Assignee
HITACHI ULSI ENG CORP
JP·4 granted patents·125 citations·filing 2003–2006
Top patents by PatentIndex Score
4 records- 0198US7072222B2Nonvolatile memory system, semiconductor memory and writing methodHITACHI ULSI ENG CORP·Filed 2005·Granted Jul 4, 2006·58 cites·12 claims
- 0297US7145805B2Nonvolatile memory system, semiconductor memory, and writing methodHITACHI ULSI ENG CORP·Filed 2006·Granted Dec 5, 2006·55 cites·5 claims
- 0369US6906952B2Nonvolatile semiconductor memory device and data writing method thereforHITACHI ULSI ENG CORP·Filed 2003·Granted Jun 14, 2005·12 cites·23 claims
- 0444US7022568B2Semiconductor integrated circuit device and process for manufacturing the sameHITACHI ULSI ENG CORP·Filed 2004·Granted Apr 4, 2006·0 cites·23 claims
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