P

Inventor

ITOH YASUO

JP83 patents
⚠️ This page may combine multiple inventors who share the name “ITOH YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOSHIBA KK

44 patents
US6107658AAug 22, 2000

Non-volatile semiconductor memory device

TOSHIBA KK283 citations99
US6049494AApr 11, 2000

Semiconductor memory device

TOSHIBA KK156 citations99
US6011287AJan 4, 2000

Non-volatile semiconductor memory device

TOSHIBA KK231 citations99
US4959812ASep 25, 1990

Electrically erasable programmable read-only memory with NAND cell structure

TOSHIBA KK652 citations99
US6404274B1Jun 11, 2002

Internal voltage generating circuit capable of generating variable multi-level voltages

TOSHIBA KK139 citations98
US6259612B1Jul 10, 2001

Semiconductor device

TOSHIBA KK124 citations98
US5751634AMay 12, 1998

Non-volatile semiconductor memory device for storing multivalue data and readout/write-in method therefor

TOSHIBA KK100 citations98
US4939690AJul 3, 1990

Electrically erasable programmable read-only memory with NAND cell structure that suppresses memory cell threshold voltage variation

TOSHIBA KK142 citations98
US5361227ANov 1, 1994

Non-volatile semiconductor memory device and memory system using the same

TOSHIBA KK103 citations97
US6172911B1Jan 9, 2001

Non-volatile semiconductor memory device with an improved verify voltage generator

TOSHIBA KK54 citations96
US6002354ADec 14, 1999

Variable potential generating circuit using current-scaling adding type D/A converter circuit

TOSHIBA KK72 citations96
US5909399AJun 1, 1999

Non-volatile semiconductor memory device and memory system using the same

TOSHIBA KK26 citations96
US5831903ANov 3, 1998

Electrically erasable programmable read-only memory with threshold value controller for data programming and method of programming the same

TOSHIBA KK76 citations96
US5793696AAug 11, 1998

Non-volatile semiconductor memory device and memory system using the same

TOSHIBA KK27 citations96
USRE35838EJul 7, 1998

Electrically erasable programmable read-only memory with NAND cell structure

TOSHIBA KK90 citations96
US5724300AMar 3, 1998

Non-volatile semiconductor memory device and memory system using the same

TOSHIBA KK50 citations96
US5642072AJun 24, 1997

High voltage generator circuit

TOSHIBA KK47 citations96
US5615165AMar 25, 1997

Non-volatile semiconductor memory device and memory system using the same

TOSHIBA KK43 citations96
US5546351AAug 13, 1996

Non-volatile semiconductor memory device and memory system using the same

TOSHIBA KK65 citations96
US5388084AFeb 7, 1995

Non-volatile semiconductor memory device with high voltage generator

TOSHIBA KK71 citations96
US5278794AJan 11, 1994

NAND-cell type electrically erasable and programmable read-only memory with redundancy circuit

TOSHIBA KK92 citations96
US5075890ADec 24, 1991

Electrically erasable programmable read-only memory with nand cell

TOSHIBA KK62 citations96
US5043942AAug 27, 1991

Nand cell type programmable read-only memory with common control gate driver circuit

TOSHIBA KK58 citations96
US5050125ASep 17, 1991

Electrically erasable programmable read-only memory with NAND cellstructure

TOSHIBA KK60 citations95
US7139201B2Nov 21, 2006

Non-volatile semiconductor memory device and memory system using the same

TOSHIBA KK24 citations93
US6967892B2Nov 22, 2005

Non-volatile semiconductor memory device and memory system using the same

TOSHIBA KK27 citations93
US6781895B1Aug 24, 2004

Non-volatile semiconductor memory device and memory system using the same

TOSHIBA KK27 citations93
US6081454AJun 27, 2000

Electrically erasable programmable read-only memory with threshold value controller for data programming

TOSHIBA KK23 citations93
US6061289AMay 9, 2000

Variable potential generating circuit using current-scaling adding type D/A converter circuit in semiconductor memory device

TOSHIBA KK37 citations93
US6016274AJan 18, 2000

Semiconductor memory device

TOSHIBA KK17 citations93
US5898335AApr 27, 1999

High voltage generator circuit

TOSHIBA KK29 citations93
US5818791AOct 6, 1998

Non-volatile semiconductor memory device and memory system using the same

TOSHIBA KK24 citations93
US5784315AJul 21, 1998

Semiconductor memory device

TOSHIBA KK41 citations93
US5657270AAug 12, 1997

Electrically erasable programmable read-only memory with threshold value controller for data programming

TOSHIBA KK36 citations93
US5452249ASep 19, 1995

Non-volatile semiconductor memory device with verify mode for verifying data written to memory cells

TOSHIBA KK25 citations93
US5247480ASep 21, 1993

Electrically erasable progammable read-only memory with nand cell blocks

TOSHIBA KK34 citations93
US4638458AJan 20, 1987

Semiconductor memory address lines with varied interval contact holes

TOSHIBA KK25 citations93
US5978265ANov 2, 1999

Non-volatile semiconductor memory device with nand type memory cell arrays

TOSHIBA KK35 citations92
US5508957AApr 16, 1996

Non-volatile semiconductor memory with NAND cell structure and switching transistors with different channel lengths to reduce punch-through

TOSHIBA KK56 citations92
US5400279AMar 21, 1995

Nonvolatile semiconductor memory device with NAND cell structure

TOSHIBA KK24 citations92
US5179427AJan 12, 1993

Non-volatile semiconductor memory device with voltage stabilizing electrode

TOSHIBA KK32 citations92
US4799193AJan 17, 1989

Semiconductor memory devices

TOSHIBA KK33 citations92
US4748596AMay 31, 1988

Semiconductor memory device with sense amplifiers

TOSHIBA KK27 citations92
US5880994AMar 9, 1999

Non-volatile semiconductor memory device having verify function

TOSHIBA KK13 citations82

NIPPON STEEL CORP

2 patents

KABUSHIKI KASIHA TOSHIBA

1 patent

HOKURIKU PHARMACEUTICAL

1 patent

TANAKA SHIGENORI

1 patent

VICTOR COMPANY OF JAPAN

1 patent

Showing the top 50 of 83 patents by PatentIndex Score.