Inventor · disambiguated record
Kyoko Ishii
Also filed as: ISHII KYOKO
7 granted patents·266 citations·filing 1987–1994
89Inventor score
Files withHITACHI LTD7
Top patents by PatentIndex Score
7 records- 0192US5426616ASemiconductor IC device having a voltage conversion circuit which generates an internal supply voltage having value compensated for external supply voltage variationsHITACHI LTD·Filed 1994·Granted Jun 20, 1995·95 cites·89 claims
- 0283US5150325ABi-CMOS semiconductor memory device, including improved layout structure and testing methodHITACHI LTD·Filed 1990·Granted Sep 22, 1992·45 cites·26 claims
- 0383US4807190ASemiconductor integrated circuit deviceHITACHI LTD·Filed 1987·Granted Feb 21, 1989·32 cites·46 claims
- 0478US5335203ASemiconductor integrated circuit device with internal voltage drop circuitsHITACHI LTD·Filed 1992·Granted Aug 2, 1994·41 cites·8 claims
- 0568US5276648ATesting method for a semiconductor memory deviceHITACHI LTD·Filed 1992·Granted Jan 4, 1994·21 cites·3 claims
- 0661US5440521ASemiconductor integrated circuit deviceHITACHI LTD·Filed 1993·Granted Aug 8, 1995·23 cites·13 claims
- 0747US5506804ADynamic Random Access Type Semiconductor DeviceHITACHI LTD·Filed 1993·Granted Apr 9, 1996·9 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →