Inventor · disambiguated record
Koji Kawaguchi
Also filed as: KAWAGUCHI KOJI
71 granted patents·33 pending applications·823 citations·filing 1993–2024
99Inventor score
Top patents by PatentIndex Score
104 records- 0193US6794888B2Probe deviceTOKYO ELECTRON LTD·Filed 2002·Granted Sep 21, 2004·79 cites·6 claims
- 0286US6454966B1Fluorescent conversion filter and organic light emitting element including the sameFUJI ELECTRIC CO LTD·Filed 2000·Granted Sep 24, 2002·38 cites·24 claims
- 0385US6680286B1Detergent composition comprising a quaternary ammonium salt of a carboxyl containing polymerSANYO CHEMICAL IND LTD·Filed 2000·Granted Jan 20, 2004·26 cites·16 claims
- 0485US6309486B1Polychromatic organic electroluminescent device and method of manufacturing the sameFUJI ELECTRIC CO LTD·Filed 2000·Granted Oct 30, 2001·42 cites·1 claims
- 0584US8641290B2Tapered roller bearingKAWAGUCHI KOJI·Filed 2005·Granted Feb 4, 2014·12 cites·2 claims
- 0684US5435311AUltrasound therapeutic systemHITACHI LTD·Filed 1994·Granted Jul 25, 1995·309 cites·3 claims
- 0783US10440869B2Component mounting head and suction nozzle assembly to be used thereinFUJI CORP·Filed 2015·Granted Oct 8, 2019·4 cites·7 claims
- 0882US11922361B2Distribution systemFUJI CORP·Filed 2019·Granted Mar 5, 2024·2 cites·2 claims
- 0982US10090701B2Solar power generation systemFUJI ELECTRIC CO LTD·Filed 2015·Granted Oct 2, 2018·4 cites·7 claims
- 1081US7385386B2Transporting mechanism, movable probe card transporting apparatus using transporting mechanism, and proberTOKYO ELECTRON LTD·Filed 2005·Granted Jun 10, 2008·6 cites·7 claims
- 1180US6762616B2Probe systemTOKYO ELECTRON LTD·Filed 2002·Granted Jul 13, 2004·26 cites·6 claims
- 1280US6589672B1Blue color filter and organic electroluminescent device using sameFUJI ELECTRIC CO LTD·Filed 2000·Granted Jul 8, 2003·29 cites·12 claims
- 1379US7135816B2Color conversion filter and color conversion color display having the sameFUJI ELECTRIC CO LTD·Filed 2003·Granted Nov 14, 2006·21 cites·4 claims
- 1479US7092171B2Lens barrel with lock mechanismTAMRON KK·Filed 2005·Granted Aug 15, 2006·9 cites·5 claims
- 1578US9673625B2Uninterruptible power supply apparatusFUJI ELECTRIC CO LTD·Filed 2015·Granted Jun 6, 2017·3 cites·19 claims
- 1676US9832919B2Electronic circuit component mounting headFUJI MACHINE MFG·Filed 2012·Granted Nov 28, 2017·3 cites·3 claims
- 1776US2015208673A1Baked Lotus Root Cake, Solid Food Using Lotus Root Powder, and Methods for Manufacturing SameLOTUSWEETS CO LTD·Filed 2013·Application pending·0 cites
- 1874US10716250B2Component mounting apparatusFUJI CORP·Filed 2015·Granted Jul 14, 2020·2 cites·5 claims
- 1974US8525159B2Organic light emitting elementTERAO YUTAKA·Filed 2009·Granted Sep 3, 2013·5 cites·6 claims
- 2074US7728516B2Organic EL displayFUJI ELECTRIC HOLDINGS·Filed 2003·Granted Jun 1, 2010·20 cites·3 claims
- 2174US7473042B2Light-amount adjusting apparatusTAMRON KK·Filed 2005·Granted Jan 6, 2009·4 cites·29 claims
- 2274US2018000096A1Baked Lotus Root Cake, Solid Food Using Lotus Root Powder, and Methods for Manufacturing SameLOTUSWEETS CO LTD·Filed 2017·Application pending·0 cites
- 2373US10047534B2Method for modifying concrete slab on subsided groundUPCON CORP·Filed 2016·Granted Aug 14, 2018·3 cites·6 claims
- 2472US6818328B2Color conversion filter substrate, color conversion type multicolor organic EL display having the color conversion filter substrate, and methods of manufacturing theseFUJI ELECTRIC CO LTD·Filed 2003·Granted Nov 16, 2004·18 cites·17 claims
- 2570US9992919B2Electronic circuit component mounting systemFUJI MACHINE MFG·Filed 2013·Granted Jun 5, 2018·2 cites·10 claims
- 2668US8541777B2Color conversion film and multicolor-emitting, organic electroluminescent device comprising the color conversion filmHAMA TOSHIO·Filed 2009·Granted Sep 24, 2013·3 cites·20 claims
- 2767US7677809B2Tapered roller bearing, a tapered roller bearing assembly and a pinion-shaft supporting assembly using the sameJTEKT CORP·Filed 2005·Granted Mar 16, 2010·3 cites·13 claims
- 2867US7350978B2Taper roller bearingJTEKT CORP·Filed 2005·Granted Apr 1, 2008·3 cites·11 claims
- 2967US6956323B2Color conversion filter substrate and organic multicolor light emitting deviceFUJI ELECTRIC CO LTD·Filed 2003·Granted Oct 18, 2005·12 cites·5 claims
- 3065USD1030834SAutonomous mobile robotFUJI CORP·Filed 2022·Granted Jun 11, 2024·3 cites·1 claims
- 3165US6958618B2Transporting mechanism, movable probe card transporting apparatus using transporting mechanism, and proberTOKYO ELECTRON LTD·Filed 2003·Granted Oct 25, 2005·8 cites·8 claims
- 3264US11072895B2Method for correcting concrete slab tilting on subsided groundUPCON CORP·Filed 2017·Granted Jul 27, 2021·2 cites·4 claims
- 3364US7456570B2Organic EL display having color converting filtersFUJI ELECTRIC HOLDINGS·Filed 2003·Granted Nov 25, 2008·10 cites·15 claims
- 3463US8182350B2Sealing structure and spider jointMIZUNO KOICHIRO·Filed 2005·Granted May 22, 2012·3 cites·5 claims
- 3563US7141517B2Method of repairing and apparatus for repairing multi-color organic light-emitting display deviceFUJI ELECTRIC HOLDINGS·Filed 2004·Granted Nov 28, 2006·7 cites·7 claims
- 3663US2025118581A1Positional Relationship Detection SystemDAIFUKU KK·Filed 2024·Application pending·0 cites
- 3762US10506749B2Electronic component mounting systemETEL SA·Filed 2014·Granted Dec 10, 2019·2 cites·10 claims
- 3860US12378101B2Raising/lowering movement control system and raising/lowering movement control methodFUJI CORP·Filed 2021·Granted Aug 5, 2025·0 cites·8 claims
- 3960US9769969B2Electronic circuit component mounting headFUJI MACHINE MFG·Filed 2012·Granted Sep 19, 2017·1 cites·7 claims
- 4060US7580624B2Position detecting device and lens tubeTAMRON KK·Filed 2006·Granted Aug 25, 2009·2 cites·6 claims
- 4158US7381504B2Method and apparatus for manufacturing a color conversion filterFUJI ELECTRIC HOLDINGS·Filed 2004·Granted Jun 3, 2008·5 cites·31 claims
- 4258US7294439B2Color-converting filter and manufacturing methodFUJI ELECTRIC HOLDINGS·Filed 2004·Granted Nov 13, 2007·6 cites·6 claims
- 4358US7294965B2Color-conversion light-emitting device, method for manufacturing the same, and display using the sameFUJI ELECTRIC HOLDINGS·Filed 2003·Granted Nov 13, 2007·5 cites·15 claims
- 4457US9882379B2Power source systemFUJI ELECTRIC CO LTD·Filed 2015·Granted Jan 30, 2018·1 cites·15 claims
- 4557US5467120AThermal transfer recording method and apparatus of both sublimation type and fusion typeSEIKO INSTR INC·Filed 1993·Granted Nov 14, 1995·15 cites·8 claims
- 4656US12321885B2Physical distribution management system and physical distribution management methodFUJI CORP·Filed 2021·Granted Jun 3, 2025·0 cites·8 claims
- 4756US11329721B2Communication device, optical axis direction adjusting method, and communication systemTAMRON KK·Filed 2021·Granted May 10, 2022·0 cites·5 claims
- 4856US8847219B2Color conversion film and multicolor-emitting, organic electroluminescent device comprising the color conversion filmSHARP KABUSHIKI KAISA·Filed 2013·Granted Sep 30, 2014·0 cites·10 claims
- 4956US2024393799A1Delivery system, delivery method, and automatic transfer deviceFUJI CORP·Filed 2021·Application pending·0 cites
- 5056US2025029472A1Behavior monitoring system and power saving method thereofFUJI CORP·Filed 2021·Application pending·0 cites
Showing the top 50 of 104 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →