Inventor · disambiguated record
Ryuuji Shibata
Also filed as: SHIBATA RYUUJI
6 granted patents·136 citations·filing 1987–1991
85Inventor score
Files withHITACHI LTD6
Top patents by PatentIndex Score
6 records- 0182US5081052AROM and process for producing the sameHITACHI LTD·Filed 1989·Granted Jan 14, 1992·46 cites·29 claims
- 0271US4805143ARead-only memoryHITACHI LTD·Filed 1987·Granted Feb 14, 1989·27 cites·28 claims
- 0367US4939386ASemiconductor integrated circuit device with MISFETS using two drain impuritiesHITACHI LTD·Filed 1987·Granted Jul 3, 1990·28 cites·44 claims
- 0455US4912674ARead-only memoryHITACHI LTD·Filed 1989·Granted Mar 27, 1990·15 cites·24 claims
- 0543US5275959AProcess for producing ROMHITACHI LTD·Filed 1991·Granted Jan 4, 1994·11 cites·11 claims
- 0641US5398206ASemiconductor memory device with data error compensationHITACHI LTD·Filed 1991·Granted Mar 14, 1995·9 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →