Inventor · disambiguated record
Katsuaki Tanaka
Also filed as: TANAKA KATSUAKI
53 granted patents·13 pending applications·702 citations·filing 1974–2022
98Inventor score
Top patents by PatentIndex Score
66 records- 0197US6411078B1Current sensor apparatusTDK CORP·Filed 2000·Granted Jun 25, 2002·132 cites·27 claims
- 0296US6323634B1Magnetic sensor apparatus, current sensor apparatus and magnetic sensor elementTDK CORP·Filed 2000·Granted Nov 27, 2001·103 cites·32 claims
- 0391US10817249B2Audio system control method, control terminal device, and information storage mediumYAMAHA CORP·Filed 2018·Granted Oct 27, 2020·11 cites·14 claims
- 0490US10567900B2Audio system, audio device, and audio device setting methodYAMAHA CORP·Filed 2017·Granted Feb 18, 2020·11 cites·12 claims
- 0590US10048692B2Vehicle travel systemHITACHI CONSTRUCTION MACH CO·Filed 2013·Granted Aug 14, 2018·14 cites·4 claims
- 0688US8862390B2Position adjustment assistance system for transportation machineSUGAWARA KAZUHIRO·Filed 2012·Granted Oct 14, 2014·16 cites·6 claims
- 0785US12240490B2Vehicle management systemHITACHI CONSTRUCTION MACH CO·Filed 2022·Granted Mar 4, 2025·1 cites·4 claims
- 0885US6873905B2Communications type navigation deviceOPNEXT JAPAN INC·Filed 2002·Granted Mar 29, 2005·63 cites·17 claims
- 0984US7383127B2Navigation apparatus for receiving delivered informationHITACHI LTD·Filed 2005·Granted Jun 3, 2008·16 cites·2 claims
- 1083US10356527B2Output control device, output control system, and output control methodYAMAHA CORP·Filed 2017·Granted Jul 16, 2019·4 cites·22 claims
- 1183US8260325B2Location estimation systemBANDO MIKIO·Filed 2011·Granted Sep 4, 2012·11 cites·6 claims
- 1281US7466565B2Switching power supply unit and voltage detection circuitTDK CORP·Filed 2006·Granted Dec 16, 2008·16 cites·10 claims
- 1381US7233862B2Information center for communications-type navigation deviceZANAVY INFORMATICS KK·Filed 2005·Granted Jun 19, 2007·14 cites·8 claims
- 1480US9672743B2Vehicle traffic control systemHITACHI CONSTRUCTION MACH CO·Filed 2013·Granted Jun 6, 2017·9 cites·4 claims
- 1579US6172882B1Partial resonance PWM converterTDK CORP·Filed 1999·Granted Jan 9, 2001·59 cites·14 claims
- 1678US10474424B2Control method, audio device, and information storage mediumYAMAHA CORP·Filed 2018·Granted Nov 12, 2019·4 cites·12 claims
- 1778US10209952B2Content reproduction device, content reproduction system, and control method for a content reproduction deviceYAMAHA CORP·Filed 2017·Granted Feb 19, 2019·2 cites·14 claims
- 1876US5095706AStart-up method of steam turbine plant and condenser employed for said methodTOSHIBA KK·Filed 1991·Granted Mar 17, 1992·38 cites·11 claims
- 1975US9418557B2Fleet operation management systemHITACHI CONSTRUCTION MACH CO·Filed 2013·Granted Aug 16, 2016·5 cites·11 claims
- 2072US8965687B2Navigation device having in-tunnel position estimation functionMATSUO SHIGERU·Filed 2011·Granted Feb 24, 2015·5 cites·6 claims
- 2171US7139663B2Terminal apparatus for downloading mapZANAVY INFORMATICS KK·Filed 2005·Granted Nov 21, 2006·5 cites·4 claims
- 2268US8548664B2Autonomic traveling apparatus for a vehicleUCHIDA TAKAYUKI·Filed 2010·Granted Oct 1, 2013·4 cites·6 claims
- 2367US7268664B2Remote control system, on-vehicle equipment and remote control methodHCX CORP·Filed 2002·Granted Sep 11, 2007·23 cites·6 claims
- 2467US6978208B2Information center for communications-type navigation deviceENDO YOSHINORI·Filed 2003·Granted Dec 20, 2005·17 cites·1 claims
- 2566US6853904B2Navigation systemHITACHI LTD·Filed 2003·Granted Feb 8, 2005·19 cites·14 claims
- 2665US6438004B1Power conversion apparatus utilizing soft switching resonant snubber circuitryTDK CORP·Filed 2001·Granted Aug 20, 2002·20 cites·26 claims
- 2764US10397698B2Audio device and method of controlling audio deviceYAMAHA CORP·Filed 2017·Granted Aug 27, 2019·1 cites·11 claims
- 2864US7049793B2Boost switching power supplyTDK CORP·Filed 2001·Granted May 23, 2006·18 cites·13 claims
- 2962US6353543B2Switching circuit of power conversion apparatusTDK CORP·Filed 2001·Granted Mar 5, 2002·16 cites·6 claims
- 3058US7610144B2Navigation apparatus and processing method of the sameZANAVY INFORMATICS KK·Filed 2006·Granted Oct 27, 2009·1 cites·12 claims
- 3157US10235658B2Maintenance management device for operating machineryHITACHI CONSTRUCTION MACH CO·Filed 2013·Granted Mar 19, 2019·1 cites·6 claims
- 3257US10200962B2Audio device, audio system, and synchronous reproduction methodYAMAHA CORP·Filed 2018·Granted Feb 5, 2019·0 cites·8 claims
- 3357US7493215B2Navigation system and output controlling method thereforZANAVY INFORMATICS KK·Filed 2007·Granted Feb 17, 2009·2 cites·5 claims
- 3456US6885938B2Terminal apparatus for downloading mapZANAVY INFORMATICS KK·Filed 2003·Granted Apr 26, 2005·7 cites·5 claims
- 3555US8589576B2Contents distributing system, client, server, contents distributing method, and contents reproducing methodTANAKA KATSUAKI·Filed 2005·Granted Nov 19, 2013·2 cites·23 claims
- 3653US7990822B2Sound recording/reproducing method and apparatusYAMAHA CORP·Filed 2003·Granted Aug 2, 2011·2 cites·12 claims
- 3752US10080207B2Audio device, audio system, and synchronous reproduction methodYAMAHA CORP·Filed 2017·Granted Sep 18, 2018·0 cites·5 claims
- 3852US6522109B2Power conversion apparatusTDK CORP·Filed 2002·Granted Feb 18, 2003·10 cites·2 claims
- 3948US11184215B2Control device, control target device, and processing method for display dataYAMAHA CORP·Filed 2019·Granted Nov 23, 2021·0 cites·20 claims
- 4047US8713580B2Information processing device and display control methodATARASHI YOSHITAKA·Filed 2006·Granted Apr 29, 2014·1 cites·15 claims
- 4146US9681230B2Acoustic system, output device, and acoustic system control methodYAMAHA CORP·Filed 2015·Granted Jun 13, 2017·0 cites·15 claims
- 4246US2009240429A1Method for route planning on a navigation system including points of interestZANAVY INFORMATICS KK·Filed 2008·Application pending·0 cites
- 4345US6208541B1PWM inverter apparatusTDK CORP·Filed 2000·Granted Mar 27, 2001·6 cites·5 claims
- 4445US2009082960A1Navigation system with enhanced display functionsZANAVY INFORMATICS KK·Filed 2007·Application pending·0 cites
- 4544US7769476B2Data reproducing system and data streaming systemYAMAHA CORP·Filed 2004·Granted Aug 3, 2010·0 cites·13 claims
- 4643US7557289B2Music delivering apparatus and music reproducing apparatusYAMAHA CORP·Filed 2005·Granted Jul 7, 2009·0 cites·4 claims
- 4743US2008077319A1Navigation System Using Intersection InformationZANAVY INFORMATICS KK·Filed 2006·Application pending·0 cites
- 4842US6414854B2Driving device and method of switching element in power conversion apparatus using current-controlled semiconductor switching elementTDK CORP·Filed 2001·Granted Jul 2, 2002·5 cites·13 claims
- 4942US3956686ACompensating circuit for a cold junction of a thermocoupleIWATSU ELECTRIC CO LTD·Filed 1974·Granted May 11, 1976·4 cites·5 claims
- 5042US2012290178A1Loading guide systemSUZUKI HIDEAKI·Filed 2011·Application pending·0 cites
Showing the top 50 of 66 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →