Inventor
MURANAKA MASAYA
JP28 patents
⚠️ This page may combine multiple inventors who share the name “MURANAKA MASAYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
21 patentsUS6735726B2May 11, 2004
Method of deciding error rate and semiconductor integrated circuit device
HITACHI LTD165 citations99
US5818784AOct 6, 1998
Semiconductor memory device and memory system
HITACHI LTD33 citations96
US5485425AJan 16, 1996
Semiconductor memory device having redundant column and operation method thereof
HITACHI LTD70 citations96
US5021998AJun 4, 1991
Semiconductor memory device with low-house pads for electron beam test
HITACHI LTD88 citations96
US5287000AFeb 15, 1994
Resin-encapsulated semiconductor memory device useful for single in-line packages
HITACHI LTD89 citations94
US6577530B2Jun 10, 2003
Semiconductor memory device having memory cells each capable of storing three or more values
HITACHI LTD49 citations93
US4934820AJun 19, 1990
Semiconductor device
HITACHI LTD52 citations93
US7665049B2Feb 16, 2010
Method for identifying semiconductor integrated circuit device, method for manufacturing semiconductor integrated circuit device, semiconductor integrated circuit device and semiconductor chip
HITACHI LTD31 citations92
US6823485B1Nov 23, 2004
Semiconductor storage device and test system
HITACHI LTD48 citations92
US6064605AMay 16, 2000
Semiconductor memory device and memory system
HITACHI LTD23 citations92
US5301142AApr 5, 1994
Semiconductor memory
HITACHI LTD36 citations92
US4807190AFeb 21, 1989
Semiconductor integrated circuit device
HITACHI LTD32 citations92
US5598373AJan 28, 1997
Semiconductor memory system
HITACHI LTD29 citations91
US6633508B2Oct 14, 2003
Semiconductor memory device and memory system
HITACHI LTD11 citations82
US5805513ASep 8, 1998
Semiconductor memory device with improved substrate arrangement to permit forming a plurality of different types of random access memory, and a testing method therefor
HITACHI LTD15 citations81
US5426613AJun 20, 1995
Semiconductor memory device with improved substrate arrangement to permit forming a plurality of different types of random access memory, and a testing method therefor
HITACHI LTD18 citations81
US6282141B1Aug 28, 2001
Semiconductor memory device and memory system
HITACHI LTD4 citations73
US5726994AMar 10, 1998
Address multiplex semiconductor memory device for enabling testing of the entire circuit or for only partial components thereof
HITACHI LTD16 citations72
US5217917AJun 8, 1993
Semiconductor memory device with improved substrate arrangement to permit forming a plurality of different types of random access memory, and a testing method therefor
HITACHI LTD11 citations72
US4849939AJul 18, 1989
Semiconductor memorizing device
HITACHI LTD12 citations70
US5151772ASep 29, 1992
Semiconductor integrated circuit device
HITACHI LTD6 citations63
HITACHI ULSI SYS CO LTD
3 patentsUS6941536B2Sep 6, 2005
Method for identifying semiconductor integrated circuit device, method for manufacturing semiconductor integrated circuit device, semiconductor integrated circuit device and semiconductor chip
HITACHI ULSI SYS CO LTD58 citations96
US7282377B2Oct 16, 2007
Method for identifying semiconductor integrated circuit device, method for manufacturing semiconductor integrated circuit device, semiconductor integrated circuit device and semiconductor chip
HITACHI ULSI SYS CO LTD30 citations92
US7702704B2Apr 20, 2010
Random number generating method and semiconductor integrated circuit device
HITACHI ULSI SYS CO LTD10 citations84