Inventor · disambiguated record
Keiji Ueda
Also filed as: UEDA KEIJI
23 granted patents·13 pending applications·115 citations·filing 1992–2022
94Inventor score
Top patents by PatentIndex Score
36 records- 0194US10626485B2Thin high-strength cold-rolled steel sheet and method of producing the sameJFE STEEL CORP·Filed 2016·Granted Apr 21, 2020·6 cites·8 claims
- 0294US7794643B2Apparatus and method for molding object with enhanced transferability of transfer face and object made by the sameRICOH KK·Filed 2007·Granted Sep 14, 2010·32 cites·12 claims
- 0391US9738957B2Wear resistant steel plate and manufacturing process thereforJFE STEEL CORP·Filed 2013·Granted Aug 22, 2017·5 cites·16 claims
- 0489US9938599B2Abrasion resistant steel plate or steel sheet excellent in resistance to stress corrosion cracking and method for manufacturing the sameUEDA KEIJI·Filed 2012·Granted Apr 10, 2018·4 cites·11 claims
- 0588US8425026B2Electromechanical transducer film and method for manufacturing electromechanical transducer filmMACHIDA OSAMU·Filed 2011·Granted Apr 23, 2013·5 cites·11 claims
- 0687US9879334B2Abrasion resistant steel plate or steel sheet excellent in resistance to stress corrosion cracking and method for manufacturing the sameUEDA KEIJI·Filed 2012·Granted Jan 30, 2018·6 cites·8 claims
- 0787US8727505B2Electromechanical transducer element, droplet discharge head, and droplet discharge deviceMIZUKAMI SATOSHI·Filed 2012·Granted May 20, 2014·5 cites·9 claims
- 0887US8690297B2Sol-gel liquid, electromechanical conversion element, liquid discharge head and inkjet recorderUEDA KEIJI·Filed 2010·Granted Apr 8, 2014·4 cites·6 claims
- 0982US9982331B2Abrasion resistant steel plate having excellent low-temperature toughness and excellent corrosive wear resistanceJFE STEEL CORP·Filed 2013·Granted May 29, 2018·2 cites·16 claims
- 1082US9196821B2Electromechanical transducer, droplet ejection head, and method for manufacturing electromechanical transducerAOYAMA TSUTOH·Filed 2014·Granted Nov 24, 2015·4 cites·6 claims
- 1180US8646180B2Method for producing electromechanical transducer, electromechanical transducer produced by the method, liquid-droplet jetting head, and liquid-droplet jetting apparatusAKIYAMA YOSHIKAZU·Filed 2010·Granted Feb 11, 2014·7 cites·10 claims
- 1273US7205500B2Non-consumable electrode welding torch and welding head with the torchBABCOCK HITACHI KK·Filed 2005·Granted Apr 17, 2007·5 cites·15 claims
- 1372US12383989B2TIG welding filler metal and method for producing weld joint using the sameJFE STEEL CORP·Filed 2021·Granted Aug 12, 2025·0 cites·14 claims
- 1472US8684493B2Droplet-discharging-head manufacturing apparatus, droplet-discharging-head manufacturing method, droplet discharging head, droplet discharging device, and printing apparatusTAJIMA YUKITOSHI·Filed 2012·Granted Apr 1, 2014·2 cites·13 claims
- 1567US12275247B2Liquid discharge head and liquid discharge apparatusMASUDA TOSHIAKI·Filed 2022·Granted Apr 15, 2025·0 cites·4 claims
- 1663US9834853B2PZT precursor solution, method for producing PZT precursor solution, method for producing PZT film, method for producing electromechanical transducer element, and method for producing liquid discharge headAKIYAMA YOSHIKAZU·Filed 2016·Granted Dec 5, 2017·0 cites·10 claims
- 1763US7232974B2All position automatic welding head and method for operating the sameBABCOCK HITACHI KK·Filed 2005·Granted Jun 19, 2007·2 cites·15 claims
- 1862US2025065432A1Submerged arc welding methodJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 1962US2024227088A9Tig welded jointJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 2058US2023211441A1Solid wire for gas metal arc weldingJFE STEEL CORP·Filed 2021·Application pending·0 cites
- 2157US12508808B2Liquid discharge head, liquid discharge device, and liquid discharge apparatusUEDA KEIJI·Filed 2022·Granted Dec 30, 2025·0 cites·14 claims
- 2257US12486558B2Steel and method of producing sameJFE STEEL CORP·Filed 2020·Granted Dec 2, 2025·0 cites·2 claims
- 2357US2024051070A1Submerged arc welded jointJFE STEEL CORP·Filed 2022·Application pending·0 cites
- 2455US11959157B2High-Mn steel and method of producing sameJFE STEEL CORP·Filed 2019·Granted Apr 16, 2024·0 cites·3 claims
- 2555US2024033861A1Submerged arc welding wire and method for producing weld joint using the sameJFE STEEL CORP·Filed 2021·Application pending·0 cites
- 2654US5316722ACorrosion resistant Ti-Cr-Ni alloy containing a platinum group metalKOBE STEEL LTD·Filed 1992·Granted May 31, 1994·10 cites·1 claims
- 2752US2015232971A1Abrasion resistant steel plate having excellent low-temperature toughness and excellent corrosive wear resistanceJFE STEEL CORP·Filed 2013·Application pending·0 cites
- 2850US5437835ACorrosion resistant Ti alloy containing Cu, Si, and a platinum group metalKOBE STEEL LTD·Filed 1994·Granted Aug 1, 1995·8 cites·1 claims
- 2950US2021323101A1Solid wire for gas metal arc weldingJFE STEEL CORP·Filed 2019·Application pending·0 cites
- 3047US2021164067A1High-mn steel and method for manufacturing sameJFE STEEL CORP·Filed 2018·Application pending·0 cites
- 3145US2013216422A1Abrasion resistant steel plate which exhibits excellent weld toughness and excellent delayed fracture resistanceUEDA KEIJI·Filed 2011·Application pending·0 cites
- 3243US2015007904A1Abrasion resistant welded steel pipe and method of producing the sameJFE STEEL CORP·Filed 2013·Application pending·0 cites
- 3342US2013206286A1Abrasion resistant steel plate which exhibits excellent weld toughness and excellent delayed fracture resistanceUEDA KEIJI·Filed 2011·Application pending·0 cites
- 3442US2017204492A1Cold-rolled steel sheet having excellent spot weldability, and manufacturing method thereforJFE STEEL CORP·Filed 2015·Application pending·0 cites
- 3537US5496651AMachine part resistant to rolling frictionKOBE STEEL LTD·Filed 1995·Granted Mar 5, 1996·8 cites·12 claims
- 3635US2015070444A1Piezoelectric actuator, fluid discharge head, and image forming deviceISHIMORI MASAHIRO·Filed 2014·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Keiji Ueda files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →