Inventor
YAHATA HIDEHARU
JP22 patents
⚠️ This page may combine multiple inventors who share the name “YAHATA HIDEHARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
12 patentsUS6563759B2May 13, 2003
Semiconductor memory device
HITACHI LTD111 citations98
US6377511B1Apr 23, 2002
Semiconductor integrated circuit device
HITACHI LTD28 citations96
US5854562ADec 29, 1998
Sense amplifier circuit
HITACHI LTD50 citations95
US6625079B2Sep 23, 2003
Semiconductor memory device
HITACHI LTD18 citations92
US6594197B2Jul 15, 2003
Semiconductor integrated circuit device
HITACHI LTD13 citations92
US6576946B1Jun 10, 2003
Semiconductor device comprising capacitor cells, bit lines, word lines, and MOS transistors in a memory cell area over a semiconductor substrate
HITACHI LTD24 citations92
US6463008B2Oct 8, 2002
Semiconductor integrated circuit device
HITACHI LTD19 citations92
US6046609AApr 4, 2000
Sense amplifier circuit
HITACHI LTD17 citations91
US6563755B2May 13, 2003
Semiconductor memory device
HITACHI LTD19 citations84
US5936909AAug 10, 1999
Static random access memory
HITACHI LTD18 citations82
US5963483AOct 5, 1999
Synchronous memory unit
HITACHI LTD11 citations74
US6271687B1Aug 7, 2001
Sense amplifier circuit
HITACHI LTD2 citations61
RENESAS TECH CORP
5 patentsUS7072242B2Jul 4, 2006
Semiconductor integrated circuit device
RENESAS TECH CORP25 citations96
US6819626B2Nov 16, 2004
Semiconductor integrated circuit device
RENESAS TECH CORP21 citations92
US7602665B2Oct 13, 2009
Semiconductor integrated circuit device
RENESAS TECH CORP4 citations74
US7411805B2Aug 12, 2008
Semiconductor integrated circuit device
RENESAS TECH CORP4 citations74
US6851017B2Feb 1, 2005
Semiconductor memory
RENESAS TECH CORP9 citations74