Inventor
ATSUMI SHIGERU
JP126 patents
⚠️ This page may combine multiple inventors who share the name “ATSUMI SHIGERU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
49 patentsUS6052313AApr 18, 2000
Semiconductor integrated circuit device
TOSHIBA KK92 citations99
US5600592AFeb 4, 1997
Nonvolatile semiconductor memory device having a word line to which a negative voltage is applied
TOSHIBA KK90 citations97
US5438542AAug 1, 1995
Nonvolatile semiconductor memory device
TOSHIBA KK83 citations97
US5392253AFeb 21, 1995
Nonvolatile semiconductor memory device having row decoder supplying a negative potential to word lines during erase mode
TOSHIBA KK82 citations97
US7180796B2Feb 20, 2007
Boosted voltage generating circuit and semiconductor memory device having the same
TOSHIBA KK31 citations96
US6650570B2Nov 18, 2003
Non-volatile semiconductor memory
TOSHIBA KK68 citations96
US6605986B2Aug 12, 2003
Boosted voltage generating circuit and semiconductor memory device having the same
TOSHIBA KK41 citations96
US6498761B2Dec 24, 2002
Power supply circuit and semiconductor memory device having the same
TOSHIBA KK43 citations96
US6429725B1Aug 6, 2002
Pump circuit with active-mode and stand-by mode booster circuits
TOSHIBA KK59 citations96
US6356499B1Mar 12, 2002
Power supply circuit and semiconductor memory device having the same
TOSHIBA KK55 citations96
US6320428B1Nov 20, 2001
Semiconductor integrated circuit device
TOSHIBA KK72 citations96
US6222774B1Apr 24, 2001
Data-erasable non-volatile semiconductor memory device
TOSHIBA KK65 citations96
US6195307B1Feb 27, 2001
Booster circuit and semiconductor memory device having the same
TOSHIBA KK81 citations96
US6166987ADec 26, 2000
Nonvolatile semiconductor memory device having row decoder
TOSHIBA KK35 citations96
US6128242AOct 3, 2000
Power supply circuit and semiconductor memory device having the same
TOSHIBA KK67 citations96
US6088267AJul 11, 2000
Nonvolatile semiconductor memory device having row decoder
TOSHIBA KK29 citations96
US6041012AMar 21, 2000
Semiconductor integrated circuit device having a booster circuit and a storage device
TOSHIBA KK44 citations96
US5986940ANov 16, 1999
Semiconductor integrated circuit device with a constant current source
TOSHIBA KK70 citations96
US5901083AMay 4, 1999
Nonvolatile semiconductor memory device
TOSHIBA KK36 citations96
US5642072AJun 24, 1997
High voltage generator circuit
TOSHIBA KK47 citations96
US5513146AApr 30, 1996
Nonvolatile semiconductor memory device having a row decoder supplying a negative potential to word lines during erase mode
TOSHIBA KK31 citations96
US5233566AAug 3, 1993
Address detector of a redundancy memory cell
TOSHIBA KK54 citations96
US4999813AMar 12, 1991
Nonvolatile semiconductor memory having a stress test circuit
TOSHIBA KK59 citations96
US4943962AJul 24, 1990
Nonvolatile semiconductor memory having page mode programming function
TOSHIBA KK95 citations96
US4860260AAug 22, 1989
Semiconductor memory device with testing of redundant memory cells
TOSHIBA KK67 citations96
US6222773B1Apr 24, 2001
Nonvolatile semiconductor memory in which the number of programming or erasing bits increases with the progress of programming or erasing
TOSHIBA KK48 citations95
US7120053B2Oct 10, 2006
Semiconductor intergrated circuit device with a main cell array and a fuse cell array whose word lines and bit lines are extended in the same directions
TOSHIBA KK24 citations93
US6888764B2May 3, 2005
Semiconductor device including semiconductor memory
TOSHIBA KK23 citations93
US6865125B2Mar 8, 2005
Non-volatile semiconductor memory
TOSHIBA KK28 citations93
US6801457B2Oct 5, 2004
Non-volatile semiconductor memory
TOSHIBA KK28 citations93
US6781879B2Aug 24, 2004
Nonvolatile semiconductor memory with a page mode
TOSHIBA KK20 citations93
US6700817B2Mar 2, 2004
Semiconductor integrated circuit device with operation/function setting information memory
TOSHIBA KK16 citations93
US6671203B2Dec 30, 2003
Nonvolatile semiconductor memory having page mode with a plurality of banks
TOSHIBA KK17 citations93
US6643183B2Nov 4, 2003
Channel-erase nonvolatile semiconductor memory device
TOSHIBA KK33 citations93
US6560144B2May 6, 2003
Nonvolatile semiconductor memory device
TOSHIBA KK14 citations93
US6510089B2Jan 21, 2003
Voltage-level shifter and semiconductor memory using the same
TOSHIBA KK25 citations93
US6496413B2Dec 17, 2002
Semiconductor memory device for effecting erasing operation in block unit
TOSHIBA KK16 citations93
US6373749B1Apr 16, 2002
Channel-erase nonvolatile semiconductor memory device
TOSHIBA KK28 citations93
US6337825B2Jan 8, 2002
Semiconductor memory device
TOSHIBA KK18 citations93
US6333662B1Dec 25, 2001
Latch type level shift circuit
TOSHIBA KK43 citations93
US6278316B1Aug 21, 2001
Pump circuit with reset circuitry
TOSHIBA KK42 citations93
US6256227B1Jul 3, 2001
Non-volatile semiconductor memory having column sub-selector layout pattern adaptable to miniaturization of memory cell
TOSHIBA KK21 citations93
US6233189B1May 15, 2001
Semiconductor memory device
TOSHIBA KK20 citations93
US6226224B1May 1, 2001
Semiconductor integrated circuit device and storage device
TOSHIBA KK16 citations93
US6160738ADec 12, 2000
Nonvolatile semiconductor memory system
TOSHIBA KK27 citations93
US6108246AAug 22, 2000
Semiconductor memory device
TOSHIBA KK40 citations93
US5940322AAug 17, 1999
Constant voltage generating circuit with improved line voltage control
TOSHIBA KK25 citations93
US5898335AApr 27, 1999
High voltage generator circuit
TOSHIBA KK29 citations93
US5812459ASep 22, 1998
Nonvolatile semiconductor memory device having row decoder supplying a negative potential to wordlines during erase mode
TOSHIBA KK24 citations93
TOKYO SHIBAURA ELECTRIC CO
1 patentShowing the top 50 of 126 patents by PatentIndex Score.