Inventor
SUMI TATSUMI
JP29 patents
⚠️ This page may combine multiple inventors who share the name “SUMI TATSUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
24 patentsUS5179298AJan 12, 1993
CMOS buffer circuit which is not influenced by bounce noise
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD149 citations99
US5828615AOct 27, 1998
Reference potential generator and a semiconductor memory device having the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD53 citations96
US5430671AJul 4, 1995
Semiconductor memory device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD27 citations93
US6848620B2Feb 1, 2005
Semiconductor integrated circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD30 citations92
US6067265AMay 23, 2000
Reference potential generator and a semiconductor memory device having the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations92
US5675530AOct 7, 1997
Ferroelectric memory device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations92
US5523974AJun 4, 1996
Semiconductor memory device with redundant memory cell backup
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD48 citations92
US5515312AMay 7, 1996
Semiconductor memory device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD33 citations92
US5392234AFeb 21, 1995
Semiconductor memory device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations92
US6659352B1Dec 9, 2003
Semiconductor integrated circuit, a contactless information medium having the semiconductor integrated circuit, and a method of driving the semiconductor integrated circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD30 citations90
US5053998AOct 1, 1991
Semiconductor memory device with dual drivers to sense amp array
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations88
US5898608AApr 27, 1999
Method for operating a ferroelectric memory
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations84
US6907088B1Jun 14, 2005
Contactless IC card for preventing incorrect data recovery in demodulation of an amplitude-modulated carrier wave
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations82
US5953277ASep 14, 1999
Reference potential generator and a semiconductor memory device having the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD13 citations82
US7011252B2Mar 14, 2006
IC card and OS activation method for the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations81
US6538482B2Mar 25, 2003
Voltage detection circuit, power-on/off reset circuit, and semiconductor device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations81
US5694445ADec 2, 1997
Semiconductor device with means for charge recycling
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations74
US5467302ANov 14, 1995
Semiconductor memory device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74
US5546342AAug 13, 1996
Semiconductor memory device including reverse and rewrite means
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations73
US5282165AJan 25, 1994
Random access memory with redundancy repair circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations73
US4431970AFeb 14, 1984
Quadrature detector using a double balanced differential circuit and a constant current circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations73
US7138699B2Nov 21, 2006
Semiconductor integrated circuit and noncontact information medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations62
US6882193B2Apr 19, 2005
Voltage detection circuit, power-on/off reset circuit, and semiconductor device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3 citations62
US6246624B1Jun 12, 2001
Voltage detection circuit power-on/off reset circuit and semiconductor device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations62
MATSUSHITA ELECTRONICS CORP
3 patentsUS5864247AJan 26, 1999
Voltage detection circuit, power-on/off reset circuit, and semiconductor device
MATSUSHITA ELECTRONICS CORP37 citations95
US5448159ASep 5, 1995
Reference voltage generator
MATSUSHITA ELECTRONICS CORP26 citations92
US6822493B2Nov 23, 2004
Voltage detection circuit, power-on/off reset circuit, and semiconductor device
MATSUSHITA ELECTRONICS CORP5 citations73