Inventor · disambiguated record
Yoshikazu Akiyama
Also filed as: AKIYAMA YOSHIKAZU
31 granted patents·8 pending applications·430 citations·filing 1988–2017
97Inventor score
Top patents by PatentIndex Score
39 records- 0194US9950524B2PZT-film laminated structure, liquid discharge head, liquid discharge device, liquid discharge apparatus, and method of making PZT-film laminated structureSHINKAI MASARU·Filed 2016·Granted Apr 24, 2018·7 cites·7 claims
- 0293US8602530B2Ink-jet head and ink-jet recording apparatusMIZUKAMI SATOSHI·Filed 2012·Granted Dec 10, 2013·8 cites·7 claims
- 0393US8454133B2Inkjet head, inkjet recording apparatus, liquid droplet ejecting apparatus, and image forming apparatusMIZUKAMI SATOSHI·Filed 2012·Granted Jun 4, 2013·8 cites·17 claims
- 0493US7316964B2Active matrix substrate, a manufacturing method of the active matrix substrateRICOH KK·Filed 2005·Granted Jan 8, 2008·20 cites·16 claims
- 0590US9401471B2Electromechanical transducing device and manufacturing method thereof, and liquid droplet discharging head and liquid droplet discharging apparatusMIZUKAMI SATOSHI·Filed 2011·Granted Jul 26, 2016·8 cites·5 claims
- 0690US7422964B2Manufacturing method of the active matrix substrate, and an electro-optical apparatus having the active matrix substrateRICOH KK·Filed 2007·Granted Sep 9, 2008·15 cites·14 claims
- 0789US9595660B2Method of manufacturing electromechanical transducer, electromechanical transducer, droplet discharge head, droplet discharge apparatus, and image forming apparatusAKIYAMA YOSHIKAZU·Filed 2015·Granted Mar 14, 2017·4 cites·6 claims
- 0889US7765686B2Multilayer wiring structure and method of manufacturing the sameRICOH KK·Filed 2006·Granted Aug 3, 2010·19 cites·8 claims
- 0988US8425026B2Electromechanical transducer film and method for manufacturing electromechanical transducer filmMACHIDA OSAMU·Filed 2011·Granted Apr 23, 2013·5 cites·11 claims
- 1087US8727505B2Electromechanical transducer element, droplet discharge head, and droplet discharge deviceMIZUKAMI SATOSHI·Filed 2012·Granted May 20, 2014·5 cites·9 claims
- 1187US8690297B2Sol-gel liquid, electromechanical conversion element, liquid discharge head and inkjet recorderUEDA KEIJI·Filed 2010·Granted Apr 8, 2014·4 cites·6 claims
- 1287US7550554B2Aryl amine polymer, thin film transistor using the new aryl amine polymer, and method of manufacturing the thin film transistorRICOH KK·Filed 2006·Granted Jun 23, 2009·10 cites·21 claims
- 1387US5555219AFerroelectric material, and semiconductor memory, optical recording medium and micro-displacement control device using the ferroelectric materialRICOH KK·Filed 1993·Granted Sep 10, 1996·46 cites·6 claims
- 1486US8733906B2Electromechanical conversion element, liquid drop ejection head, liquid drop ejection device, and image forming apparatusMIZUKAMI SATOSHI·Filed 2012·Granted May 27, 2014·4 cites·12 claims
- 1586US6874898B2Thin film apparatus, a manufacturing method of the thin film apparatus, an active matrix substrate, a manufacturing method of the active matrix substrate, and an electro-optical apparatus having the active matrix substrateRICOH KK·Filed 2003·Granted Apr 5, 2005·30 cites·29 claims
- 1685US7166689B2Aryl amine polymer, thin film transistor using the aryl amine polymer, and method of manufacturing the thin film transistorRICOH KK·Filed 2004·Granted Jan 23, 2007·36 cites·22 claims
- 1785US5729262AInk jet head including phase transition material actuatorsRICOH KK·Filed 1994·Granted Mar 17, 1998·53 cites·20 claims
- 1881US8960866B2Electromechanical transducer element, liquid discharge head, liquid discharge device, and image forming apparatusMACHIDA OSAMU·Filed 2013·Granted Feb 24, 2015·3 cites·7 claims
- 1981US8919926B2Inkjet head and inkjet plotterMIZUKAMI SATOSHI·Filed 2012·Granted Dec 30, 2014·3 cites·16 claims
- 2081US7126153B2Organic transistorRICOH KK·Filed 2002·Granted Oct 24, 2006·29 cites·27 claims
- 2180US8646180B2Method 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
- 2279US7420204B2Organic transistorRICOH KK·Filed 2006·Granted Sep 2, 2008·5 cites·4 claims
- 2376US6721654B2Navigation system and memory medium storing the position data of the specific facilitiesTOYOTA MOTOR CO LTD·Filed 2001·Granted Apr 13, 2004·34 cites·14 claims
- 2472US5610853AFerroelectric material, and semiconductor memory, optical recording medium and micro-displacement control device using the ferroelectric materialRICOH KK·Filed 1996·Granted Mar 11, 1997·25 cites·16 claims
- 2570US9583270B2Complex oxide, thin-film capacitive element, liquid droplet discharge head, and method of producing complex oxideAKIYAMA YOSHIKAZU·Filed 2014·Granted Feb 28, 2017·2 cites·6 claims
- 2669US7816672B2Wiring pattern, electronic device, organic semiconductor device, layered wiring pattern, and layered wiring substrate using the wiring patternRICOH KK·Filed 2007·Granted Oct 19, 2010·3 cites·18 claims
- 2767US4883766AMethod of producing thin film transistorRICOH KK·Filed 1988·Granted Nov 28, 1989·36 cites·20 claims
- 2865US8833921B2Thin-film forming apparatus, thin-film forming method, piezoelectric-element forming method, droplet discharging head, and ink-jet recording apparatusKIHIRA TAKAKAZU·Filed 2011·Granted Sep 16, 2014·1 cites·20 claims
- 2965US2015145377A1Electronic device and manufacturing method of electronic deviceAKIYAMA YOSHIKAZU·Filed 2014·Application pending·0 cites
- 3063US9834853B2PZT 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
- 3153US2014340854A1Electronic device and method of manufacturing the electronic deviceAKIYAMA YOSHIKAZU·Filed 2014·Application pending·0 cites
- 3251US7999253B2Organic transistor and active matrix displayRICOH CO LTD·Filed 2007·Granted Aug 16, 2011·0 cites·11 claims
- 3350US2018040802A1Electronic device and manufacturing method of electronic deviceAKIYAMA YOSHIKAZU·Filed 2017·Application pending·0 cites
- 3449US2007048637A1Arylamine polymer and organic thin film transistorOKADA TAKASHI·Filed 2006·Application pending·0 cites
- 3547US2016221033A1Electronic device and method of manufacturing the electronic deviceAKIYAMA YOSHIKAZU·Filed 2016·Application pending·0 cites
- 3647US2012028075A1Thin film manufacturing method and thin-film elementYAGI MASAHIRO·Filed 2011·Application pending·0 cites
- 3744US8071432B2Organic transistor active substrate, manufacturing method thereof, and electrophoretic displayAKIYAMA YOSHIKAZU·Filed 2006·Granted Dec 6, 2011·0 cites·9 claims
- 3843US2007096088A1Organic transistor and display deviceTANO TAKANORI·Filed 2006·Application pending·0 cites
- 3932US2010302323A1Fluid discharge head and image forming apparatusYAGI MASAHIRO·Filed 2010·Application pending·0 cites
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