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 patentsUS4939568AJul 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 patentShowing the top 50 of 115 patents by PatentIndex Score.