Inventor · disambiguated record
Takafumi Fujii
Also filed as: FUJII TAKAFUMI
52 granted patents·19 pending applications·676 citations·filing 1995–2025
98Inventor score
Top patents by PatentIndex Score
71 records- 0196US7854797B2Porphyrazine coloring matter, ink, ink set, and colored productNIPPON KAYAKU KK·Filed 2008·Granted Dec 21, 2010·27 cites·25 claims
- 0296US7591888B2Porphyrazine coloring matter, ink, ink set and colored articleNIPPON KAYAKU KK·Filed 2007·Granted Sep 22, 2009·37 cites·21 claims
- 0396US7015327B2Anthrapyridone compounds, water-base magenta ink compositions and method of ink-jet recordingNIPPON KAYAKU KK·Filed 2005·Granted Mar 21, 2006·24 cites·1 claims
- 0494US7585361B2Porphyrazine coloring matter, ink, ink set and colored productNIPPON KAYAKU KK·Filed 2007·Granted Sep 8, 2009·32 cites·27 claims
- 0594US6929361B2Anthrapyridone compounds, water-base magenta ink compositions and method of ink-jet recordingNIPPON KAYAKU KK·Filed 2002·Granted Aug 16, 2005·37 cites·25 claims
- 0691US6119889ATransparent insulated container and manufacturing method thereforNIPPON OXYGEN CO LTD·Filed 1999·Granted Sep 19, 2000·86 cites·20 claims
- 0791USD380124SInsulating food container with lidNIPPON OXYGEN CO LTD·Filed 1995·Granted Jun 24, 1997·43 cites·1 claims
- 0889US7419537B2Phthalocyanine colorant and use thereof for ink-jet printingNIPPON KAYAKU KK·Filed 2004·Granted Sep 2, 2008·35 cites·23 claims
- 0985US7297196B2Anthrapyridone compound, water-based magenta ink composition and inkjet recording methodNIPPON KAYAKU KK·Filed 2004·Granted Nov 20, 2007·17 cites·23 claims
- 1084US11784708B2Propagation path response estimation and interference canceling using spread-spectrum pilot signal in multi-feeder link of HAPSHAPSMOBILE INC·Filed 2020·Granted Oct 10, 2023·2 cites·15 claims
- 1183US7034149B2Cyan dye mixture, water-based cyan ink composition, and method of ink-jet recordingNIPPON KAYAKU KK·Filed 2001·Granted Apr 25, 2006·26 cites·8 claims
- 1282US9531007B2Production apparatus and production method for electric storage materialJTEKT CORP·Filed 2014·Granted Dec 27, 2016·3 cites·8 claims
- 1381US11173570B2Metal-joining structure and method for manufacturing metal-joining structureMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Nov 16, 2021·1 cites·6 claims
- 1481US6371328B1Heat insulating containerNIPPON OXYGEN CO LTD·Filed 2000·Granted Apr 16, 2002·33 cites·1 claims
- 1579US11852028B2Gas turbine engineKAWASAKI HEAVY IND LTD·Filed 2021·Granted Dec 26, 2023·1 cites·4 claims
- 1678US7223301B2Anthrapyridone compound, water-based magenta ink composition and inkjet recording methodNIPPON KAYAKU KK·Filed 2004·Granted May 29, 2007·15 cites·20 claims
- 1776US11133858B2Feeder link communication system of HAPSHAPSMOBILE INC·Filed 2019·Granted Sep 28, 2021·2 cites·13 claims
- 1875US6645283B1Anthrapyridone compounds, water-based magenta ink composition, and method of ink-jet printingNIPPON KAYAKU KK·Filed 1999·Granted Nov 11, 2003·18 cites·20 claims
- 1974US7901497B2Water-soluble naphthalocyanine coloring matter and water-based ink containing the sameNIPPON KAYAKU KK·Filed 2008·Granted Mar 8, 2011·2 cites·10 claims
- 2073US6915917B2Heat insulating container and its manufacturing methodTHERMOS KK·Filed 2003·Granted Jul 12, 2005·22 cites·6 claims
- 2173US6809298B2Thermal insulation container with electric heaterTHERMOS KK·Filed 2003·Granted Oct 26, 2004·23 cites·6 claims
- 2272US11308814B2HAPS cooperative flight systemSOFTBANK CORP·Filed 2019·Granted Apr 19, 2022·4 cites·20 claims
- 2371US10076855B2Apparatus and method for manufacturing an electricity storage materialJTEKT CORP·Filed 2015·Granted Sep 18, 2018·1 cites·10 claims
- 2470US2025100450A1Video display system and work vehicleKUBOTA KK·Filed 2024·Application pending·0 cites
- 2569US6010027AThermally insulated synthetic resin container and thermally insulated synthetic resin lidNIPPON OXYGEN CO LTD·Filed 1997·Granted Jan 4, 2000·37 cites·15 claims
- 2669US5904264AThermally insulated double-walled synthetic resin container and thermally insulated double-walled synthetic resin lidNIPPON OXYGEN CO LTD·Filed 1996·Granted May 18, 1999·24 cites·15 claims
- 2768US6152319AThermally insulated synthetic resin container and thermally insulated synthetic resin lidNIPPON OXYGEN CO LTD·Filed 1997·Granted Nov 28, 2000·35 cites·6 claims
- 2868US2024341216A1Travel control system for agricultural machine capable of performing remotely-manipulated travelingKUBOTA KK·Filed 2024·Application pending·0 cites
- 2967US6648168B2Insulated containerNIPPON OXYGEN CO LTD·Filed 2001·Granted Nov 18, 2003·17 cites·6 claims
- 3066US6036801AMethod for producing a thermally insulated double-walled synthetic resin container and lidNIPPON OXYGEN CO LTD·Filed 1997·Granted Mar 14, 2000·31 cites·27 claims
- 3158US5913445AInsulated synthetic resin container and insulated synthetic resin lidNIPPON OXYGEN CO LTD·Filed 1997·Granted Jun 22, 1999·26 cites·12 claims
- 3258US2023390869A1Additive manufactured object and method of manufacturing additive manufactured objectMITSUBISHI ELECTRIC CORP·Filed 2021·Application pending·0 cites
- 3358US2024345603A1Travel control system for agricultural machine capable of performing remotely-manipulated travelingKUBOTA KK·Filed 2024·Application pending·0 cites
- 3457US11781480B2Oil supply device of aircraft gas turbineKAWASAKI HEAVY IND LTD·Filed 2019·Granted Oct 10, 2023·0 cites·7 claims
- 3556US12445190B2Dynamic propagation spatial correlation by changing position of HAPS-equipped antenna in HAPS multi-feeder linksSOFTBANK CORP·Filed 2021·Granted Oct 14, 2025·0 cites·14 claims
- 3655US2024383041A1Additive manufacturing apparatus and method for metal additive manufactured productsMITSUBISHI ELECTRIC CORP·Filed 2021·Application pending·0 cites
- 3754US12046710B2Lithium ion secondary batteryJTEKT CORP·Filed 2019·Granted Jul 23, 2024·0 cites·4 claims
- 3854US11433482B2Additive manufacturing apparatusMITSUBISHI ELECTRIC CORP·Filed 2019·Granted Sep 6, 2022·0 cites·5 claims
- 3954US9825298B2Apparatus and method for manufacturing an electricity storage materialJTEKT CORP·Filed 2014·Granted Nov 21, 2017·0 cites·8 claims
- 4053US2007045302A1Microwave overheating prevention containerTHERMOS KK·Filed 2006·Application pending·0 cites
- 4152US2022324057A1Additive manufacturing apparatus, additive manufacturing method, and storage mediumMITSUBISHI ELECTRIC CORP·Filed 2019·Application pending·0 cites
- 4251US11746699B2Gas turbine engineKAWASAKI HEAVY IND LTD·Filed 2020·Granted Sep 5, 2023·0 cites·6 claims
- 4351US2010126377A1Porphyrazine coloring matter and ink containing the sameNIPPON KAYAKU KK·Filed 2008·Application pending·0 cites
- 4451US2016108505A1Method for producing starting material for cuttingSHOWA DENKO KK·Filed 2014·Application pending·0 cites
- 4550US11973573B2Communication relay apparatus, system, interference suppression method and programSOFTBANK CORP·Filed 2022·Granted Apr 30, 2024·0 cites·20 claims
- 4650US11501927B2Alkali metal ion capacitorJTEKT CORP·Filed 2019·Granted Nov 15, 2022·0 cites·6 claims
- 4750US10603887B2Apparatus for manufacturing multilayer electrodeJTEKT CORP·Filed 2017·Granted Mar 31, 2020·0 cites·5 claims
- 4850US7005167B2Heat insulating container and manufacture method thereforTHERMOS KK·Filed 2003·Granted Feb 28, 2006·3 cites·6 claims
- 4950US2008190942A1Heat Insulated ContainerTHERMOS KK·Filed 2005·Application pending·0 cites
- 5050US2025228152A1Agricultural work vehicle and control systemKUBOTA KK·Filed 2025·Application pending·0 cites
Showing the top 50 of 71 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →