006·25 cites·9 claims
- 1394US7116593B2Storage deviceHITACHI LTD·Filed 2002·Granted Oct 3, 2006·60 cites·12 claims
- 1493US7750668B2Semiconductor integrated circuit device having power reduction mechanismRENESAS TECH CORP·Filed 2007·Granted Jul 6, 2010·13 cites·7 claims
- 1593US6787835B2Semiconductor memoriesHITACHI LTD·Filed 2002·Granted Sep 7, 2004·63 cites·52 claims
- 1693US6687175B1Semiconductor deviceRENESAS TECH CORP·Filed 2000·Granted Feb 3, 2004·51 cites·22 claims
- 1793US6335901B1Semiconductor deviceHITACHI LTD·Filed 2000·Granted Jan 1, 2002·66 cites·38 claims
- 1893US5926430ASemiconductor integrated circuit device and method of activating the sameHITACHI LTD·Filed 1997·Granted Jul 20, 1999·52 cites·46 claims
- 1992US6222792B1Phase control circuit, semiconductor device and semiconductor memoryHITACHI LTD·Filed 2000·Granted Apr 24, 2001·62 cites·7 claims
- 2092US5880604ASemiconductor integrated circuit device having power reduction mechanismHITACHI LTD·Filed 1996·Granted Mar 9, 1999·79 cites·57 claims
- 2191US6949782B2Semiconductor memoriesHITACHI LTD·Filed 2004·Granted Sep 27, 2005·49 cites·17 claims
- 2291US6696865B2Semiconductor integrated circuit device having power reduction mechanismHITACHI LTD·Filed 2002·Granted Feb 24, 2004·32 cites·4 claims
- 2391US6407963B1Semiconductor memory device of DDR configuration having improvement in glitch immunityHITACHI LTD·Filed 2000·Granted Jun 18, 2002·64 cites·22 claims
- 2490US7286430B2Semiconductor deviceHITACHI LTD·Filed 2006·Granted Oct 23, 2007·14 cites·8 claims
- 2590US6862235B2Semiconductor device which is low in power and high in speed and is highly integratedHITACHI LTD·Filed 2003·Granted Mar 1, 2005·44 cites·20 claims
- 2689US7154788B2Semiconductor integrated circuit deviceELPIDA MEMORY INC·Filed 2004·Granted Dec 26, 2006·36 cites·13 claims
- 2789US6965533B2Semiconductor device which is low in power and high in speed and is highly integratedHITACHI LTD·Filed 2005·Granted Nov 15, 2005·18 cites·7 claims
- 2889US6958507B2Semiconductor memory pipeline bufferHITACHI LTD·Filed 2004·Granted Oct 25, 2005·46 cites·7 claims
- 2989US6570419B2Semiconductor integrated circuit having a clock recovery circuitHITACHI LTD·Filed 2001·Granted May 27, 2003·38 cites·8 claims
- 3089US6452858B1Semiconductor deviceHITACHI LTD·Filed 2000·Granted Sep 17, 2002·40 cites·11 claims
- 3189US6205086B1Phase control circuit, semiconductor device and semiconductor memoryHITACHI LTD·Filed 2000·Granted Mar 20, 2001·45 cites·18 claims
- 3288US7969765B2Sense amplifier for semiconductor memory deviceELPIDA MEMORY INC·Filed 2008·Granted Jun 28, 2011·11 cites·5 claims
- 3388US7436722B2Semiconductor deviceRENESAS TECH CORP·Filed 2007·Granted Oct 14, 2008·12 cites·10 claims
- 3488US7038961B2Semiconductor deviceHITACHI LTD·Filed 2004·Granted May 2, 2006·35 cites·17 claims
- 3588US6573586B2Semiconductor deviceHITACHI LTD·Filed 2002·Granted Jun 3, 2003·37 cites·8 claims
- 3688US6512714B2Semiconductor memory device equipped with dummy cellsHITACHI LTD·Filed 2001·Granted Jan 28, 2003·35 cites·18 claims
- 3787US7341892B2Semiconductor memory cell and method of forming sameHITACHI LTD·Filed 2006·Granted Mar 11, 2008·12 cites·6 claims
- 3887US7242627B2Semiconductor deviceHITACHI ULSI SYS CO LTD·Filed 2006·Granted Jul 10, 2007·11 cites·6 claims
- 3987US6621292B2Semiconductor integrated circuits with power reduction mechanismHITACHI LTD·Filed 2002·Granted Sep 16, 2003·27 cites·15 claims
- 4087US6570206B1Semiconductor deviceHITACHI LTD·Filed 2000·Granted May 27, 2003·45 cites·20 claims
- 4187US5521527ASemiconductor integrated circuits with power reduction mechanismHITACHI LTD·Filed 1995·Granted May 28, 1996·39 cites·46 claims
- 4286US7189918B2Electronic control unitNSK STEERING SYS CO LTD·Filed 2004·Granted Mar 13, 2007·33 cites·6 claims
- 4386US6754133B2Semiconductor deviceHITACHI LTD·Filed 2002·Granted Jun 22, 2004·33 cites·2 claims
- 4486US6477100B2Semiconductor memory device with over-driving sense amplifierHITACHI LTD·Filed 2001·Granted Nov 5, 2002·40 cites·20 claims
- 4585US7106123B2Semiconductor device with level converter having signal-level shifting block and signal-level determination blockRENESAS TECH CORP·Filed 2005·Granted Sep 12, 2006·11 cites·20 claims
- 4685US6862232B2Semiconductor deviceHITACHI LTD·Filed 2003·Granted Mar 1, 2005·22 cites·11 claims
- 4785US6483349B2Semiconductor integrated circuit deviceHITACHI LTD·Filed 2001·Granted Nov 19, 2002·37 cites·5 claims
- 4885US5828235ASemiconductor integrated circuit device having power reduction mechanismHITACHI LTD·Filed 1996·Granted Oct 27, 1998·34 cites·36 claims
- 4984US5600163ASemiconductor element and semiconductor memory device using the sameHITACHI LTD·Filed 1994·Granted Feb 4, 1997·32 cites·49 claims
- 5083US7582921B2Semiconductor device and method for patterningHITACHI LTD·Filed 2006·Granted Sep 1, 2009·6 cites·8 claims
Showing the top 50 of 197 patent records by PatentIndex Score.
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