Inventor · disambiguated record
Toshiaki Matsubara
Also filed as: MATSUBARA TOSHIAKI
12 granted patents·103 citations·filing 1984–2002
91Inventor score
Top patents by PatentIndex Score
12 records- 0180US4689503ALevel conversion circuitry for a semiconductor integrated circuit utilizing bis CMOS circuit elementsHITACHI LTD·Filed 1984·Granted Aug 25, 1987·16 cites·42 claims
- 0277US4710842ASemiconductor integrated circuit deviceHITACHI LTD·Filed 1986·Granted Dec 1, 1987·19 cites·15 claims
- 0373US5053909ASemiconductor integrated circuit deviceHITACHI LTD·Filed 1989·Granted Oct 1, 1991·16 cites·11 claims
- 0462US5245224ALevel conversion circuitry for a semiconductor integrated circuitHITACHI LTD·Filed 1992·Granted Sep 14, 1993·17 cites·19 claims
- 0552US4827368ASemiconductor integrated circuit deviceHITACHI LTD·Filed 1987·Granted May 2, 1989·7 cites·15 claims
- 0650US6670844B2Charge pump circuitNIPPON PRECISION CIRCUITS·Filed 2002·Granted Dec 30, 2003·11 cites·1 claims
- 0749US4983862ASemiconductor integrated circuit with a bi-MOS input circuit for providing input signals to an internal logic blockHITACHI LTD·Filed 1989·Granted Jan 8, 1991·5 cites·62 claims
- 0843US4879480ABicmos gate arrayHITACHI LTD·Filed 1988·Granted Nov 7, 1989·4 cites·19 claims
- 0936US5103120ALevel conversion circuitry for a semiconductor integrated circuitHITACHI LTD·Filed 1991·Granted Apr 7, 1992·2 cites·14 claims
- 1030US5512847ABiCMOS tri-state output driverHITACHI LTD·Filed 1994·Granted Apr 30, 1996·0 cites·28 claims
- 1130US5001487ASemiconductor integrated circuit deviceHITACHI LTD·Filed 1990·Granted Mar 19, 1991·4 cites·5 claims
- 1229US5495183ALevel conversion circuitry for a semiconductor integrated circuitHITACHI LTD·Filed 1995·Granted Feb 27, 1996·2 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →