Inventor · disambiguated record
Ken-Ichi Oyama
Also filed as: OYAMA KEN-ICHI
8 granted patents·174 citations·filing 1993–1997
88Inventor score
Files withNEC CORP8
Top patents by PatentIndex Score
8 records- 0185US5295107AMethod of erasing data stored in flash type nonvolatile memory cellNEC CORP·Filed 1993·Granted Mar 15, 1994·64 cites·15 claims
- 0268US5637897ANonvolatile semiconductor memory device with dual insulation layers between adjacent gate structuresNEC CORP·Filed 1996·Granted Jun 10, 1997·29 cites·3 claims
- 0359US5412608AMethod of erasing data on non-volatile semi-conductor memoryNEC CORP·Filed 1993·Granted May 2, 1995·20 cites·7 claims
- 0451US5880499AMemory cell of a nonvolatile semiconductor deviceNEC CORP·Filed 1997·Granted Mar 9, 1999·18 cites·4 claims
- 0548US5530669ANon-volatile semiconductor memory device and method for recovering write characteristicsNEC CORP·Filed 1994·Granted Jun 25, 1996·13 cites·1 claims
- 0646US5546339ANonvolatile semiconductor memory device equipped with means for suppressing drain disturbance phenomenonNEC CORP·Filed 1995·Granted Aug 13, 1996·12 cites·2 claims
- 0741US6017793AMethod of forming a memory cell of a nonvolatile semiconductor memory deviceNEC CORP·Filed 1997·Granted Jan 25, 2000·10 cites·1 claims
- 0840US5636168AMethod for testing a nonvolatile semiconductor memory deviceNEC CORP·Filed 1995·Granted Jun 3, 1997·8 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →