Inventor · disambiguated record
Ikuro Masuda
Also filed as: MASUDA I · MASUDA IKURO · UENO MASAHIRO
50 granted patents·938 citations·filing 1974–1996
99Inventor score
Files withHITACHI LTD50
Top patents by PatentIndex Score
50 records- 0198US4853560ALogic circuit and semiconductor integrated circuit device capable of operating by different power suppliesHITACHI LTD·Filed 1988·Granted Aug 1, 1989·107 cites·66 claims
- 0293US4797583ALevel converting circuit for converting voltage levels, including a current amplifying arrangementHITACHI LTD·Filed 1984·Granted Jan 10, 1989·46 cites·15 claims
- 0391US4713796ASemiconductor integrated circuitHITACHI LTD·Filed 1985·Granted Dec 15, 1987·36 cites·12 claims
- 0490US4678943AInverting logic buffer BICMOS switching circuit using an enabling switch for three-state operation with reduced dissipationHITACHI LTD·Filed 1985·Granted Jul 7, 1987·51 cites·13 claims
- 0585US4694202ABi-MOS buffer circuitHITACHI LTD·Filed 1984·Granted Sep 15, 1987·27 cites·24 claims
- 0684US4769561ABipolar transistor-field effect transistor composite circuitHITACHI LTD·Filed 1984·Granted Sep 6, 1988·26 cites·15 claims
- 0784US4661723AComposite circuit of bipolar transistors and field effect transistorsHITACHI LTD·Filed 1984·Granted Apr 28, 1987·23 cites·30 claims
- 0883US5153452ABipolar-MOS IC with internal voltage generator and LSI device with internal voltage generatorHITACHI LTD·Filed 1989·Granted Oct 6, 1992·33 cites·39 claims
- 0981US4808850AComposite circuit of bipolar transistors and field effect transistorsHITACHI LTD·Filed 1987·Granted Feb 28, 1989·24 cites·4 claims
- 1081US4694203AHigh speed bi-comos switching circuitHITACHI LTD·Filed 1985·Granted Sep 15, 1987·28 cites·9 claims
- 1180US4719373AGate circuit of combined field-effect and bipolar transistorsHITACHI LTD·Filed 1987·Granted Jan 12, 1988·28 cites·23 claims
- 1280US4689503ALevel conversion circuitry for a semiconductor integrated circuit utilizing bis CMOS circuit elementsHITACHI LTD·Filed 1984·Granted Aug 25, 1987·16 cites·42 claims
- 1380US4500951APlant control systemHITACHI LTD·Filed 1981·Granted Feb 19, 1985·63 cites·5 claims
- 1478US4701922AIntegrated circuit deviceHITACHI LTD·Filed 1985·Granted Oct 20, 1987·35 cites·13 claims
- 1576US4366478ASignal transmitting and receiving apparatusHITACHI LTD·Filed 1981·Granted Dec 28, 1982·43 cites·8 claims
- 1675US4813020ASemiconductor deviceHITACHI LTD·Filed 1988·Granted Mar 14, 1989·30 cites·20 claims
- 1773US4523276AInput/output control device with memory device for storing variable-length data and method of controlling thereofHITACHI LTD·Filed 1983·Granted Jun 11, 1985·41 cites·18 claims
- 1871US4129901APlural-sequence control systemHITACHI LTD·Filed 1977·Granted Dec 12, 1978·23 cites·5 claims
- 1971US3967242AAutomatic working machineHITACHI LTD·Filed 1974·Granted Jun 29, 1976·21 cites·5 claims
- 2069US4890017ACMOS-BiCMOS gate circuitHITACHI LTD·Filed 1987·Granted Dec 26, 1989·18 cites·19 claims
- 2168US4613970AIntegrated circuit device and method of diagnosing the sameHITACHI LTD·Filed 1984·Granted Sep 23, 1986·21 cites·10 claims
- 2266US4860148ASemiconductor integrated circuit device with a protective circuitHITACHI LTD·Filed 1987·Granted Aug 22, 1989·22 cites·15 claims
- 2365US4801983ASchottky diode formed on MOSFET drainHITACHI LTD·Filed 1986·Granted Jan 31, 1989·22 cites·2 claims
- 2462US5245224ALevel conversion circuitry for a semiconductor integrated circuitHITACHI LTD·Filed 1992·Granted Sep 14, 1993·17 cites·19 claims
- 2560US4829201AGate circuit of combined field-effect and bipolar transistorsHITACHI LTD·Filed 1987·Granted May 9, 1989·13 cites·6 claims
- 2656US4727517ASemiconductor memory with column line voltage sitting circuitHITACHI LTD·Filed 1985·Granted Feb 23, 1988·15 cites·12 claims
- 2749US4983862ASemiconductor 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
- 2848US5644548ADynamic random access memory having bipolar and C-MOS transistorHITACHI LTD·Filed 1996·Granted Jul 1, 1997·10 cites·3 claims
- 2947US5696715ASemiconductor memory device having bipolar and field effect transistors and an improved coupling arrangement for logic units or logic blocksHITACHI LTD·Filed 1995·Granted Dec 9, 1997·9 cites·3 claims
- 3047US4858189ASemiconductor integrated circuitHITACHI LTD·Filed 1987·Granted Aug 15, 1989·4 cites·44 claims
- 3145US5001366AGate circuit of combined field-effect and bipolar transistorsHITACHI LTD·Filed 1987·Granted Mar 19, 1991·7 cites·3 claims
- 3244US4589007ASemiconductor integrated circuit deviceHITACHI LTD·Filed 1983·Granted May 13, 1986·10 cites·13 claims
- 3343US4924439ASemiconductor integrated circuitHITACHI LTD·Filed 1989·Granted May 8, 1990·3 cites·10 claims
- 3443US4879480ABicmos gate arrayHITACHI LTD·Filed 1988·Granted Nov 7, 1989·4 cites·19 claims
- 3542US5333282ASemiconductor integrated circuit device with at least one bipolar transistor arranged to provide a direct connection between a plurality of MOSFETsHITACHI LTD·Filed 1991·Granted Jul 26, 1994·8 cites·65 claims
- 3640US5042010ASemiconductor integrated circuitHITACHI LTD·Filed 1990·Granted Aug 20, 1991·3 cites·18 claims
- 3739US4617648ASemiconductor integrated circuit deviceHITACHI LTD·Filed 1984·Granted Oct 14, 1986·8 cites·7 claims
- 3838US5455955AData processing system with device for arranging instructionsHITACHI LTD·Filed 1992·Granted Oct 3, 1995·10 cites·24 claims
- 3938US4200225ADiagnostic check system for digital signal circuitHITACHI LTD·Filed 1978·Granted Apr 29, 1980·6 cites·18 claims
- 4037US5378941ABipolar transistor MOS transistor hybrid semiconductor integrated circuit deviceHITACHI LTD·Filed 1992·Granted Jan 3, 1995·5 cites·12 claims
- 4136US5103120ALevel conversion circuitry for a semiconductor integrated circuitHITACHI LTD·Filed 1991·Granted Apr 7, 1992·2 cites·14 claims
- 4235US5239212AGate circuit of combined field-effect and bipolar transistors with an improved discharge arrangementHITACHI LTD·Filed 1992·Granted Aug 24, 1993·4 cites·20 claims
- 4334US4789958ACarry-look-ahead adder including bipolar and MOS transistorsHITACHI LTD·Filed 1985·Granted Dec 6, 1988·5 cites·8 claims
- 4433US5371713ASemiconductor integrated circuitHITACHI LTD·Filed 1994·Granted Dec 6, 1994·1 cites·12 claims
- 4532US5005153AData processor integrated on a semiconductor substrateHITACHI LTD·Filed 1988·Granted Apr 2, 1991·2 cites·20 claims
- 4630US5600268AGate circuit of combined field-effect and bipolar transistorsHITACHI LTD·Filed 1994·Granted Feb 4, 1997·0 cites·7 claims
- 4730US5512847ABiCMOS tri-state output driverHITACHI LTD·Filed 1994·Granted Apr 30, 1996·0 cites·28 claims
- 4830US5311482ASemiconductor integrated circuitHITACHI LTD·Filed 1993·Granted May 10, 1994·0 cites·30 claims
- 4929US5495183ALevel conversion circuitry for a semiconductor integrated circuitHITACHI LTD·Filed 1995·Granted Feb 27, 1996·2 cites·10 claims
- 5029US5117382ASemiconductor integrated circuit for performing an arithmetic operation including bipolar and mos transistorsHITACHI LTD·Filed 1990·Granted May 26, 1992·1 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →