Inventor
SAKIYAMA KEIZO
JP31 patents
⚠️ This page may combine multiple inventors who share the name “SAKIYAMA KEIZO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
28 patentsUS5965942AOct 12, 1999
Semiconductor memory device with amorphous diffusion barrier between capacitor and plug
SHARP KK67 citations96
US5515984AMay 14, 1996
Method for etching PT film
SHARP KK70 citations96
US5416735AMay 16, 1995
Non-volatile random access memory with ferroelectric capacitor
SHARP KK59 citations96
US5049970ASep 17, 1991
High resistive element
SHARP KK66 citations96
US5043946AAug 27, 1991
Semiconductor memory device
SHARP KK75 citations96
US5108783AApr 28, 1992
Process for producing semiconductor devices
SHARP KK66 citations95
US5299152AMar 29, 1994
Anti-fuse memory device with switched capacitor setting method
SHARP KK42 citations93
US5299151AMar 29, 1994
Method for writing into semiconductor memory
SHARP KK24 citations93
US5140552AAug 18, 1992
Semiconductor memory device having a volatile memory device and a non-volatile memory device
SHARP KK31 citations93
US5075888ADec 24, 1991
Semiconductor memory device having a volatile memory device and a non-volatile memory device
SHARP KK41 citations93
US7027322B2Apr 11, 2006
EPIR device and semiconductor devices utilizing the same
SHARP KK26 citations92
US5962889AOct 5, 1999
Nonvolatile semiconductor memory with a floating gate that has a bottom surface that is smaller than the upper surface
SHARP KK32 citations92
US5357460AOct 18, 1994
Semiconductor memory device having two transistors and at least one ferroelectric film capacitor
SHARP KK39 citations92
US5293075AMar 8, 1994
Semiconductor device with PZT/PLZT film and lead-containing electrode
SHARP KK29 citations92
US5181188AJan 19, 1993
Semiconductor memory device
SHARP KK29 citations92
US5776356AJul 7, 1998
Method for etching ferroelectric film
SHARP KK24 citations90
US5119163AJun 2, 1992
Semiconductor device
SHARP KK21 citations82
US5420077AMay 30, 1995
Method for forming a wiring layer
SHARP KK7 citations74
US5414653AMay 9, 1995
Non-volatile random access memory having a high load device
SHARP KK13 citations74
US5401993AMar 28, 1995
Non-volatile memory
SHARP KK17 citations74
US5383151AJan 17, 1995
Dynamic random access memory
SHARP KK15 citations74
US5331181AJul 19, 1994
Non-volatile semiconductor memory
SHARP KK17 citations74
US5290725AMar 1, 1994
Semiconductor memory device and a method for producing the same
SHARP KK18 citations74
US5139964AAug 18, 1992
Method for forming isolation region of semiconductor device
SHARP KK10 citations74
US5063425ANov 5, 1991
Semiconductor memory device with capacitor over non-volatile memory cell gate structure
SHARP KK13 citations74
US5411904AMay 2, 1995
Process for fabricating nonvolatile random access memory having a tunnel oxide film
SHARP KK12 citations73
US4695745ASep 22, 1987
Monolithic semiconductor integrated circuit with programmable elements for minimizing deviation of threshold value
SHARP KK12 citations73
US5172199ADec 15, 1992
Compact nonvolatile semiconductor memory device using stacked active and passive elements
SHARP KK6 citations63
SHARP LAB OF AMERICA INC
3 patentsUS6753562B1Jun 22, 2004
Spin transistor magnetic random access memory device
SHARP LAB OF AMERICA INC140 citations98
US7208768B2Apr 24, 2007
Electroluminescent device
SHARP LAB OF AMERICA INC23 citations92
US6352899B1Mar 5, 2002
Raised silicide source/drain MOS transistors having enlarged source/drain contact regions and method
SHARP LAB OF AMERICA INC17 citations84