Inventor · disambiguated record

Yoshifumi Okamura

Also filed as: OKAMURA YOSHIFUMI

4 granted patents·86 citations·filing 1995–1998

75Inventor score

Technology areasG11C

Files withNEC CORP4

Top patents by PatentIndex Score

4 records

0181US5566117AReliable self-refreshing operation in a dram type of semiconductor memory deviceNEC CORP·Filed 1995·Granted Oct 15, 1996·64 cites·20 claims
0249US5936975ASemiconductor memory device with switching circuit for controlling internal addresses in parallel testNEC CORP·Filed 1996·Granted Aug 10, 1999·15 cites·5 claims
0336US6011745ASemiconductor memory system with bank switching controlNEC CORP·Filed 1998·Granted Jan 4, 2000·7 cites·4 claims
0425US5784324ASingle-chip memory system having a multiple bit line structure for outputting a plurality of data simultaneouslyNEC CORP·Filed 1997·Granted Jul 21, 1998·0 cites·27 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →