Inventor
OGAWA YASUSHIGE
JP45 patents
⚠️ This page may combine multiple inventors who share the name “OGAWA YASUSHIGE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
37 patentsUS5608670AMar 4, 1997
Flash memory with improved erasability and its circuitry
FUJITSU LTD66 citations96
US5590074ADec 31, 1996
Nonvolatile semiconductor memory
FUJITSU LTD82 citations96
US5576637ANov 19, 1996
XOR CMOS logic gate
FUJITSU LTD40 citations96
US5487036AJan 23, 1996
Nonvolatile semiconductor memory
FUJITSU LTD79 citations96
US5490107AFeb 6, 1996
Nonvolatile semiconductor memory
FUJITSU LTD22 citations93
US5910916AJun 8, 1999
Flash-erasable semiconductor memory device having improved reliability
FUJITSU LTD21 citations92
US5770963AJun 23, 1998
Flash memory with improved erasability and its circuitry
FUJITSU LTD19 citations92
US5592419AJan 7, 1997
Flash memory with improved erasability and its circuitry
FUJITSU LTD23 citations92
US6307801B1Oct 23, 2001
Trimming circuit for system integrated circuit
FUJITSU LTD24 citations91
US5519652AMay 21, 1996
Nonvolatile semiconductor memory for positively holding stored data
FUJITSU LTD31 citations91
US7221131B2May 22, 2007
Control circuit for DC-DC converter in semiconductor integrated circuit device
FUJITSU LTD18 citations84
US7222320B2May 22, 2007
Layout method of decoupling capacitors
FUJITSU LTD17 citations84
US6943616B2Sep 13, 2005
Semiconductor integrated circuit device, and adjustment method of semiconductor integrated circuit device
FUJITSU LTD14 citations84
US6269033B1Jul 31, 2001
Semiconductor memory device having redundancy unit for data line compensation
FUJITSU LTD15 citations84
US6014329AJan 11, 2000
Flash-erasable semiconductor memory device having an improved reliability
FUJITSU LTD14 citations82
US5761127AJun 2, 1998
Flash-erasable semiconductor memory device having an improved reliability
FUJITSU LTD14 citations82
US5631597AMay 20, 1997
Negative voltage circuit for a flash memory
FUJITSU LTD10 citations82
US6891393B2May 10, 2005
Synchronous semiconductor device, and inspection system and method for the same
FUJITSU LTD7 citations74
US6809605B2Oct 26, 2004
Oscillator circuit, semiconductor device and semiconductor memory device provided with the oscillator circuit, and control method of the oscillator circuit
FUJITSU LTD6 citations74
US5835408ANov 10, 1998
Flash-erasable semiconductor memory device having an improved reliability
FUJITSU LTD8 citations74
US5572463ANov 5, 1996
Nonvolatile semiconductor memory with pre-read means
FUJITSU LTD5 citations74
US6542421B2Apr 1, 2003
Semiconductor memory device with redundancy circuit
FUJITSU LTD7 citations73
US6314033B1Nov 6, 2001
Semiconductor memory device with redundancy circuit
FUJITSU LTD8 citations73
US6275431B1Aug 14, 2001
Semiconductor memory device having bit line precharge circuits activated by separate control signals and control method for the same
FUJITSU LTD14 citations73
US7353469B2Apr 1, 2008
Method and program for designing semiconductor device
FUJITSU LTD4 citations63
US7239210B2Jul 3, 2007
Oscillator circuit, semiconductor device and semiconductor memory device provided with the oscillator circuit, and control method of the oscillator circuit
FUJITSU LTD1 citations63
US7167042B2Jan 23, 2007
Semiconductor device having logic circuit and macro circuit
FUJITSU LTD3 citations63
US5870337AFeb 9, 1999
Flash-erasable semiconductor memory device having an improved reliability
FUJITSU LTD2 citations63
US5835416ANov 10, 1998
Flash-erasable semiconductor memory device having an improved reliability
FUJITSU LTD1 citations63
US6741518B2May 25, 2004
Semiconductor integrated circuit device and data writing method therefor
FUJITSU LTD4 citations62
US6545940B2Apr 8, 2003
Semiconductor integrated circuit having enhanced acquisition of external signal
FUJITSU LTD2 citations62
US7459960B2Dec 2, 2008
Semiconductor integrated circuit device, and adjustment method of semiconductor integrated circuit device
FUJITSU LTD1 citations52
US7378863B2May 27, 2008
Synchronous semiconductor device, and inspection system and method for the same
FUJITSU LTD0 citations52
US7078945B2Jul 18, 2006
Semiconductor device having logic circuit and macro circuit
FUJITSU LTD0 citations52
US7042300B2May 9, 2006
Oscillator circuit, semiconductor device and semiconductor memory device provided with the oscillator circuit, and control method of the oscillator circuit
FUJITSU LTD0 citations52
US6700437B1Mar 2, 2004
Semiconductor device including logic circuit and macro circuit which has a function for stopping a direct current
FUJITSU LTD0 citations52
US6525975B2Feb 25, 2003
Semiconductor integrated circuit device and data-write method thereof
FUJITSU LTD0 citations51
FUJITSU MICROELECTRONICS LTD
3 patentsUS7557587B2Jul 7, 2009
Control apparatus, semiconductor integrated circuit apparatus, and source voltage supply control system
FUJITSU MICROELECTRONICS LTD3 citations63
US7663392B2Feb 16, 2010
Synchronous semiconductor device, and inspection system and method for the same
FUJITSU MICROELECTRONICS LTD0 citations52
US7492232B2Feb 17, 2009
Oscillator circuit, semiconductor device and semiconductor memory device provided with the oscillator circuit, and control method of the oscillator circuit
FUJITSU MICROELECTRONICS LTD0 citations52