Inventor
FUJII TAKAFUMI
JP53 patents
⚠️ This page may combine multiple inventors who share the name “FUJII TAKAFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON KAYAKU KK
11 patentsUS7854797B2Dec 21, 2010
Porphyrazine coloring matter, ink, ink set, and colored product
NIPPON KAYAKU KK27 citations92
US7591888B2Sep 22, 2009
Porphyrazine coloring matter, ink, ink set and colored article
NIPPON KAYAKU KK37 citations92
US7015327B2Mar 21, 2006
Anthrapyridone compounds, water-base magenta ink compositions and method of ink-jet recording
NIPPON KAYAKU KK24 citations92
US6929361B2Aug 16, 2005
Anthrapyridone compounds, water-base magenta ink compositions and method of ink-jet recording
NIPPON KAYAKU KK37 citations92
US7585361B2Sep 8, 2009
Porphyrazine coloring matter, ink, ink set and colored product
NIPPON KAYAKU KK32 citations91
US7419537B2Sep 2, 2008
Phthalocyanine colorant and use thereof for ink-jet printing
NIPPON KAYAKU KK35 citations90
US7034149B2Apr 25, 2006
Cyan dye mixture, water-based cyan ink composition, and method of ink-jet recording
NIPPON KAYAKU KK26 citations89
US7297196B2Nov 20, 2007
Anthrapyridone compound, water-based magenta ink composition and inkjet recording method
NIPPON KAYAKU KK17 citations84
US7223301B2May 29, 2007
Anthrapyridone compound, water-based magenta ink composition and inkjet recording method
NIPPON KAYAKU KK15 citations84
US6645283B1Nov 11, 2003
Anthrapyridone compounds, water-based magenta ink composition, and method of ink-jet printing
NIPPON KAYAKU KK18 citations84
US7901497B2Mar 8, 2011
Water-soluble naphthalocyanine coloring matter and water-based ink containing the same
NIPPON KAYAKU KK2 citations61
NIPPON OXYGEN CO LTD
10 patentsUS6119889ASep 19, 2000
Transparent insulated container and manufacturing method therefor
NIPPON OXYGEN CO LTD86 citations95
US6371328B1Apr 16, 2002
Heat insulating container
NIPPON OXYGEN CO LTD33 citations92
US6152319ANov 28, 2000
Thermally insulated synthetic resin container and thermally insulated synthetic resin lid
NIPPON OXYGEN CO LTD35 citations92
US6036801AMar 14, 2000
Method for producing a thermally insulated double-walled synthetic resin container and lid
NIPPON OXYGEN CO LTD31 citations92
US6010027AJan 4, 2000
Thermally insulated synthetic resin container and thermally insulated synthetic resin lid
NIPPON OXYGEN CO LTD37 citations92
US5913445AJun 22, 1999
Insulated synthetic resin container and insulated synthetic resin lid
NIPPON OXYGEN CO LTD26 citations92
US5904264AMay 18, 1999
Thermally insulated double-walled synthetic resin container and thermally insulated double-walled synthetic resin lid
NIPPON OXYGEN CO LTD24 citations92
USD380124SJun 24, 1997
Insulating food container with lid
NIPPON OXYGEN CO LTD43 citations92
US6648168B2Nov 18, 2003
Insulated container
NIPPON OXYGEN CO LTD17 citations83
US6123218ASep 26, 2000
Construction for attaching a radiant heat blocking metal foil of an insulated container
NIPPON OXYGEN CO LTD12 citations73
KAWASAKI HEAVY IND LTD
7 patentsUS11781480B2Oct 10, 2023
Oil supply device of aircraft gas turbine
KAWASAKI HEAVY IND LTD0 citations61
US11852028B2Dec 26, 2023
Gas turbine engine
KAWASAKI HEAVY IND LTD1 citations59
US11732650B2Aug 22, 2023
Gas turbine engine
KAWASAKI HEAVY IND LTD0 citations50
US11746699B2Sep 5, 2023
Gas turbine engine
KAWASAKI HEAVY IND LTD0 citations47
US11713714B2Aug 1, 2023
Gas turbine engine
KAWASAKI HEAVY IND LTD0 citations44
US11840960B2Dec 12, 2023
Gas turbine engine
KAWASAKI HEAVY IND LTD0 citations43
US11732648B2Aug 22, 2023
Gas turbine engine
KAWASAKI HEAVY IND LTD0 citations42
HAPSMOBILE INC
6 patentsUS11784708B2Oct 10, 2023
Propagation path response estimation and interference canceling using spread-spectrum pilot signal in multi-feeder link of HAPS
HAPSMOBILE INC2 citations73
US11133858B2Sep 28, 2021
Feeder link communication system of HAPS
HAPSMOBILE INC2 citations73
US11764861B2Sep 19, 2023
Interference canceling in HAPS multi-feeder link
HAPSMOBILE INC0 citations52
US11683084B2Jun 20, 2023
Reverse-link interference canceling in HAPS multi-feeder link
HAPSMOBILE INC0 citations52
US11652537B2May 16, 2023
Interference canceling by fixed division of feeder link transmission band in multiple gateway HAPS system
HAPSMOBILE INC0 citations52
US11637625B2Apr 25, 2023
Interference canceling by variable division of feeder link transmission band in multiple-gateway HAPS system
HAPSMOBILE INC0 citations52
JTEKT CORP
6 patentsUS9531007B2Dec 27, 2016
Production apparatus and production method for electric storage material
JTEKT CORP3 citations71
US12046710B2Jul 23, 2024
Lithium ion secondary battery
JTEKT CORP0 citations49
US11501927B2Nov 15, 2022
Alkali metal ion capacitor
JTEKT CORP0 citations49
US10076855B2Sep 18, 2018
Apparatus and method for manufacturing an electricity storage material
JTEKT CORP1 citations48
US9825298B2Nov 21, 2017
Apparatus and method for manufacturing an electricity storage material
JTEKT CORP0 citations48
US10603887B2Mar 31, 2020
Apparatus for manufacturing multilayer electrode
JTEKT CORP0 citations42
SOFTBANK CORP
5 patentsUS11308814B2Apr 19, 2022
HAPS cooperative flight system
SOFTBANK CORP4 citations72
US12445190B2Oct 14, 2025
Dynamic propagation spatial correlation by changing position of HAPS-equipped antenna in HAPS multi-feeder links
SOFTBANK CORP0 citations62
US12542600B2Feb 3, 2026
Mitigation of degradation of interference-reduction performance in processing delay when switching antennas in HAPS multi-feeder links
SOFTBANK CORP0 citations52
US11973573B2Apr 30, 2024
Communication relay apparatus, system, interference suppression method and program
SOFTBANK CORP0 citations52
US12107436B1Oct 1, 2024
Wireless-power transfer apparatus, wireless-power transfer system, method and program
SOFTBANK CORP0 citations49
THERMOS KK
3 patentsUS6915917B2Jul 12, 2005
Heat insulating container and its manufacturing method
THERMOS KK22 citations91
US6809298B2Oct 26, 2004
Thermal insulation container with electric heater
THERMOS KK23 citations91
US7005167B2Feb 28, 2006
Heat insulating container and manufacture method therefor
THERMOS KK3 citations61
MITSUBISHI ELECTRIC CORP
2 patentsShowing the top 50 of 53 patents by PatentIndex Score.