P

Inventor

TAGUCHI MASAO

JP115 patents
⚠️ This page may combine multiple inventors who share the name “TAGUCHI MASAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJITSU LTD

49 patents
US4939568AJul 3, 1990

Three-dimensional integrated circuit and manufacturing method thereof

FUJITSU LTD757 citations99
US6510095B1Jan 21, 2003

Semiconductor memory device for operating in synchronization with edge of clock signal

FUJITSU LTD86 citations98
US6438055B1Aug 20, 2002

Dynamic memory circuit with automatic refresh function

FUJITSU LTD116 citations98
US6078514AJun 20, 2000

Semiconductor device and semiconductor system for high-speed data transfer

FUJITSU LTD89 citations98
US6049239AApr 11, 2000

Variable delay circuit and semiconductor integrated circuit device

FUJITSU LTD88 citations98
US5557221ASep 17, 1996

Semiconductor integrated circuit with input/output interface adapted for small-amplitude operation

FUJITSU LTD80 citations97
US6707325B2Mar 16, 2004

Semiconductor integrated circuit with input/output interface adapted for small-amplitude operation

FUJITSU LTD48 citations96
US6535950B1Mar 18, 2003

Semiconductor memory device having a refresh operation

FUJITSU LTD44 citations96
US6397312B1May 28, 2002

Memory subsystem operated in synchronism with a clock

FUJITSU LTD69 citations96
US6344765B2Feb 5, 2002

Signal transmission with reduced ringing of signals

FUJITSU LTD60 citations96
US6298004B1Oct 2, 2001

Semiconductor device, semiconductor system, and digital delay circuit

FUJITSU LTD36 citations96
US6201423B1Mar 13, 2001

Semiconductor device, semiconductor system, and digital delay circuit

FUJITSU LTD52 citations96
US6185149B1Feb 6, 2001

Semiconductor integrated circuit memory

FUJITSU LTD76 citations96
US6104225AAug 15, 2000

Semiconductor device using complementary clock and signal input state detection circuit used for the same

FUJITSU LTD63 citations96
US6088291AJul 11, 2000

Semiconductor memory device

FUJITSU LTD60 citations96
US6028816AFeb 22, 2000

System configured of synchronous semiconductor device for adjusting timing of each input and semiconductor device used therefor

FUJITSU LTD85 citations96
US5955889ASep 21, 1999

Electronic circuit apparatus for transmitting signals through a bus and semiconductor device for generating a predetermined stable voltage

FUJITSU LTD43 citations96
US5949252ASep 7, 1999

Bus configuration and input/output buffer

FUJITSU LTD47 citations96
US5757226AMay 26, 1998

Reference voltage generating circuit having step-down circuit outputting a voltage equal to a reference voltage

FUJITSU LTD46 citations96
US5729154AMar 17, 1998

Termination circuits and related output buffers

FUJITSU LTD49 citations96
US5465220ANov 7, 1995

Optical exposure method

FUJITSU LTD55 citations96
US5339273AAug 16, 1994

Semiconductor memory device having a testing function and method of testing the same

FUJITSU LTD87 citations96
US5071783ADec 10, 1991

Method of producing a dynamic random access memory device

FUJITSU LTD64 citations96
US4974040ANov 27, 1990

Dynamic random access memory device and method of producing same

FUJITSU LTD54 citations96
US5489509AFeb 6, 1996

Mask, mask producing method and pattern forming method using mask

FUJITSU LTD40 citations95
US6720804B2Apr 13, 2004

Semiconductor integrated circuit with input/output interface adapted for small-amplitude operation

FUJITSU LTD16 citations93
US6519171B2Feb 11, 2003

Semiconductor device and multichip module

FUJITSU LTD46 citations93
US6480030B1Nov 12, 2002

Bus configuration and input/output buffer

FUJITSU LTD18 citations93
US6329871B2Dec 11, 2001

Reference voltage generation circuit using source followers

FUJITSU LTD25 citations93
US6225855B1May 1, 2001

Reference voltage generation circuit using source followers

FUJITSU LTD15 citations93
US6205082B1Mar 20, 2001

LSI device with memory and logics mounted thereon

FUJITSU LTD38 citations93
US6184737B1Feb 6, 2001

Signal transmission with reduced ringing of signals

FUJITSU LTD35 citations93
US6160417ADec 12, 2000

Termination circuits and related output buffers

FUJITSU LTD35 citations93
US6154047ANov 28, 2000

Bus configuration and input/output buffer

FUJITSU LTD32 citations93
US6154405ANov 28, 2000

Semiconductor memory device having a dummy cell resetting the bit lines to a reset potential that is based on data read in a previous read data

FUJITSU LTD20 citations93
US6037813AMar 14, 2000

Semiconductor device capable of selecting operation mode based on clock frequency

FUJITSU LTD48 citations93
US5838188ANov 17, 1998

Reference voltage generation circuit

FUJITSU LTD27 citations93
US5227675AJul 13, 1993

Voltage generator for a semiconductor integrated circuit

FUJITSU LTD49 citations93
US5097303AMar 17, 1992

On-chip voltage regulator and semiconductor memory device using the same

FUJITSU LTD48 citations93
US5021357AJun 4, 1991

Method of making a dram cell with stacked capacitor

FUJITSU LTD36 citations93
US5006910AApr 9, 1991

Semiconductor memory device and method for producing the same

FUJITSU LTD24 citations93
US5001108AMar 19, 1991

Semiconductor device having a superconductive wiring

FUJITSU LTD45 citations93
US4803535AFeb 7, 1989

Dynamic random access memory trench capacitor

FUJITSU LTD47 citations93
US4801989AJan 31, 1989

Dynamic random access memory having trench capacitor with polysilicon lined lower electrode

FUJITSU LTD24 citations93
US4758992AJul 19, 1988

Method and device for refreshing dynamic semiconductor memory device

FUJITSU LTD50 citations93
US4419743ADec 6, 1983

Semiconductor memory device

FUJITSU LTD37 citations93
US6744300B2Jun 1, 2004

Semiconductor integrated circuit with input/output interface adapted for small-amplitude operation

FUJITSU LTD14 citations92
US6498524B1Dec 24, 2002

Input/output data synchronizing device

FUJITSU LTD20 citations92
US6492846B1Dec 10, 2002

Semiconductor integrated circuit with input/output interface adapted for small-amplitude operation

FUJITSU LTD21 citations92

ELPIDA MEMORY INC

1 patent

Showing the top 50 of 115 patents by PatentIndex Score.