Inventor · disambiguated record
Shigemasa Ito
Also filed as: ITO SHIGEMASA
10 granted patents·195 citations·filing 1993–2009
90Inventor score
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10 records- 0193US5675280ASemiconductor integrated circuit device having built-in step-down circuit for stepping down external power supply voltageFUJITSU LTD·Filed 1996·Granted Oct 7, 1997·94 cites·7 claims
- 0276US7227801B2Semiconductor memory device with reliable fuse circuitFUJITSU LTD·Filed 2005·Granted Jun 5, 2007·10 cites·6 claims
- 0374US5499213ASemiconductor memory device having self-refresh functionFUJITSU LTD·Filed 1993·Granted Mar 12, 1996·35 cites·4 claims
- 0471US7286434B2Semiconductor memory device with shift register-based refresh address generation circuitFUJITSU LTD·Filed 2006·Granted Oct 23, 2007·7 cites·10 claims
- 0571US6353565B2Semiconductor device, semiconductor memory device and test-mode entry methodFUJITSU LTD·Filed 2001·Granted Mar 5, 2002·20 cites·8 claims
- 0665US7315481B2Semiconductor memoryFUJITSU LTD·Filed 2005·Granted Jan 1, 2008·6 cites·16 claims
- 0764US7995414B2Semiconductor memory device, method of operating semiconductor memory device, and memory systemFUJITSU SEMICONDUCTOR LTD·Filed 2009·Granted Aug 9, 2011·5 cites·20 claims
- 0855US6577550B2Control circuit and semiconductor memory deviceFUJITSU LTD·Filed 2002·Granted Jun 10, 2003·9 cites·17 claims
- 0949US7145825B2Semiconductor memory device with shift register-based refresh address generation circuitFUJITSU LTD·Filed 2004·Granted Dec 5, 2006·5 cites·17 claims
- 1044US6351432B1Synchronous semiconductor memory apparatus and input information latch control method thereofFUJITSU LTD·Filed 2001·Granted Feb 26, 2002·4 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →