Inventor · disambiguated record
Akio Hirata
Also filed as: HIRATA AKIO
30 granted patents·9 pending applications·916 citations·filing 1978–2022
97Inventor score
Files withTOSHIBA KK10TOKYO SHIBAURA ELECTRIC CO8MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7PANASONIC CORP4HIRATA AKIO3
Top patents by PatentIndex Score
39 records- 0196US6229722B1Multiple inverter systemTOSHIBA KK·Filed 1999·Granted May 8, 2001·199 cites·39 claims
- 0295US11949413B2Semiconductor deviceNUVOTON TECHNOLOGY CORP JAPAN·Filed 2022·Granted Apr 2, 2024·2 cites·12 claims
- 0393US5473528AParallel connection of different types of AC power supplies of differing capacitiesTOSHIBA KK·Filed 1994·Granted Dec 5, 1995·126 cites·13 claims
- 0492US5929665APower converter with voltage drive switching device monitored by device parameters and electric parametersTOSHIBA KK·Filed 1998·Granted Jul 27, 1999·114 cites·19 claims
- 0591US7345519B2Flip-flop circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Mar 18, 2008·22 cites·14 claims
- 0691US7148735B2Level shifter having automatic delay adjusting functionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Dec 12, 2006·23 cites·2 claims
- 0788US4186334AControl systems of alternating current motorsTOKYO SHIBAURA ELECTRIC CO·Filed 1978·Granted Jan 29, 1980·33 cites·4 claims
- 0885US5148043AUninterruptible power supply diagnosing remaining battery capacity during normal external power source operationTOSHIBA KK·Filed 1990·Granted Sep 15, 1992·131 cites·17 claims
- 0984US7336116B2Clock supply circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2006·Granted Feb 26, 2008·14 cites·10 claims
- 1084US4225914AFrequency convertersTOKYO SHIBAURA ELECTRIC CO·Filed 1978·Granted Sep 30, 1980·29 cites·6 claims
- 1178US4417193AMethod and apparatus for controlling alternating current motorsTOKYO SHIBAURA ELECTRIC CO·Filed 1981·Granted Nov 22, 1983·27 cites·6 claims
- 1278US4158801AControl system of alternating current motorsTOKYO SHIBAURA ELECTRIC CO·Filed 1978·Granted Jun 19, 1979·20 cites·6 claims
- 1377US7157930B2Scan flip flop, semiconductor device, and production method of semiconductor deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jan 2, 2007·20 cites·15 claims
- 1476US10652823B2Wakeup receiverPANASONIC IP MAN CO LTD·Filed 2018·Granted May 12, 2020·2 cites·22 claims
- 1568US4818890ATurbine helper drive apparatusTOSHIBA KK·Filed 1987·Granted Apr 4, 1989·24 cites·16 claims
- 1667US7710191B2Enabling higher operation speed and/or lower power consumption in a semiconductor integrated circuit devicePANASONIC CORP·Filed 2007·Granted May 4, 2010·4 cites·12 claims
- 1766US4296367ASpeed control method for AC motors and an apparatus for the controlTOKYO SHIBAURA ELECTRIC CO·Filed 1978·Granted Oct 20, 1981·14 cites·7 claims
- 1865US4736148AAC motor control method and its control apparatusTOSHIBA KK·Filed 1986·Granted Apr 5, 1988·22 cites·8 claims
- 1961US6967866B2Semiconductor memory and semiconductor integrated circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Nov 22, 2005·12 cites·17 claims
- 2060US4771606AHelper drive apparatus for turbine drive systemTOSHIBA KK·Filed 1987·Granted Sep 20, 1988·17 cites·10 claims
- 2158US6853228B2Flip-flop circuitMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Feb 8, 2005·8 cites·10 claims
- 2255US7897397B2Cell fusion promoter and utilization of the sameKOWA CO·Filed 2005·Granted Mar 1, 2011·0 cites·8 claims
- 2354US2014044683A1Cell fusion promoter and utilization of the sameKITAKAZE MASAFUMI·Filed 2013·Application pending·0 cites
- 2453US2022200595A1Semiconductor deviceNUVOTON TECHNOLOGY CORP JAPAN·Filed 2022·Application pending·0 cites
- 2550US4721861ATurbine helper drive apparatusTOSHIBA KK·Filed 1986·Granted Jan 26, 1988·12 cites·15 claims
- 2650US4654572ALoad-commutated inverter for operating synchronous motorTOSHIBA KK·Filed 1985·Granted Mar 31, 1987·10 cites·13 claims
- 2750US2011110903A1Cell fusion promoter and utilization of the sameKOWA CO·Filed 2011·Application pending·0 cites
- 2849US4550281ASynchronous motor controlTOKYO SHIBAURA ELECTRIC CO·Filed 1983·Granted Oct 29, 1985·9 cites·20 claims
- 2947US2016206662A1Cell fusion promoter and utilization of the sameKITAKAZE MASAFUMI·Filed 2015·Application pending·0 cites
- 3046US2020315486A1Electroencephalogram measurement system, rehabilitation support system, method for controlling the electroencephalogram measurement system, program, and non-transitory storage mediumPANASONIC CORP·Filed 2018·Application pending·0 cites
- 3144US9121551B2Method for collecting droplet attached on external surface of needle into capillary tubePANASONIC CORP·Filed 2013·Granted Sep 1, 2015·0 cites·16 claims
- 3243US4633158AControl system for an AC motorTOSHIBA KK·Filed 1984·Granted Dec 30, 1986·10 cites·3 claims
- 3343US2010156450A1Enabling higher operation speed and/or lower power consumption in a semiconductor integrated circuit devicePANASONIC CORP·Filed 2010·Application pending·0 cites
- 3441US4268900ADevice for controlling a plurality of convertersHIRATA AKIO·Filed 1979·Granted May 19, 1981·6 cites·8 claims
- 3541US2007226671A1Apparatus and method of static timing analysis considering the within-die and die-to-die process variationHIRATA AKIO·Filed 2007·Application pending·0 cites
- 3635US2004155693A1Level shifter having automatic delay adjusting functionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Application pending·0 cites
- 3732US4441148APower converting device and a protection device for the sameTOKYO SHIBAURA ELECTRIC CO·Filed 1982·Granted Apr 3, 1984·3 cites·17 claims
- 3830US4496893AControlling device for a brushless motorTOKYO SHIBAURA ELECTRIC CO·Filed 1984·Granted Jan 29, 1985·3 cites·4 claims
- 3924US2008116953A1Flip-flop circuitHIRATA AKIO·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →