Inventor · disambiguated record
Yoshio Sato
Also filed as: IIOKA MICHIHIRO · SATO YOSHIO · YOSHIKAWA NORIAKI
95 granted patents·10 pending applications·2,131 citations·filing 1976–2020
99Inventor score
Top patents by PatentIndex Score
105 records- 0197US5533329AControl apparatus for and control method of gas turbineHITACHI LTD·Filed 1994·Granted Jul 9, 1996·118 cites·13 claims
- 0296US6603228B1Driving unit of a welding equipmentOBARA CORP·Filed 2000·Granted Aug 5, 2003·62 cites·9 claims
- 0394US6223971B1Driving unit of a welding equipmentOBARA CORP·Filed 2000·Granted May 1, 2001·72 cites·20 claims
- 0494US4319320ASystem and method for adaptive control of processHITACHI LTD·Filed 1979·Granted Mar 9, 1982·67 cites·15 claims
- 0593US9641152B2Acoustic wave deviceTAIYO YUDEN KK·Filed 2015·Granted May 2, 2017·10 cites·14 claims
- 0693US5142173ABearing structureEBARA CORP·Filed 1990·Granted Aug 25, 1992·73 cites·10 claims
- 0793US4622922ACombustion control methodHITACHI LTD·Filed 1985·Granted Nov 18, 1986·80 cites·19 claims
- 0892US10355668B2Acoustic wave deviceTAIYO YUDEN KK·Filed 2015·Granted Jul 16, 2019·9 cites·13 claims
- 0991US4773060AOptical information recording deviceHITACHI LTD·Filed 1985·Granted Sep 20, 1988·44 cites·16 claims
- 1090US4978187AOptical element, optical disc and rotary encoder with the optical elementHITACHI LTD·Filed 1989·Granted Dec 18, 1990·41 cites·22 claims
- 1189US5311494AOptical disk apparatus and optical headHITACHI LTD·Filed 1991·Granted May 10, 1994·48 cites·11 claims
- 1289US4937808AIntergrated optical head with flexible substrate portionHITACHI LTD·Filed 1988·Granted Jun 26, 1990·40 cites·6 claims
- 1389US4577270APlant control methodHITACHI LTD·Filed 1984·Granted Mar 18, 1986·58 cites·19 claims
- 1488US4528918AMethod of controlling combustionHITACHI LTD·Filed 1984·Granted Jul 16, 1985·48 cites·15 claims
- 1588US4228359ARotor-stress preestimating turbine control systemHITACHI LTD·Filed 1978·Granted Oct 14, 1980·48 cites·29 claims
- 1688US4214301ADiagnostic device for use with automatic control systemsHITACHI LTD·Filed 1978·Granted Jul 22, 1980·50 cites·3 claims
- 1787US6890436B2Porous hollow fiber membranes and method of making the sameKURARAY CO·Filed 2001·Granted May 10, 2005·67 cites·32 claims
- 1887US5223758ASpindle motorEBARA CORP·Filed 1991·Granted Jun 29, 1993·50 cites·9 claims
- 1987US4860050ADeveloping replenisher material for use in image forming deviceRICOH KK·Filed 1987·Granted Aug 22, 1989·33 cites·52 claims
- 2086US4841514AOptical recording method and apparatus using two fight spotsHITACHI LTD·Filed 1986·Granted Jun 20, 1989·35 cites·13 claims
- 2184US6029047ACable telephony terminal device having a call line selectorFURUKAWA ELECTRIC CO LTD·Filed 1997·Granted Feb 22, 2000·113 cites·7 claims
- 2284US4998033AGas dynamic bearing for spindle motorEBARA CORP·Filed 1990·Granted Mar 5, 1991·63 cites·28 claims
- 2384US4163121ARadio channel control system for mobile radio telephone systemsNIPPON ELECTRIC CO·Filed 1977·Granted Jul 31, 1979·23 cites·20 claims
- 2483US5572502AOptical disk apparatusHITACHI LTD·Filed 1994·Granted Nov 5, 1996·38 cites·10 claims
- 2583US4811328AOptical recording and reproducing deviceHITACHI LTD·Filed 1985·Granted Mar 7, 1989·30 cites·16 claims
- 2682US5177717AOptical memory medium and its information recording and erasing method and apparatusHITACHI LTD·Filed 1991·Granted Jan 5, 1993·32 cites·40 claims
- 2782US5089732ASpindle motorEBARA CORP·Filed 1990·Granted Feb 18, 1992·43 cites·13 claims
- 2882US4308429AMobile telephone channel exchange systemNIPPON ELECTRIC CO·Filed 1979·Granted Dec 29, 1981·30 cites·1 claims
- 2977US4718053AOptical information apparatus and method of recording and erasing informationHITACHI LTD·Filed 1985·Granted Jan 5, 1988·23 cites·21 claims
- 3076US5475656AOptical disk memory and information processing apparatusHITACHI LTD·Filed 1991·Granted Dec 12, 1995·25 cites·23 claims
- 3176US4808313ALiquid separation membrane for pervaporationAGENCY IND SCIENCE TECHN·Filed 1987·Granted Feb 28, 1989·32 cites·3 claims
- 3275US8253305B2Drive unit of pressure deviceSATO YOSHIO·Filed 2010·Granted Aug 28, 2012·4 cites·3 claims
- 3375US5371730AOptical memory and information processing apparatusHITACHI LTD·Filed 1990·Granted Dec 6, 1994·23 cites·23 claims
- 3474US4969829ASurface mounted connector having a securing tabAMP INC·Filed 1989·Granted Nov 13, 1990·33 cites·6 claims
- 3572US10086845B2Vehicle information display control device, and method for displaying automatic driving informationMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Oct 2, 2018·3 cites·8 claims
- 3672US6992878B2Tunable capacitor and method of fabricating the sameFUJITSU MEDIA DEVICES LTD·Filed 2003·Granted Jan 31, 2006·18 cites·30 claims
- 3772US5317556AInformation processing apparatus and optical head incorporated thereinHITACHI LTD·Filed 1990·Granted May 31, 1994·21 cites·29 claims
- 3872US4985147ALiquid separation membrane for pervaporationAGENCY IND SCIENCE TECHN·Filed 1988·Granted Jan 15, 1991·25 cites·6 claims
- 3971US6718837B2Driving unit for pressure application shaft in a welding apparatusOBARA CORP·Filed 2003·Granted Apr 13, 2004·12 cites·16 claims
- 4069US4764913ASignal processing apparatus for disc memory devicesHITACHI LTD·Filed 1986·Granted Aug 16, 1988·17 cites·6 claims
- 4168US8018339B2Intruder detection systemMITSUBISHI ELECTRIC CORP·Filed 2008·Granted Sep 13, 2011·6 cites·6 claims
- 4268US7675416B2Intruder detection deviceMITSUBISHI ELECTRIC CORP·Filed 2006·Granted Mar 9, 2010·5 cites·14 claims
- 4368US5049458AFuel cellNIPPON KOKAN KK·Filed 1989·Granted Sep 17, 1991·32 cites·18 claims
- 4468US4121424AMethod of starting up turbinesHITACHI LTD·Filed 1977·Granted Oct 24, 1978·23 cites·36 claims
- 4567US7802713B2Friction stir spot joining deviceKAWASAKI HEAVY IND LTD·Filed 2008·Granted Sep 28, 2010·2 cites·2 claims
- 4667US7383976B2Friction stir spot joining deviceOBARA CORP·Filed 2005·Granted Jun 10, 2008·2 cites·4 claims
- 4767USD348252SHeat-radiating fin for a heat sinkNEC CORP·Filed 1992·Granted Jun 28, 1994·15 cites·1 claims
- 4867US4912395ATestable LSI device incorporating latch/shift registers and method of testing the sameHITACHI LTD·Filed 1988·Granted Mar 27, 1990·26 cites·4 claims
- 4965US7422140B2Friction stir spot joining deviceOBARA CORP·Filed 2005·Granted Sep 9, 2008·1 cites·4 claims
- 5064US7322509B2Friction stir spot joining deviceOBARA CORP·Filed 2005·Granted Jan 29, 2008·4 cites·8 claims
Showing the top 50 of 105 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →