Inventor
AKAOGI TAKAO
JP95 patents
⚠️ This page may combine multiple inventors who share the name “AKAOGI TAKAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJITSU LTD
29 patentsUS5452251ASep 19, 1995
Semiconductor memory device for selecting and deselecting blocks of word lines
FUJITSU LTD70 citations97
US6618288B2Sep 9, 2003
Nonvolatile semiconductor memory device having electrically and collectively erasable characteristics
FUJITSU LTD31 citations96
US6104667AAug 15, 2000
Clock control circuit for generating an internal clock signal with one or more external clock cycles being blocked out and a synchronous flash memory device using the same
FUJITSU LTD60 citations96
US5608670AMar 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
US5537356AJul 16, 1996
Nonvolatile semiconductor memory
FUJITSU LTD89 citations95
US6646950B2Nov 11, 2003
High speed decoder for flash memory
FUJITSU LTD27 citations93
US6246609B1Jun 12, 2001
Decoder circuit
FUJITSU LTD26 citations93
US6205084B1Mar 20, 2001
Burst mode flash memory
FUJITSU LTD25 citations93
US5640123AJun 17, 1997
Substrate voltage control circuit for a flash memory
FUJITSU LTD19 citations93
US5521866AMay 28, 1996
Non-volatile semiconductor memory device having floating gate
FUJITSU LTD34 citations93
US5490107AFeb 6, 1996
Nonvolatile semiconductor memory
FUJITSU LTD22 citations93
US5402383AMar 28, 1995
Electrically erasable non-volatile semiconductor memory device for selective use in boot block type or normal type flash memory devices
FUJITSU LTD43 citations93
US5197030AMar 23, 1993
Semiconductor memory device having redundant memory cells
FUJITSU LTD32 citations93
US5091888AFeb 25, 1992
Semiconductor memory device
FUJITSU LTD39 citations93
US4998223AMar 5, 1991
Programmable semiconductor memory apparatus
FUJITSU LTD26 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
US5666314ASep 9, 1997
Semiconductor memory device for selecting and deselecting blocks of word lines
FUJITSU LTD18 citations92
US5592419AJan 7, 1997
Flash memory with improved erasability and its circuitry
FUJITSU LTD23 citations92
US5237530AAug 17, 1993
Frasable non-volatile semiconductor memory device having read/write test function
FUJITSU LTD28 citations92
US5519652AMay 21, 1996
Nonvolatile semiconductor memory for positively holding stored data
FUJITSU LTD31 citations91
US6414874B2Jul 2, 2002
Nonvolatile semiconductor memory device having electrically and collectively erasable characteristics
FUJITSU LTD13 citations82
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
US5038327AAug 6, 1991
Decoder circuit of erasable programmable read only memory for avoiding erroneous operation caused by parasitic capacitors
FUJITSU LTD21 citations82
ADVANCED MICRO DEVICES INC
15 patentsUS5867430AFeb 2, 1999
Bank architecture for a non-volatile memory enabling simultaneous reading and writing
ADVANCED MICRO DEVICES INC178 citations99
US6240040B1May 29, 2001
Multiple bank simultaneous operation for a flash memory
ADVANCED MICRO DEVICES INC292 citations98
US6400638B1Jun 4, 2002
Wordline driver for flash memory read mode
ADVANCED MICRO DEVICES INC20 citations93
US6400633B1Jun 4, 2002
Power-saving modes for memories
ADVANCED MICRO DEVICES INC41 citations92
US6359808B1Mar 19, 2002
Low voltage read cascode for 2V/3V and different bank combinations without metal options for a simultaneous operation flash memory device
ADVANCED MICRO DEVICES INC24 citations92
US6327181B1Dec 4, 2001
Reference cell bitline path architecture for a simultaneous operation flash memory device
ADVANCED MICRO DEVICES INC29 citations92
US6208556B1Mar 27, 2001
Address transition detect timing architecture for a simultaneous operation flash memory device
ADVANCED MICRO DEVICES INC43 citations92
US6185128B1Feb 6, 2001
Reference cell four-way switch for a simultaneous operation flash memory device
ADVANCED MICRO DEVICES INC32 citations92
US6134146AOct 17, 2000
Wordline driver for flash electrically erasable programmable read-only memory (EEPROM)
ADVANCED MICRO DEVICES INC26 citations92
US6111787AAug 29, 2000
Address transistion detect timing architecture for a simultaneous operation flash memory device
ADVANCED MICRO DEVICES INC44 citations92
US6550028B1Apr 15, 2003
Array VT mode implementation for a simultaneous operation flash memory device
ADVANCED MICRO DEVICES INC20 citations91
US6611473B2Aug 26, 2003
Power-saving modes for memories
ADVANCED MICRO DEVICES INC13 citations84
US6259633B1Jul 10, 2001
Sense amplifier architecture for sliding banks for a simultaneous operation flash memory device
ADVANCED MICRO DEVICES INC16 citations84
US6347052B1Feb 12, 2002
Word line decoding architecture in a flash memory
ADVANCED MICRO DEVICES INC18 citations83
US6307787B1Oct 23, 2001
Burst read incorporating output based redundancy
ADVANCED MICRO DEVICES INC20 citations83
SPANSION LLC
3 patentsUS7283398B1Oct 16, 2007
Method for minimizing false detection of states in flash memory devices
SPANSION LLC23 citations92
US7986579B2Jul 26, 2011
Memory device and method thereof
SPANSION LLC9 citations84
US7295475B2Nov 13, 2007
Flash memory programming using an indication bit to interpret state
SPANSION LLC16 citations84
NANTERO INC
1 patentAKAOGI TAKAO
1 patentLIN YA-FEN
1 patentShowing the top 50 of 95 patents by PatentIndex Score.