Inventor · disambiguated record
Yoshinori Tagawa
Also filed as: TAGAWA YOSHINORI
59 granted patents·4 pending applications·309 citations·filing 1990–2022
98Inventor score
Top patents by PatentIndex Score
63 records- 0197US7300596B2Method of manufacturing liquid discharge headCANON KK·Filed 2006·Granted Nov 27, 2007·39 cites·9 claims
- 0296US7287847B2Method of manufacturing ink jet recording head, ink jet recording head, and ink jet cartridgeCANON KK·Filed 2004·Granted Oct 30, 2007·59 cites·4 claims
- 0395US7523553B2Method of manufacturing ink jet recording headCANON KK·Filed 2007·Granted Apr 28, 2009·20 cites·5 claims
- 0493US7901064B2Ink jet recording head with ink filter formed of a plurality of stacked filmsCANON KK·Filed 2007·Granted Mar 8, 2011·18 cites·5 claims
- 0591US7862158B2Method of manufacturing ink jet recording head, ink jet cartridgeCANON KK·Filed 2007·Granted Jan 4, 2011·10 cites·4 claims
- 0687US8652767B2Liquid ejection head and process for producing the sameWATANABE MAKOTO·Filed 2012·Granted Feb 18, 2014·5 cites·4 claims
- 0787US8148049B2Ink jet recording head and manufacturing method of the sameMURAYAMA HIROYUKI·Filed 2007·Granted Apr 3, 2012·10 cites·8 claims
- 0883US8191260B2Liquid ejection head and manufacturing method thereofKATO MAKI·Filed 2009·Granted Jun 5, 2012·9 cites·3 claims
- 0983US8047632B2Ink jet recording headCANON KK·Filed 2009·Granted Nov 1, 2011·7 cites·9 claims
- 1083US7891784B2Liquid ejection head and method for manufacturing liquid ejection headCANON KK·Filed 2008·Granted Feb 22, 2011·6 cites·11 claims
- 1181US8128204B2Liquid ejection head and method for manufacturing liquid ejection headOZAKI NORIYASU·Filed 2011·Granted Mar 6, 2012·4 cites·3 claims
- 1280US8338195B2Method for manufacturing a liquid-ejection headSASAKI KOJI·Filed 2011·Granted Dec 25, 2012·3 cites·10 claims
- 1380US7753502B2Method of manufacturing ink jet recording head, ink jet recording head, and ink jet cartridgeCANON KK·Filed 2007·Granted Jul 13, 2010·4 cites·8 claims
- 1479US7930824B2Method of manufacturing ink jet recording headCANON KK·Filed 2009·Granted Apr 26, 2011·4 cites·7 claims
- 1578US9079405B2Liquid ejection head and method for manufacturing the sameCANON KK·Filed 2014·Granted Jul 14, 2015·2 cites·4 claims
- 1678US8888245B2Liquid ejection head having protected orifice plate and method for manufacturing liquid ejection headCANON KK·Filed 2013·Granted Nov 18, 2014·2 cites·20 claims
- 1778US8152276B2Liquid jet head, method for manufacturing liquid jet head, and method for forming structure for liquid jet headMURAYAMA HIROYUKI·Filed 2009·Granted Apr 10, 2012·5 cites·9 claims
- 1877US9162459B2Liquid ejection headCANON KK·Filed 2014·Granted Oct 20, 2015·2 cites·16 claims
- 1977US8037603B2Ink jet head and producing method thereforCANON KK·Filed 2007·Granted Oct 18, 2011·5 cites·10 claims
- 2076US8342659B2Liquid discharge head and method for manufacturing the sameCANON KK·Filed 2010·Granted Jan 1, 2013·4 cites·13 claims
- 2175US9132647B2Liquid ejection head and fabricating method thereforCANON KK·Filed 2014·Granted Sep 15, 2015·2 cites·10 claims
- 2274US8956703B2Method for manufacturing liquid ejecting headASAI KAZUHIRO·Filed 2012·Granted Feb 17, 2015·2 cites·10 claims
- 2374US8608303B2Ink jet recording headMURAYAMA HIROYUKI·Filed 2011·Granted Dec 17, 2013·2 cites·8 claims
- 2473US12172441B2Liquid discharge headCANON KK·Filed 2022·Granted Dec 24, 2024·0 cites·20 claims
- 2573US8388106B2Ink discharge head and manufacturing method thereofKUROSU TOSHIAKI·Filed 2010·Granted Mar 5, 2013·2 cites·9 claims
- 2672US6591500B1Method of manufacturing a liquid discharge headCANON KK·Filed 2000·Granted Jul 15, 2003·15 cites·9 claims
- 2771US8771792B2Method for manufacturing liquid discharge headASAI KAZUHIRO·Filed 2011·Granted Jul 8, 2014·2 cites·5 claims
- 2869US8613141B2Manufacturing method of liquid ejection headOKANO AKIHIKO·Filed 2008·Granted Dec 24, 2013·3 cites·17 claims
- 2969US8329047B2Method for producing liquid discharge headNAGAMI TADANOBU·Filed 2009·Granted Dec 11, 2012·4 cites·7 claims
- 3067US8968584B2Method for manufacturing liquid ejection headCANON KK·Filed 2013·Granted Mar 3, 2015·1 cites·7 claims
- 3167US8596759B2Liquid ejection head and method of manufacturing the sameCHIDA MITSURU·Filed 2011·Granted Dec 3, 2013·1 cites·6 claims
- 3267US8388099B2Ink jet recording headMURAYAMA HIROYUKI·Filed 2010·Granted Mar 5, 2013·1 cites·4 claims
- 3367US8286351B2Manufacturing method of liquid discharge headEDAMATSU KEIJI·Filed 2011·Granted Oct 16, 2012·4 cites·4 claims
- 3466US9555632B2Method of processing a silicon substrate and method of manufacturing a substrate for a liquid ejection headCANON KK·Filed 2016·Granted Jan 31, 2017·1 cites·16 claims
- 3565US8544997B2Liquid ejection head and manufacturing method thereofKUROSU TOSHIAKI·Filed 2012·Granted Oct 1, 2013·1 cites·3 claims
- 3665US5256976APower apparatus and method of location of a fault in a power apparatus on the basis of attenuation coefficients of electromagnetic coefficients of fault generated electromagnetic wavesHITACHI LTD·Filed 1991·Granted Oct 26, 1993·25 cites·32 claims
- 3757US8091233B2Method of manufacturing liquid discharge headYONEMOTO TAICHI·Filed 2008·Granted Jan 10, 2012·1 cites·8 claims
- 3857US7592131B2Method for producing fine structured member, method for producing fine hollow structured member and method for producing liquid discharge headCANON KK·Filed 2003·Granted Sep 22, 2009·7 cites·28 claims
- 3952US9023593B2Method of manufacturing liquid ejection headCANON KK·Filed 2014·Granted May 5, 2015·0 cites·6 claims
- 4050US8580483B2Method of making nozzle chipCANON KK·Filed 2012·Granted Nov 12, 2013·0 cites·3 claims
- 4149US9102149B2Liquid ejection headCANON KK·Filed 2014·Granted Aug 11, 2015·0 cites·8 claims
- 4249US8256878B2Substrate for ink ejection heads, ink ejection head, method of manufacturing substrate, and method of manufacturing ink ejection headIBE SATOSHI·Filed 2009·Granted Sep 4, 2012·0 cites·8 claims
- 4348US9174439B2Liquid ejection head and method for manufacturing liquid ejection headCANON KK·Filed 2013·Granted Nov 3, 2015·0 cites·7 claims
- 4448US8371680B2Substrate having protection layers for liquid-ejection head, liquid ejection head, method for manufacturing substrate for liquid-ejection head, and method for manufacturing liquid ejection headCANON KK·Filed 2010·Granted Feb 12, 2013·0 cites·15 claims
- 4547US9114614B2Liquid ejection headCANON KK·Filed 2014·Granted Aug 25, 2015·0 cites·7 claims
- 4647US8632163B2Liquid ejecting head and method for manufacturing the sameOHSUMI MASAKI·Filed 2012·Granted Jan 21, 2014·0 cites·4 claims
- 4745US8945957B2Method of manufacturing liquid ejection headCANON KK·Filed 2013·Granted Feb 3, 2015·0 cites·9 claims
- 4845US8220901B2Liquid discharge head and manufacturing method thereofTAKEUCHI SOUTA·Filed 2010·Granted Jul 17, 2012·0 cites·14 claims
- 4945US7735961B2Liquid discharge head and method of producing the sameCANON KK·Filed 2006·Granted Jun 15, 2010·0 cites·3 claims
- 5044US2009136875A1Manufacturing method of liquid ejection headCANON KK·Filed 2008·Application pending·0 cites
Showing the top 50 of 63 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →