Inventor
SHIMANO HIROKI
JP59 patents
⚠️ This page may combine multiple inventors who share the name “SHIMANO HIROKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
31 patentsUS6449204B1Sep 10, 2002
Dynamic semiconductor memory device capable of rearranging data storage from a one bit/one cell scheme in a normal mode to a one bit/two cell scheme in a twin-cell mode for lengthening a refresh interval
MITSUBISHI ELECTRIC CORP190 citations99
US6452859B1Sep 17, 2002
Dynamic semiconductor memory device superior in refresh characteristics
MITSUBISHI ELECTRIC CORP122 citations98
US6414890B2Jul 2, 2002
Semiconductor memory device capable of reliably performing burn-in test at wafer level
MITSUBISHI ELECTRIC CORP64 citations96
US6400625B2Jun 4, 2002
Semiconductor integrated circuit device capable of performing operational test for contained memory core at operating frequency higher than that of memory tester
MITSUBISHI ELECTRIC CORP66 citations96
US6388929B1May 14, 2002
Semiconductor memory device performing redundancy repair based on operation test and semiconductor integrated circuit device having the same
MITSUBISHI ELECTRIC CORP71 citations96
US6067260AMay 23, 2000
Synchronous semiconductor memory device having redundant circuit of high repair efficiency and allowing high speed access
MITSUBISHI ELECTRIC CORP69 citations96
US5164806ANov 17, 1992
Element isolating structure of semiconductor device suitable for high density integration
MITSUBISHI ELECTRIC CORP68 citations96
US6646944B2Nov 11, 2003
Semiconductor memory device
MITSUBISHI ELECTRIC CORP28 citations93
US6636454B2Oct 21, 2003
Low-power consumption semiconductor memory device
MITSUBISHI ELECTRIC CORP28 citations93
US6608795B2Aug 19, 2003
Semiconductor device including memory with reduced current consumption
MITSUBISHI ELECTRIC CORP17 citations93
US6545926B2Apr 8, 2003
Antifuse address detecting circuit programmable by applying a high voltage and semiconductor integrated circuit device provided with the same
MITSUBISHI ELECTRIC CORP23 citations93
US6486493B2Nov 26, 2002
Semiconductor integrated circuit device having hierarchical test interface circuit
MITSUBISHI ELECTRIC CORP21 citations93
US6483139B1Nov 19, 2002
Semiconductor memory device formed on semiconductor substrate
MITSUBISHI ELECTRIC CORP21 citations93
US6477108B2Nov 5, 2002
Semiconductor device including memory with reduced current consumption
MITSUBISHI ELECTRIC CORP16 citations93
US6456560B2Sep 24, 2002
Semiconductor integrated circuit device with test interface circuit for performing test on embedded memory from outside
MITSUBISHI ELECTRIC CORP23 citations93
US6418075B2Jul 9, 2002
Semiconductor merged logic and memory capable of preventing an increase in an abnormal current during power-up
MITSUBISHI ELECTRIC CORP58 citations93
US6404684B2Jun 11, 2002
Test interface circuit and semiconductor integrated circuit device including the same
MITSUBISHI ELECTRIC CORP35 citations93
US6331956B1Dec 18, 2001
Synchronous semiconductor memory device having redundant circuit of high repair efficiency and allowing high speed access
MITSUBISHI ELECTRIC CORP23 citations93
US6178122B1Jan 23, 2001
Boosted-voltage drive circuit operable with high reliability and semiconductor memory device employing the same
MITSUBISHI ELECTRIC CORP31 citations93
US6163488ADec 19, 2000
Semiconductor device with antifuse
MITSUBISHI ELECTRIC CORP43 citations93
US6459113B1Oct 1, 2002
Semiconductor integrated circuit device and method of manufacturing the same, and cell size calculation method for DRAM memory cells
MITSUBISHI ELECTRIC CORP39 citations92
US6573613B2Jun 3, 2003
Semiconductor memory device having cell plate electrodes allowing independent power supply for each redundant replacement unit
MITSUBISHI ELECTRIC CORP17 citations84
US6058053AMay 2, 2000
Semiconductor memory device capable of high speed operation and including redundant cells
MITSUBISHI ELECTRIC CORP19 citations84
US6597599B2Jul 22, 2003
Semiconductor memory
MITSUBISHI ELECTRIC CORP10 citations74
US6429495B2Aug 6, 2002
Semiconductor device with address programming circuit
MITSUBISHI ELECTRIC CORP6 citations74
US6377483B1Apr 23, 2002
Semiconductor memory device having improved memory cell and bit line pitch
MITSUBISHI ELECTRIC CORP10 citations74
US6327195B2Dec 4, 2001
Boosted-voltage drive circuit operable with high reliability and semiconductor memory device employing the same
MITSUBISHI ELECTRIC CORP9 citations74
US5268321ADec 7, 1993
Method of making DRAM cell having improved radiation protection
MITSUBISHI ELECTRIC CORP7 citations74
US5249215ASep 28, 1993
X-ray exposure system with curved reflecting mirrors
MITSUBISHI ELECTRIC CORP9 citations74
US4702797AOct 27, 1987
Method of manufacturing semiconductor memory device
MITSUBISHI ELECTRIC CORP16 citations74
US6590511B2Jul 8, 2003
Retrievable memory capable of outputting a piece of data with respect to a plurality of results of retrieve
MITSUBISHI ELECTRIC CORP2 citations63
RENESAS TECH CORP
14 patentsUS7139208B2Nov 21, 2006
Refresh-free dynamic semiconductor memory device
RENESAS TECH CORP40 citations96
US6785157B2Aug 31, 2004
Semiconductor memory device having a memory cell structure of reduced occupying area
RENESAS TECH CORP55 citations96
US7738312B2Jun 15, 2010
Semiconductor memory device
RENESAS TECH CORP53 citations94
US7626883B2Dec 1, 2009
Semiconductor memory device
RENESAS TECH CORP21 citations93
US7046543B2May 16, 2006
Semiconductor memory device with improved data retention characteristics
RENESAS TECH CORP13 citations93
US6925022B2Aug 2, 2005
Refresh-free dynamic semiconductor memory device
RENESAS TECH CORP36 citations93
US6909658B2Jun 21, 2005
Semiconductor memory device with row selection control circuit
RENESAS TECH CORP20 citations93
US6898137B2May 24, 2005
Semiconductor memory device with high-speed sense amplifier
RENESAS TECH CORP26 citations93
US6807077B2Oct 19, 2004
Content addressable memory capable of stably storing ternary data
RENESAS TECH CORP52 citations93
US6781915B2Aug 24, 2004
Semiconductor memory device
RENESAS TECH CORP48 citations93
US7480168B2Jan 20, 2009
Semiconductor memory device
RENESAS TECH CORP11 citations84
US7248495B2Jul 24, 2007
Semiconductor memory device
RENESAS TECH CORP8 citations74
US6804164B2Oct 12, 2004
Low-power consumption semiconductor memory device
RENESAS TECH CORP12 citations74
US6980454B2Dec 27, 2005
Low-power consumption semiconductor memory device
RENESAS TECH CORP4 citations63
SHIMANO HIROKI
2 patentsRENESAS ELECTRONICS CORP
2 patentsRENESES TECHNOLOGY CORP
1 patentShowing the top 50 of 59 patents by PatentIndex Score.