Inventor · disambiguated record

Yumiko Iyama

Also filed as: IYAMA YUMIKO

3 granted patents·52 citations·filing 1988–1998

72Inventor score

Technology areasG11C

Files withTOSHIBA KK3

Top patents by PatentIndex Score

3 records

0161US4974206ANonvolatile semiconductor memory device having reference potential generating circuitTOSHIBA KK·Filed 1989·Granted Nov 27, 1990·19 cites·10 claims
0260US5986935ASemiconductor memory device with high voltage generation circuitTOSHIBA KK·Filed 1998·Granted Nov 16, 1999·21 cites·9 claims
0351US4951257AReference setting circuit for determining written-in content in nonvolatile semiconductor memoriesTOSHIBA KK·Filed 1988·Granted Aug 21, 1990·12 cites·7 claims

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